Add missing #include.

* lib/stdlib/mbstowcs.c: Add missing #include.

build-aux/bootstrap.sh.in

@@ -81,3 +81,15 @@ for c in $mes_SOURCES; do
 done
 echo "CCLD       src/mes"
 $CC -nostdlib -o src/mes -L mescc-lib mescc-lib/crt1.o $objects -lc
+
+(
+    mkdir -p gcc-lib
+    cp config.sh gcc-lib
+    cd gcc-lib
+    compiler=gcc
+    if test -z "$srcdest"; then
+        srcdest=../
+        srcdir=../
+    fi
+    @SHELL@ ${srcdest}build-aux/build-source-lib.sh
+)

build-aux/build-lib.sh

@@ -79,26 +79,3 @@ cp libgetopt.a $mes_cpu-mes
 if test -e libgetopt.s; then
     cp libgetopt.s $mes_cpu-mes
 fi
-
-cp ${srcdest}lib/$mes_kernel/$mes_cpu-mes-$compiler/crt*.c $mes_cpu-mes
-
-rm -f libc+gnu.c
-cat > libc+gnu.c <<EOF
-// Generated from Mes -- do not edit
-// compiler: $compiler
-// cpu:      $mes_cpu
-// bits:     $mes_bits
-// libc:     $mes_libc
-// kernel:   $mes_kernel
-// system:   $mes_system
-
-EOF
-for c in $libc_gnu_SOURCES; do
-    echo "// $c" >> libc+gnu.c
-    cat ${srcdest}$c >> libc+gnu.c
-    echo >> libc+gnu.c
-done
-cp libc+gnu.c $mes_cpu-mes
-
-cp ${srcdest}lib/libtcc1.c $mes_cpu-mes
-cp ${srcdest}lib/posix/getopt.c $mes_cpu-mes/libgetopt.c

build-aux/build-source-lib.sh

@@ -0,0 +1,53 @@
+#! /bin/sh
+
+# GNU Mes --- Maxwell Equations of Software
+# Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+#
+# This file is part of GNU Mes.
+#
+# GNU Mes is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GNU Mes is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+
+set -e
+
+if test "$V" = 2; then
+    set -x
+fi
+
+set -u
+srcdest=${srcdest-}
+. ${srcdest}build-aux/configure-lib.sh
+
+mkdir -p $mes_cpu-mes
+cp ${srcdest}lib/$mes_kernel/$mes_cpu-mes-$compiler/crt*.c $mes_cpu-mes
+
+rm -f libc+gnu.c
+cat > libc+gnu.c <<EOF
+// Generated from Mes -- do not edit
+// compiler: $compiler
+// cpu:      $mes_cpu
+// bits:     $mes_bits
+// libc:     $mes_libc
+// kernel:   $mes_kernel
+// system:   $mes_system
+
+EOF
+for c in $libc_gnu_SOURCES; do
+    echo "// $c" >> libc+gnu.c
+    cat ${srcdest}$c >> libc+gnu.c
+    echo >> libc+gnu.c
+done
+cp libc+gnu.c $mes_cpu-mes
+
+cp ${srcdest}lib/libtcc1.c $mes_cpu-mes
+cp ${srcdest}lib/posix/getopt.c $mes_cpu-mes/libgetopt.c

build-aux/build.sh.in

@@ -87,15 +87,15 @@ export CPPFLAGS
 export LDFLAGS
 export LIBS
 
-if test $compiler = gcc; then
-    (
-        mkdir -p gcc-lib
-        cp config.sh gcc-lib
-        cd gcc-lib
-        if test -z "$srcdest"; then
-            srcdest=../
-            srcdir=../
-        fi
+(
+    mkdir -p gcc-lib
+    cp config.sh gcc-lib
+    cd gcc-lib
+    if test -z "$srcdest"; then
+        srcdest=../
+        srcdir=../
+    fi
+    if test $compiler = gcc; then
         CPPFLAGS="
 -D HAVE_CONFIG_H=1
 -I include
@@ -104,8 +104,9 @@ if test $compiler = gcc; then
 "
         ${SHELL} ${srcdest}build-aux/build-lib.sh
         cp crt1.o ..
-    )
-fi
+    fi
+    compiler=gcc ${SHELL} ${srcdest}build-aux/build-source-lib.sh
+)
 
 (
     if test $compiler = gcc; then
@@ -145,4 +146,5 @@ fi
     AR="${srcdest}pre-inst-env mesar"
     CC="${srcdest}pre-inst-env mescc -m $mes_bits"
     ${SHELL} ${srcdest}build-aux/build-lib.sh
+    ${SHELL} ${srcdest}build-aux/build-source-lib.sh
 )

build-aux/check-mescc.sh

@@ -200,12 +200,17 @@ if test -z "$bootstrap"; then
     TESTS="$TESTS
 lib/tests/dirent/90-readdir.c
 lib/tests/io/90-stat.c
+lib/tests/mes/90-abtod.c
+lib/tests/mes/90-dtoab.c
+lib/tests/posix/90-execlp.c
 lib/tests/posix/90-unsetenv.c
 lib/tests/signal/90-signal.c
 lib/tests/stdio/90-fopen.c
 lib/tests/stdio/90-fopen-append.c
 lib/tests/stdio/90-fread-fwrite.c
 lib/tests/stdio/90-fseek.c
+lib/tests/stdio/90-sprintf.c
+lib/tests/stdio/90-sscanf.c
 lib/tests/stdlib/90-strtol.c
 lib/tests/string/90-snprintf.c
 lib/tests/string/90-strpbrk.c
@@ -222,7 +227,7 @@ lib/tests/scaffold/a1-global-no-clobber.c
 fi
 
 XFAIL_TESTS="
-lib/tests/stdio/90-sprintf.c
+lib/tests/mes/90-abtod.c
 lib/tests/stdio/90-sprintf.c
 "
 
@@ -232,6 +237,7 @@ lib/tests/scaffold/17-compare-unsigned-char-le.c
 lib/tests/scaffold/17-compare-unsigned-short-le.c
 lib/tests/scaffold/66-local-char-array.c
 lib/tests/scaffold/72-typedef-struct-def-local.c
+lib/tests/mes/90-dtoab.c
 lib/tests/scaffold/90-goto-var.c
 lib/tests/scaffold/91-goto-array.c
 "
@@ -248,11 +254,6 @@ lib/tests/scaffold/a0-call-trunc-int.c
     fi
 fi
 
-if test $mes_cpu = x86; then
-    XFAIL_TESTS="$XFAIL_TESTS
-"
-fi
-
 if test $mes_cpu = x86_64; then
     XFAIL_TESTS="$XFAIL_TESTS
 lib/tests/stdio/70-printf-stdarg.c
@@ -261,6 +262,8 @@ fi
 
 if test $compiler = gcc; then
     XFAIL_TESTS="$XFAIL_TESTS
+lib/tests/mes/90-abtod.c
+lib/tests/mes/90-dtoab.c
 "
 
     if test $mes_cpu = x86; then
@@ -278,6 +281,7 @@ lib/tests/stdio/80-sscanf.c
 lib/tests/mes/90-abtod.c
 lib/tests/posix/90-execlp.c
 lib/tests/string/90-snprintf.c
+lib/tests/stdio/90-sscanf.c
 "
     fi
 fi

build-aux/configure-lib.sh

@@ -86,6 +86,8 @@ lib/linux/lseek.c
     fi
 else
     libmes_SOURCES="$libmes_SOURCES
+lib/mes/abtod.c
+lib/mes/dtoab.c
 "
 fi
 
@@ -156,6 +158,8 @@ lib/ctype/islower.c
 lib/ctype/isupper.c
 lib/ctype/tolower.c
 lib/ctype/toupper.c
+lib/mes/abtod.c
+lib/mes/dtoab.c
 lib/mes/search-path.c
 lib/posix/execvp.c
 lib/stdio/fclose.c
@@ -180,6 +184,7 @@ lib/stdio/vsprintf.c
 lib/stdio/vsscanf.c
 lib/stdlib/calloc.c
 lib/stdlib/qsort.c
+lib/stdlib/strtod.c
 lib/stdlib/strtof.c
 lib/stdlib/strtol.c
 lib/stdlib/strtold.c
@@ -199,7 +204,6 @@ lib/stub/ldexp.c
 lib/stub/mprotect.c
 lib/stub/localtime.c
 lib/stub/sigemptyset.c
-lib/stub/strtod.c
 lib/$mes_cpu-mes-$compiler/setjmp.c
 "
 
@@ -217,16 +221,21 @@ lib/ctype/isalnum.c
 lib/ctype/isalpha.c
 lib/ctype/isascii.c
 lib/ctype/iscntrl.c
+lib/ctype/isgraph.c
 lib/ctype/isprint.c
 lib/ctype/ispunct.c
 lib/dirent/__getdirentries.c
 lib/dirent/closedir.c
 lib/dirent/opendir.c
 lib/dirent/readdir.c
+lib/math/ceil.c
 lib/math/fabs.c
+lib/math/floor.c
+lib/math/labs.c
 lib/mes/fdgets.c
 lib/posix/alarm.c
 lib/posix/execl.c
+lib/posix/execlp.c
 lib/posix/mktemp.c
 lib/posix/raise.c
 lib/posix/sbrk.c
@@ -237,12 +246,16 @@ lib/stdio/feof.c
 lib/stdio/fgets.c
 lib/stdio/fileno.c
 lib/stdio/freopen.c
+lib/stdio/fscanf.c
 lib/stdio/perror.c
+lib/stdio/rewind.c
+lib/stdio/vfscanf.c
 lib/stdlib/__exit.c
 lib/stdlib/abort.c
 lib/stdlib/abs.c
 lib/stdlib/alloca.c
 lib/stdlib/atexit.c
+lib/stdlib/atof.c
 lib/stdlib/atol.c
 lib/stdlib/mbstowcs.c
 lib/string/bcmp.c
@@ -256,27 +269,43 @@ lib/string/strerror.c
 lib/string/strncat.c
 lib/string/strpbrk.c
 lib/string/strspn.c
+lib/string/strtok.c
 lib/stub/__cleanup.c
+lib/stub/asctime.c
+lib/stub/atan2.c
 lib/stub/bsearch.c
 lib/stub/chown.c
+lib/stub/cos.c
 lib/stub/ctime.c
+lib/stub/exp.c
 lib/stub/fpurge.c
 lib/stub/freadahead.c
 lib/stub/frexp.c
+lib/stub/getgrgid.c
+lib/stub/getgrnam.c
 lib/stub/getlogin.c
+lib/stub/getpgid.c
+lib/stub/getpgrp.c
 lib/stub/getpwnam.c
 lib/stub/getpwuid.c
 lib/stub/gmtime.c
+lib/stub/log.c
+lib/stub/mktime.c
+lib/stub/modf.c
 lib/stub/pclose.c
 lib/stub/popen.c
+lib/stub/pow.c
 lib/stub/rand.c
 lib/stub/setbuf.c
+lib/stub/setgrent.c
 lib/stub/setlocale.c
 lib/stub/setvbuf.c
 lib/stub/sigaddset.c
 lib/stub/sigblock.c
 lib/stub/sigdelset.c
 lib/stub/sigsetmask.c
+lib/stub/sin.c
+lib/stub/sqrt.c
 lib/stub/strftime.c
 lib/stub/sys_siglist.c
 lib/stub/system.c
@@ -303,14 +332,19 @@ lib/linux/kill.c
 lib/linux/link.c
 lib/linux/lstat.c
 lib/linux/mkdir.c
+lib/linux/mknod.c
+lib/linux/mmap.c
+lib/linux/munmap.c
 lib/linux/nanosleep.c
 lib/linux/pipe.c
+lib/linux/readlink.c
 lib/linux/rename.c
 lib/linux/setgid.c
 lib/linux/settimer.c
 lib/linux/setuid.c
 lib/linux/signal.c
 lib/linux/sigprogmask.c
+lib/linux/symlink.c
 "
 fi
 

build-aux/install.sh.in

@@ -77,13 +77,15 @@ else
     cp $_v ChangeLog ${DESTDIR}${docdir}
 fi
 
+if test -f module/mescc.go; then
+    __exclude_go=--exclude='*.go'
+    __exclude_scm=--exclude='*.scm'
+fi
 mkdir -p $DESTDIR$libdir
 mkdir -p $DESTDIR$pkgdatadir
-# rm -f $(find lib -type f -a -executable)
-# rm -f $(find scaffold -type f -a -executable)
 tar -cf- -C ${srcdir} include lib/$mes_cpu-mes | tar -${v}xf- -C $DESTDIR$prefix
 if test -z "$srcdest"; then
-    tar -cf- --exclude='*.go' module | tar -${v}xf- -C $DESTDIR$pkgdatadir
+    tar -cf- $__exclude_go module | tar -${v}xf- -C $DESTDIR$pkgdatadir
 else
     tar -cf- -C ${srcdest} module | tar -${v}xf- -C $DESTDIR$pkgdatadir
 fi
@@ -97,8 +99,8 @@ fi
 
 mkdir -p ${DESTDIR}${guile_site_dir}
 mkdir -p ${DESTDIR}${guile_site_ccache_dir}
-tar -cf- -C ${srcdest}module --exclude='*.go' . | tar -${v}xf- -C ${DESTDIR}${guile_site_dir}
-tar -cf- -C module --exclude='*.scm' . | tar -${v}xf- -C ${DESTDIR}${guile_site_ccache_dir}
+tar -cf- -C ${srcdest}module $__exclude_go . | tar -${v}xf- -C ${DESTDIR}${guile_site_dir}
+tar -cf- -C module $__exclude_scm . | tar -${v}xf- -C ${DESTDIR}${guile_site_ccache_dir}
 
 if test -f doc/mes.info; then
     mkdir -p ${DESTDIR}${infodir}

configure.sh

@@ -25,8 +25,8 @@ srcdir=${srcdir-$(dirname $0)}
 . ${srcdest}build-aux/trace.sh
 
 # parse --with-system-libc
-cmdline=$(echo " $@")
-p=${cmdline/ --with-system-libc/}
+cmdline=$(echo "$@")
+p=$(echo $cmdline | sed s,--with-system-libc,,)
 if test "$p" != "$cmdline"; then
     mes_libc=${mes_libc-system}
 else
@@ -35,7 +35,7 @@ fi
 
 # parse --with-courage
 cmdline=$(echo " $@")
-p=${cmdline/ --with-courage/}
+p=$(echo $cmdline | sed s,--with-courage,,)
 if test "$p" != "$cmdline"; then
     courageous=true
 else
@@ -43,44 +43,40 @@ else
 fi
 
 # parse --prefix=PREFIX
-p=${cmdline/ --prefix=/ -prefix=}
+p=$(echo $cmdline | sed s,.*--prefix=,-prefix=,)
 if test "$p" != "$cmdline"; then
-    p=${p##* -prefix=}
-    p=${p% *}
-    p=${p% -*}
+    p=$(echo $p | sed s,.*-prefix=,,)
+    p=$(echo $p | sed 's, .*,,')
     prefix=${p-/usr/local}
 else
     prefix=${prefix-/usr/local}
 fi
 
 # parse --build=BUILD
-p=${cmdline/ --build=/ -build=}
+p=$(echo $cmdline | sed s,.*--build=,-build=,)
 if [ "$p" != "$cmdline" ]; then
-    p=${p##* -build=}
-    p=${p% *}
-    p=${p% -*}
+    p=$(echo $p | sed s,.*-build=,,)
+    p=$(echo $p | sed 's, .*,,')
     build=${p-$build}
 else
     build=$build
 fi
 
 # parse --host=HOST
-p=${cmdline/ --host=/ -host=}
+p=$(echo $cmdline | sed s,.*--host=,-host=,)
 if [ "$p" != "$cmdline" ]; then
-    p=${p##* -host=}
-    p=${p% *}
-    p=${p% -*}
+    p=$(echo $p | sed s,.*-host=,,)
+    p=$(echo $p | sed 's, .*,,')
     host=${p-$build}
 elif test -n "$build"; then
     host=${host-$build}
 fi
 
 # parse --program-prefix=
-p=${cmdline/ --program-prefix=/ -program-prefix=}
+p=$(echo $cmdline | sed s,.*--program-prefix=,-program-prefix=,)
 if test "$p" != "$cmdline"; then
-    p=${p##* -program-prefix=}
-    p=${p% *}
-    p=${p% -*}
+    p=$(echo $p | sed s,.*-program-prefix=,,)
+    p=$(echo $p | sed 's, .*,,')
     program_prefix=$p
 fi
 

doc/announce/ANNOUNCE-0.20

@@ -7,7 +7,9 @@ We are pleased to announce the release of GNU Mes 0.20, representing
 147 commits over 38 weeks.
 
 Mes has now brought the Reduced Binary Seed bootstrap to Guix (bootstrap
-a GNU/Linux system without binary GNU toolchain or equivalent).
+a GNU/Linux system without binary GNU toolchain or equivalent).  It
+should land in Guix master any day now: a big thank you to everyone who
+helped, notably Ludovic and Mark.
 
 This release is a step towards the upcoming Scheme-only bootstrap and
 bringing Mes into NixOS and Debian.  This effort is now sponsored by
@@ -67,8 +69,8 @@ Packages are available in Guix master.
 
   Here are the MD5 and SHA1 checksums:
 
-  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx  mes-0.20.tar.gz
-  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx  mes-0.20.tar.gz
+  df839a83e4a2ad6c2a4accc5bf17b1a7  mes-0.20.tar.gz
+  38d4cb3fa28fa1f5fc57fea9e046d4d8052bbb8c  mes-0.20.tar.gz
 
   [*] Use a .sig file to verify that the corresponding file (without the
   .sig suffix) is intact.  First, be sure to download both the .sig file
@@ -83,6 +85,11 @@ Packages are available in Guix master.
 
   and rerun the 'gpg --verify' command.
 
+* Get informed, get involved
+
+  See https://bootstrappable.org
+  Join #bootstrappable on irc.freenode.net.
+
 * Changes in 0.20 since 0.19
  ** Core
  *** The build system has been simplified, again.
@@ -108,6 +115,9 @@ Packages are available in Guix master.
  *** string->number now support #x hex-prefix.
  *** ungetc now has a buffer per file handle.
 
+Greetings,
+janneke and Danny.
+
 [0] https://www.gnu.org/software/mes
 [1] http://joyofsource.com/reduced-binary-seed-bootstrap.html
 [2] https://www.gnu.org/software/guix

guix/git/mes.scm

@@ -131,7 +131,7 @@ extensive examples, including parsers for the Javascript and C99 languages.")
                 (uri (string-append
                       "https://ftp.gnu.org/pub/gnu/mes/mes-" version ".tar.gz"))
                 (sha256
-                 (base32 #!mes!# "06qkwkahcpzk5v4qydpvcvzm7lx8g8pflc48f9l7bpjz6hl5lk4s"))))
+                 (base32 #!mes!# "04pajp8v31na34ls4730ig5f6miiplhdvkmsb9ls1b8bbmw2vb4n"))))
       (build-system gnu-build-system)
       (supported-systems '("i686-linux" "x86_64-linux"))
       (propagated-inputs

include/ctype.h

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -35,6 +35,7 @@ int isalpha (int c);
 int isascii (int c);
 int iscntrl (int c);
 int isdigit (int c);
+int isgraph (int c);
 int islower (int c);
 int isnumber (int c, int base);
 int isprint (int c);

include/errno.h

@@ -38,14 +38,16 @@ int errno;
 #define ENOENT   2
 #define EINTR    4
 #define EIO      5
+#define ENXIO    6
 #define E2BIG    7
-#define	ENOEXEC  8
+#define ENOEXEC  8
 #define EBADF    9
 #define	ECHILD  10
 #define EAGAIN  11
 #define ENOMEM  12
 #define EACCES  13
 #define EEXIST  17
+#define EXDEV   18
 #define ENOTDIR 20
 #define EISDIR  21
 #define EINVAL  22

include/fcntl.h

@@ -48,6 +48,7 @@
 #define F_GETFL 3
 #define F_SETFL 4
 
+#define creat(file_name, mode) open (file_name, O_WRONLY | O_CREAT | O_TRUNC, mode)
 int dup (int old);
 int dup2 (int old, int new);
 int fcntl (int filedes, int command, ...);

include/float.h

@@ -29,6 +29,19 @@
 #define DBL_MIN_EXP -1021
 #define LDBL_MIN_EXP -1021
 
+// gcc-4.6
+#define DBL_EPSILON 1
+#define DBL_MANT_DIG 1
+#define DBL_MAX INT_MAX
+#define DBL_MIN INT_MIN
+
+#define FLT_RADIX 10
+
+#define LDBL_EPSILON 1
+#define LDBL_MANT_DIG 1
+#define LDBL_MAX INT_MAX
+#define LDBL_MIN INT_MIN
+
 #endif // ! SYSTEM_LIBC
 
 #endif // __MES_FLOAT_H

include/linux/x86/syscall.h

@@ -83,4 +83,13 @@
 // make+POSIX
 #define SYS_sigprocmask 0x7e
 
+// tar
+#define SYS_symlink   0x53
+#define SYS_readlink  0x55
+#define SYS_mknod     0x0e
+
+// gcc-4.6.4
+#define SYS_mmap      0x5a
+#define SYS_munmap    0x5b
+
 #endif // __MES_LINUX_X86_SYSCALL_H

include/linux/x86_64/syscall.h

@@ -80,4 +80,13 @@
 // make+SYSTEM_LIBC
 #define SYS_rt_sigprocmask 0x0e
 
+// tar
+#define SYS_symlink   0x58
+#define SYS_readlink  0x59
+#define SYS_mknod     0x85
+
+// gcc-4.6.4
+#define SYS_mmap      0x09
+#define SYS_munmap    0x0b
+
 #endif // __MES_LINUX_X86_64_SYSCALL_H

include/math.h

@@ -24,8 +24,21 @@
 #undef __MES_MATH_H
 #include_next <math.h>
 #else // ! SYSTEM_LIBC
+
+double atan2 (double y, double x);
+double ceil (double x);
+double cos (double x);
+double exp (double x);
 double fabs (double number);
+double floor (double x);
+long int labs (long int number);
 double ldexp (double value, int exponent);
+double log (double x);
+double modf (double value, double *integer_part);
+double pow (double base, double power);
+double sin (double x);
+double sqrt (double x);
+
 #endif // ! SYSTEM_LIBC
 
 #endif // __MES_MATH_H

include/mes/lib.h

@@ -28,7 +28,9 @@ void __ungetc_init ();
 void __ungetc_clear (int filedes);
 void __ungetc_set (int filedes, int c);
 int __ungetc_p (int filedes);
+double abtod (char const **p, int base);
 long abtol (char const **p, int base);
+char *dtoab (double number, int base, int signed_p);
 char *itoa (int number);
 char *ltoa (long number);
 char *ltoab (long x, int base);

include/stdarg.h

@@ -34,11 +34,14 @@
 typedef char *va_list;
 #define va_start(ap, last) (void)((ap) = (char*)(&(last) + 1))
 #define va_arg(ap, type) (type)(((long*)((ap) = ((ap) + sizeof (void*))))[-1])
+#define va_align(ap, alignment) ((char*)((((unsigned long) (ap)) + (alignment) - 1) &~ ((alignment) - 1)))
+#define va_arg8(ap, type) (type)(((double*)((ap) = (va_align((ap), 8) + sizeof(double))))[-1])
 #define va_end(ap) (void)((ap) = 0)
 #define va_copy(dest, src) dest = src
 
 int vexec (char const *file_name, va_list ap);
 int vfprintf (FILE * stream, char const *template, va_list ap);
+int vfscanf (FILE * stream, char const *template, va_list ap);
 int vprintf (char const *format, va_list ap);
 int vsprintf (char *str, char const *format, va_list ap);
 int vsnprintf (char *str, size_t size, char const *format, va_list ap);

include/stdint.h

@@ -85,6 +85,12 @@ typedef unsigned uintmax_t;
 
 #define INT_MIN -2147483648
 #define INT_MAX 2147483647
+
+#define SHRT_MAX INT16_MAX
+#define SHRT_MIN INT16_MIN
+#define USHRT_MAX UINT16_MAX
+#define USHRT_MIN UINT16_MIN
+
 #if __i386__
 #define LONG_MIN INT_MIN
 #define LONG_MAX INT_MAX
@@ -103,6 +109,8 @@ typedef unsigned uintmax_t;
 #define SIZE_MAX UINT64_MAX
 #endif
 
+#define SSIZE_MAX LONG_MAX
+
 #endif // ! SYSTEM_LIBC
 
 #endif // __MES_STDINT_H

include/stdio.h

@@ -69,6 +69,7 @@ int fprintf (FILE * stream, char const *format, ...);
 int fpurge (FILE * stream);
 int fputc (int c, FILE * stream);
 int fputs (char const *s, FILE * stream);
+int fscanf (FILE * stream, char const *template, ...);
 int fseek (FILE * stream, long offset, int whence);
 int getc (FILE * stream);
 int getchar (void);
@@ -78,10 +79,11 @@ int putc (int c, FILE * stream);
 int putchar (int c);
 int puts (char const *s);
 int remove (char const *file_name);
+void rewind (FILE * stream);
 int setvbuf (FILE * stream, char *buf, int mode, size_t size);
 int snprintf (char *str, size_t size, char const *format, ...);
 int sprintf (char *str, char const *format, ...);
-int sscanf (char const *str, const char *format, ...);
+int sscanf (char const *str, char const *format, ...);
 int ungetc (int c, FILE * stream);
 long ftell (FILE * stream);
 size_t fread (void *ptr, size_t size, size_t count, FILE * stream);

include/stdlib.h

@@ -36,6 +36,7 @@ typedef int (*comparison_fn_t) (void const *, void const *);
 #include <sys/types.h>
 #include <alloca.h>
 
+void abort (void);
 double atof (char const *s);
 int atoi (char const *s);
 int atexit (void (*function) (void));

include/string.h

@@ -48,6 +48,7 @@ char *strncpy (char *to, char const *from, size_t size);
 int strncmp (char const *, char const *, size_t);
 char *strrchr (char const *s, int c);
 char *strstr (char const *haystack, char const *needle);
+char *strtok (char *new_string, char const *delimiters);
 char *strlwr (char *string);
 char *strupr (char *string);
 

include/sys/mman.h

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -25,19 +25,25 @@
 #include_next <sys/mman.h>
 #else // ! SYSTEM_LIBC
 
-#ifndef __MES_SIZE_T
-#define __MES_SIZE_T
-typedef unsigned long size_t;
-#endif
+#include <sys/types.h>
+
+#define MAP_SHARED    0x01
+#define MAP_PRIVATE   0x02
+#define MAP_ANONYMOUS 0x20
+#define MAP_POPULATE  0x08000
+
+#define MAP_ANON MAP_ANONYMOUS
+#define MAP_FAILED ((void*)-1)
 
 #define PROT_NONE 0
 #define PROT_READ 1
 #define PROT_WRITE 2
 #define PROT_EXEC 4
 
+void *mmap (void *address, size_t length, int protect, int flags, int filedes, off_t offset);
 int mprotect (void *addr, size_t len, int prot);
+int munmap (void *addr, size_t length);
 
 #endif // ! SYSTEM_LIBC
 
 #endif // __MES_SYS_MMAN_H
-

include/sys/stat.h

@@ -85,10 +85,12 @@ struct stat
 int chmod (char const *file_name, mode_t mode);
 int fstat (int filedes, struct stat *buf);
 int mkdir (char const *file_name, mode_t mode);
+int mknod (char const *file_name, mode_t mode, dev_t dev);
 int chown (char const *file_name, uid_t owner, gid_t group);
 int rmdir (char const *file_name);
 int stat (char const *file_name, struct stat *buf);
 
+#define S_IFIFO 0010000
 #define S_IFCHR 0020000
 #define S_IFDIR 0040000
 #define S_IFBLK 0060000
@@ -96,6 +98,7 @@ int stat (char const *file_name, struct stat *buf);
 #define S_IFLNK 0120000
 #define S_IFMT  0170000
 
+#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
 

include/sys/types.h

@@ -138,6 +138,15 @@ typedef long ssize_t;
 typedef unsigned uid_t;
 #endif
 
+#ifndef __WCHAR_T
+#define __WCHAR_T
+#ifndef __MES_WCHAR_T
+#define __MES_WCHAR_T
+#undef wchar_t
+typedef int wchar_t;
+#endif
+#endif
+
 #endif // ! SYSTEM_LIBC
 
 #endif // __MES_SYS_TYPES_H

include/termio.h

@@ -49,6 +49,14 @@
 #define   CS8	0000060
 #define PARENB	0000400
 
+struct winsize
+{
+  unsigned short ws_row;
+  unsigned short ws_col;
+  unsigned short ws_xpixel;
+  unsigned short ws_ypixel;
+};
+
 struct termio
 {
   unsigned short c_iflag;

include/time.h

@@ -56,9 +56,11 @@ struct timespec
 #endif // __MES_STRUCT_TIMESPEC
 
 #define CLOCK_PROCESS_CPUTIME_ID 2
+char *asctime (struct tm const *broken_time);
 int clock_gettime (clockid_t clk_id, struct timespec *tp);
 struct tm *localtime (time_t const *timep);
 struct tm *gmtime (time_t const *time);
+time_t mktime (struct tm *broken_time);
 int nanosleep (struct timespec const *requested_time, struct timespec const *remaining);
 time_t time (time_t * tloc);
 

include/unistd.h

@@ -62,6 +62,7 @@ unsigned int alarm (unsigned int seconds);
 int close (int fd);
 int execv (char const *file_name, char *const argv[]);
 int execl (char const *file_name, char const *arg, ...);
+int execlp (char const *file_name, char const *arg, ...);
 int execve (char const *file, char *const argv[], char *const env[]);
 int execvp (char const *file, char *const argv[]);
 int fork (void);
@@ -73,21 +74,24 @@ int setgid (gid_t newgid);
 int setuid (uid_t newuid);
 uid_t geteuid (void);
 gid_t getegid (void);
+pid_t getpgrp (void);
 pid_t getpid (void);
 pid_t getppid (void);
+int getpgid (pid_t pid);
 int isatty (int fd);
-int link (char const *oldname, char const *newname);
+int link (char const *old_name, char const *new_name);
 off_t lseek (int fd, off_t offset, int whence);
 ssize_t read (int fd, void *buffer, size_t size);
+ssize_t readlink (char const *file_name, char *buffer, size_t size);
 #if __SBRK_CHAR_PTRDIFF
 /* xmalloc in binutils <= 2.10.1 uses this old prototype */
 char *sbrk (ptrdiff_t delta);
 #else
 void *sbrk (intptr_t delta);
 #endif
+int symlink (char const *old_name, char const *new_name);
 int unlink (char const *file_name);
 ssize_t write (int filedes, void const *buffer, size_t size);
-pid_t getpid (void);
 
 #endif // ! SYSTEM_LIBC
 

lib/ctype/isgraph.c

@@ -0,0 +1,27 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <ctype.h>
+
+int
+isgraph (int c)
+{
+  return c > 32 && c < 127;
+}

lib/linux/mknod.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/syscall.h>
+#include <syscall.h>
+#include <sys/stat.h>
+
+int
+mknod (char const *file_name, mode_t mode, dev_t dev)
+{
+  return _sys_call3 (SYS_mknod, (long) file_name, (long) mode, (long) dev);
+}

lib/linux/mmap.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/syscall.h>
+#include <syscall.h>
+#include <sys/mman.h>
+
+void *
+mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
+{
+  return (void *)_sys_call6 (SYS_mmap, (long) addr, (long) len, (int) prot, (int) flags, (int) fd, (long) offset);
+}

lib/linux/munmap.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/syscall.h>
+#include <syscall.h>
+#include <sys/mman.h>
+
+int
+munmap (void *addr, size_t length)
+{
+  return _sys_call2 (SYS_munmap, (long) addr, (long) length);
+}

lib/linux/readlink.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/syscall.h>
+#include <syscall.h>
+#include <sys/stat.h>
+
+ssize_t
+readlink (char const *file_name, char *buffer, size_t size)
+{
+  return _sys_call3 (SYS_readlink, (long) file_name, (long) buffer, (long) size);
+}

lib/linux/symlink.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/syscall.h>
+#include <syscall.h>
+#include <unistd.h>
+
+int
+symlink (char const *old_name, char const *new_name)
+{
+  return _sys_call2 (SYS_symlink, (long) old_name, (long) new_name);
+}

lib/linux/x86-mes-gcc/syscall.c

@@ -141,3 +141,20 @@ _sys_call4 (long sys_call, long one, long two, long three, long four)
     errno = 0;
   return r;
 }
+
+long
+_sys_call6 (long sys_call, long one, long two, long three, long four, long five, long six)
+{
+  long r;
+  asm (
+       "mov    %1,%%eax\n\t"
+       "mov    %%ebp,%%ebx\n\t"
+       "add    $0x0c,%%ebx\n\t"
+       "int    $0x80\n\t"
+       "mov    %%eax,%0\n\t"
+       : "=r" (r)
+       : "rm" (sys_call)
+       : "eax", "ebx"
+       );
+  return r;
+}

lib/linux/x86-mes-mescc/syscall.c

@@ -66,6 +66,15 @@ __sys_call4 (int sys_call, int one, int two, int three, int four)
   asm ("int____$0x80");
 }
 
+int
+__sys_call6 (int sys_call, int one, int two, int three, int four, int five, int six)
+{
+  asm ("mov____0x8(%ebp),%eax !0x08");
+  asm ("mov____%ebp,%ebx");
+  asm ("add____$i8,%ebx !0x0c");
+  asm ("int____$0x80");
+}
+
 int
 _sys_call (int sys_call)
 {
@@ -135,3 +144,9 @@ _sys_call4 (int sys_call, int one, int two, int three, int four)
     errno = 0;
   return r;
 }
+
+int
+_sys_call6 (int sys_call, int one, int two, int three, int four, int five, int six)
+{
+  return __sys_call6 (sys_call, one, two, three, four, five, six);
+}

lib/linux/x86_64-mes-gcc/syscall.c

@@ -150,3 +150,26 @@ _sys_call4 (long sys_call, long one, long two, long three, long four)
     errno = 0;
   return r;
 }
+
+long
+_sys_call6 (long sys_call, long one, long two, long three, long four, long five, long six)
+{
+  long r;
+  asm (
+       "mov     %2,%%rdi\n\t"
+       "mov     %3,%%rsi\n\t"
+       "mov     %4,%%rdx\n\t"
+       "mov     %5,%%r10\n\t"
+       "mov     %6,%%r8\n\t"
+       "mov     %7,%%r9\n\t"
+       "mov     %1,%%rax\n\t"
+  //      );
+  // asm (
+       "syscall \n\t"
+       "mov     %%rax,%0\n\t"
+       : "=r" (r)
+       : "rm" (sys_call), "rm" (one), "rm" (two), "rm" (three), "rm" (four), "rm" (five), "rm" (six)
+       : "rax", "rdi", "rsi", "rdx", "r10", "r8", "r9"
+       );
+  return r;
+}

lib/linux/x86_64-mes-mescc/syscall.c

@@ -23,7 +23,7 @@
 
 long
 //__sys_call (long one, long two, long three, long four)
-__sys_call (long sys_call, long one, long two, long three, long four)
+__sys_call (long sys_call, long one, long two, long three, long four, long five, long six)
 {
 #if 1                           // !MES_CCAMD64
   // asm ("mov____0x8(%rbp),%rdi !0x10");
@@ -37,6 +37,8 @@ __sys_call (long sys_call, long one, long two, long three, long four)
   asm ("mov____0x8(%rbp),%rsi !0x20");
   asm ("mov____0x8(%rbp),%rdx !0x28");
   asm ("mov____0x8(%rbp),%r10 !0x30");
+  asm ("mov____0x8(%rbp),%r8  !0x38");
+  asm ("mov____0x8(%rbp),%r9  !0x40");
 #endif
 
   asm ("syscall");
@@ -121,3 +123,12 @@ _sys_call4 (long sys_call, long one, long two, long three, long four)
     errno = 0;
   return r;
 }
+
+long
+_sys_call6 (long sys_call, long one, long two, long three, long four, long five, long six)
+{
+  // long rax = sys_call;
+  // long r = __sys_call6 (one, two, three, four, five, six);
+  long r = __sys_call (sys_call, one, two, three, four, five, six);
+  return r;
+}

lib/math/ceil.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <math.h>
+
+double
+ceil (double number)
+{
+  long i = number + 0.9999;
+  number = i;
+  return number;
+}

lib/math/fabs.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -18,7 +18,7 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-//#include <math.h>
+#include <math.h>
 
 double
 fabs (double number)

lib/math/floor.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <math.h>
+
+double
+floor (double number)
+{
+  long i = number;
+  number = i;
+  return number;
+}

lib/math/labs.c

@@ -0,0 +1,29 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <math.h>
+
+long int
+labs (long int number)
+{
+  if (number < 0)
+    return -number;
+  return number;
+}

lib/mes/abtod.c

@@ -0,0 +1,53 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+
+double
+abtod (char const **p, int base)
+{
+  char const *s = *p;
+  double d = 0;
+  int sign_p = 0;
+  if (!base)
+    base = 10;
+  double dbase = base;
+  long i = abtol (&s, base);
+  long f = 0;
+  long e = 0;
+  if (*s == '.')
+    {
+      s++;
+      f = abtol (&s, base);
+    }
+  if (*s == 'e')
+    {
+      s++;
+      e = abtol (&s, base);
+    }
+  d = i + f / dbase;
+  if (e < 0)
+    while (e++)
+      d = d / dbase;
+  while (e--)
+    d = d * dbase;
+  *p = s;
+  return sign_p ? -d : d;
+}

lib/mes/abtol.c

@@ -26,12 +26,16 @@ abtol (char const **p, int base)
 {
   char const *s = *p;
   int i = 0;
-  int sign = 1;
+  int sign_p = 0;
   if (!base)
     base = 10;
+  while (isspace (*s))
+    s++;
+  if (*s && *s == '+')
+    s++;
   if (*s && *s == '-')
     {
-      sign = -1;
+      sign_p = 1;
       s++;
     }
   while (isnumber (*s, base))
@@ -42,5 +46,5 @@ abtol (char const **p, int base)
       s++;
     }
   *p = s;
-  return i * sign;
+  return sign_p ? -i : i;
 }

lib/mes/dtoab.c

@@ -0,0 +1,46 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <limits.h>
+#include <string.h>
+
+char *
+dtoab (double d, int base, int signed_p)
+{
+  static char dtoa_buf[40];
+  long i = (long) d;
+  char *p = ntoab (i, base, signed_p);
+  strcpy (dtoa_buf, p);
+  long f = (d - (double) i) * (double) 100000000;
+  if (f)
+    {
+      if (f < 0)
+        f = -f;
+      strcat (dtoa_buf, ".");
+      p = ntoab (f, base, 1);
+      strcat (dtoa_buf, p);
+      p = strchr (dtoa_buf, 0);
+      p--;
+      while (*p && *p == '0')
+        *p-- = 0;
+    }
+  return dtoa_buf;
+}

lib/posix/execl.c

@@ -23,22 +23,13 @@
 #include <unistd.h>
 
 int
-execl (char const *file_name, char const *arg, ...)
+vexec (char const *file_name, va_list ap)
 {
-  if (__mes_debug () > 2)
-    {
-      eputs ("execl ");
-      eputs (file_name);
-      eputs ("\n");
-    }
+  char *arg = va_arg (ap, char *);
   char *argv[1000];             // POSIX minimum 4096
   int i = 0;
 
-  va_list ap;
-  va_start (ap, arg);
-
-  argv[i++] = (char *)file_name;
-  arg = va_arg (ap, char const *);
+  argv[i++] = (char *) file_name;
   while (arg)
     {
       argv[i++] = arg;
@@ -57,3 +48,20 @@ execl (char const *file_name, char const *arg, ...)
   va_end (ap);
   return r;
 }
+
+int
+execl (char const *file_name, char const *arg, ...)
+{
+  va_list ap;
+  int r;
+  va_start (ap, arg);
+  if (__mes_debug () > 2)
+    {
+      eputs ("execl ");
+      eputs (file_name);
+      eputs ("\n");
+    }
+  r = vexec (file_name, ap);
+  va_end (ap);
+  return r;
+}

lib/posix/execlp.c

@@ -0,0 +1,47 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+#include <stdarg.h>
+
+int
+execlp (char const *file_name, char const *arg, ...)
+{
+  va_list ap;
+  int r;
+  va_start (ap, arg);
+  if (file_name[0] != '/')
+    file_name = search_path (file_name);
+  if (__mes_debug () > 2)
+    {
+      eputs ("execlp ");
+      eputs (file_name ? file_name : "0");
+      eputs ("\n");
+    }
+  if (!file_name)
+    {
+      errno = ENOENT;
+      return -1;
+    }
+  r = vexec (file_name, ap);
+  va_end (ap);
+  return r;
+}

lib/stdio/fflush.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -25,5 +25,8 @@
 int
 fflush (FILE * stream)
 {
-  fsync ((long) stream);
+  int filedes = (long) stream;
+  if (filedes < 3)
+    return 0;
+  return fsync (filedes);
 }

lib/stdio/fscanf.c

@@ -0,0 +1,33 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+int
+fscanf (FILE * stream, char const *template, ...)
+{
+  va_list ap;
+  va_start (ap, template);
+  int r = vfscanf (stream, template, ap);
+  va_end (ap);
+  return r;
+}

lib/stdio/rewind.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -18,16 +18,10 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <mes/lib.h>
-#include <errno.h>
+#include <stdio.h>
 
-int
-rewind (int x)
+void
+rewind (FILE * stream)
 {
-  static int stub = 0;
-  if (__mes_debug () && !stub)
-    eputs ("rewind stub\n");
-  stub = 1;
-  errno = 0;
-  return 0;
+  fseek (stream, 0, SEEK_SET);
 }

lib/stdio/sscanf.c

@@ -23,7 +23,7 @@
 #include <stdio.h>
 
 int
-sscanf (char const *str, const char *template, ...)
+sscanf (char const *str, char const *template, ...)
 {
   va_list ap;
   va_start (ap, template);

lib/stdio/vfprintf.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -33,7 +33,7 @@ vfprintf (FILE * f, char const *format, va_list ap)
     if (*p != '%')
       {
         count++;
-        fputc (*p++, fd);
+        fputc (*p++, f);
       }
     else
       {
@@ -41,6 +41,7 @@ vfprintf (FILE * f, char const *format, va_list ap)
         char c = *p;
         int left_p = 0;
         int precision = -1;
+        int prefix_p = 0;
         int width = -1;
         if (c == '-')
           {
@@ -48,10 +49,20 @@ vfprintf (FILE * f, char const *format, va_list ap)
             c = *++p;
           }
         char pad = ' ';
+        if (c == ' ')
+          {
+            pad = c;
+            c = *++p;
+          }
+        if (c == '#')
+          {
+            prefix_p = 1;
+            c = *++p;
+          }
         if (c == '0')
           {
             pad = c;
-            c = *p++;
+            c = *++p;
           }
         if (c >= '0' && c <= '9')
           {
@@ -88,7 +99,7 @@ vfprintf (FILE * f, char const *format, va_list ap)
           {
           case '%':
             {
-              fputc (*p, fd);
+              fputc (*p, f);
               count++;
               break;
             }
@@ -96,7 +107,7 @@ vfprintf (FILE * f, char const *format, va_list ap)
             {
               char _c;
               _c = va_arg (ap, long);
-              fputc (_c, fd);
+              fputc (_c, f);
               break;
             }
           case 'd':
@@ -108,7 +119,7 @@ vfprintf (FILE * f, char const *format, va_list ap)
             {
               long d = va_arg (ap, long);
               int base = c == 'o' ? 8 : c == 'x' || c == 'X' ? 16 : 10;
-              char const *s = ntoab (d, base, c != 'u' && c != 'x' && c != 'X');
+              char *s = ntoab (d, base, c != 'u' && c != 'x' && c != 'X');
               if (c == 'X')
                 strupr (s);
               int length = strlen (s);
@@ -129,6 +140,18 @@ vfprintf (FILE * f, char const *format, va_list ap)
                       count++;
                     }
                 }
+              if (prefix_p && *s && c == 'o')
+                {
+                  fputc ('0', f);
+                  width--;
+                }
+              if (prefix_p && *s && (c == 'x' || c == 'X'))
+                {
+                  fputc ('0', f);
+                  width--;
+                  fputc ('x', f);
+                  width--;
+                }
               while (*s)
                 {
                   if (precision-- <= 0)
@@ -182,6 +205,50 @@ vfprintf (FILE * f, char const *format, va_list ap)
                 }
               break;
             }
+          case 'f':
+          case 'e':
+          case 'E':
+          case 'g':
+          case 'G':
+            {
+              double d = va_arg8 (ap, double);
+              char *s = dtoab (d, 10, 1);
+              if (c == 'E' || c == 'G')
+                strupr (s);
+              int length = strlen (s);
+              if (precision == -1)
+                precision = length;
+              if (!left_p)
+                {
+                  while (width-- > precision)
+                    {
+                      fputc (pad, f);
+                      count++;
+                    }
+                  while (precision > length)
+                    {
+                      fputc (' ', f);
+                      precision--;
+                      width--;
+                      count++;
+                    }
+                }
+              while (*s)
+                {
+                  if (precision-- <= 0)
+                    break;
+                  width--;
+                  fputc (*s++, f);
+                  count++;
+                }
+              while (width > 0)
+                {
+                  width--;
+                  fputc (pad, f);
+                  count++;
+                }
+              break;
+            }
           case 'n':
             {
               int *n = va_arg (ap, int *);
@@ -192,6 +259,8 @@ vfprintf (FILE * f, char const *format, va_list ap)
             {
               eputs ("vfprintf: not supported: %:");
               eputc (c);
+              eputs (", in format: ");
+              eputs (format);
               eputs ("\n");
               p++;
             }

lib/stdio/vfscanf.c

@@ -0,0 +1,208 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+int
+vfscanf (FILE * stream, char const *template, va_list ap)
+{
+  char r = fgetc (stream);
+  char const *t = template;
+  int count = 0;
+  while (*t && r != EOF)
+    if (*t != '%')
+      {
+        t++;
+        r = fgetc (stream);
+      }
+    else
+      {
+        t++;
+        char c = *t;
+        int skip_p = 0;
+        int length = -1;
+        if (c == '*')
+          skip_p = 1;
+        if (c >= '0' && c <= '9')
+          {
+            length = abtol (&t, 10);
+            c = *t;
+          }
+        if (c == 'l')
+          c = *++t;
+        switch (c)
+          {
+          case '%':
+            {
+              r = fgetc (stream);
+              break;
+            }
+          case 'c':
+            {
+              r = fgetc (stream);
+              if (!skip_p)
+                {
+                  char *c = va_arg (ap, char *);
+                  *c = r;
+                  count++;
+                }
+              break;
+            }
+          case 'd':
+          case 'i':
+          case 'u':
+            {
+              int *d = skip_p ? 0 : va_arg (ap, int *);
+              char buf[20];
+              char *q = buf;
+              if (r == '+' || r == '-')
+                {
+                  *q++ = r;
+                  r = fgetc (stream);
+                }
+              while (isdigit (r))
+                {
+                  *q++ = r;
+                  r = fgetc (stream);
+                }
+              ungetc (r, stream);
+              *q = 0;
+              q = buf;
+              if (skip_p)
+                abtol ((char const **) &q, 10);
+              else
+                {
+                  *d = abtol ((char const **) &q, 10);
+                  count++;
+                }
+              break;
+            }
+          case 'e':
+          case 'f':
+          case 'g':
+          case 'E':
+          case 'G':
+            {
+              float *f = skip_p ? 0 : va_arg (ap, float *);
+              char buf[20];
+              char *q = buf;
+              if (r == '+' || r == '-')
+                {
+                  *q++ = r;
+                  r = fgetc (stream);
+                }
+              while (isdigit (r))
+                {
+                  *q++ = r;
+                  r = fgetc (stream);
+                }
+              ungetc (r, stream);
+              *q = 0;
+              q = buf;
+              if (skip_p)
+                strtod (q, &q);
+              else
+                {
+                  *f = strtod (q, &q);
+                  count++;
+                }
+              break;
+            }
+          case 's':
+            {
+              char *s = skip_p ? 0 : va_arg (ap, char *);
+              while (r && !isspace (r) && (length == -1 || length--))
+                {
+                  if (!skip_p)
+                    *s++ = r;
+                  r = fgetc (stream);
+                }
+              if (!skip_p)
+                {
+                  count++;
+                  *s = 0;
+                }
+              break;
+            }
+          case '[':
+            {
+              char *s = skip_p ? 0 : va_arg (ap, char *);
+              char set[1024];
+              int i = 0;
+              int not_in_set_p = 0;
+              t++;
+              if (*t == '^')
+                {
+                  not_in_set_p = 1;
+                  t++;
+                }
+              if (*t == ']' || *t == '-')
+                set[i++] = *t++;
+              while (*t && *t != ']')
+                {
+                  if (*t == '-')
+                    {
+                      char end = *t++;
+                      for (char x = set[i - 1] + 1; x < end; x++)
+                        set[i++] = x;
+                    }
+                  else
+                    set[i++] = *t++;
+                }
+              set[i] = 0;
+              while (r && (length == -1 || length--))
+                {
+                  int match = (int) (long) strchr (set, r);
+                  if (not_in_set_p)
+                    match = !match;
+                  if (!match)
+                    break;
+                  if (!skip_p)
+                    *s++ = r;
+                  r = fgetc (stream);
+                }
+              if (!skip_p)
+                {
+                  count++;
+                  *s = 0;
+                }
+              break;
+            }
+          default:
+            {
+              eputs ("vsscanf: not supported: %:");
+              eputc (c);
+              eputs (", in template: ");
+              eputs (template);
+              eputs ("\n");
+              t++;
+              r = fgetc (stream);
+            }
+          }
+        t++;
+      }
+  va_end (ap);
+  return count;
+}

lib/stdio/vsnprintf.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -43,6 +43,7 @@ vsnprintf (char *str, size_t size, char const *format, va_list ap)
         c = *p;
         int left_p = 0;
         int precision = -1;
+        int prefix_p = 0;
         int width = -1;
         if (c == '-')
           {
@@ -50,10 +51,20 @@ vsnprintf (char *str, size_t size, char const *format, va_list ap)
             c = *++p;
           }
         char pad = ' ';
+        if (c == ' ')
+          {
+            pad = c;
+            c = *++p;
+          }
+        if (c == '#')
+          {
+            prefix_p = 1;
+            c = *++p;
+          }
         if (c == '0')
           {
             pad = c;
-            c = *p++;
+            c = *++p;
           }
         if (c >= '0' && c <= '9')
           {
@@ -114,7 +125,7 @@ vsnprintf (char *str, size_t size, char const *format, va_list ap)
             {
               long d = va_arg (ap, long);
               int base = c == 'o' ? 8 : c == 'x' || c == 'X' ? 16 : 10;
-              char const *s = ntoab (d, base, c != 'u' && c != 'x' && c != 'X');
+              char *s = ntoab (d, base, c != 'u' && c != 'x' && c != 'X');
               if (c == 'X')
                 strupr (s);
               int length = strlen (s);
@@ -137,6 +148,18 @@ vsnprintf (char *str, size_t size, char const *format, va_list ap)
                       count++;
                     }
                 }
+              if (prefix_p && *s && c == 'o')
+                {
+                  *s++ = '0';
+                  width--;
+                }
+              if (prefix_p && *s && (c == 'x' || c == 'X'))
+                {
+                  *s++ = '0';
+                  width--;
+                  *s++ = 'x';
+                  width--;
+                }
               while (*s)
                 {
                   if (precision-- <= 0)
@@ -198,6 +221,55 @@ vsnprintf (char *str, size_t size, char const *format, va_list ap)
                 }
               break;
             }
+          case 'f':
+          case 'e':
+          case 'E':
+          case 'g':
+          case 'G':
+            {
+              double d = va_arg8 (ap, double);
+              char *s = dtoab (d, 10, 1);
+              if (c == 'E' || c == 'G')
+                strupr (s);
+              int length = strlen (s);
+              if (precision == -1)
+                precision = length;
+              if (!left_p)
+                {
+                  while (width-- > precision)
+                    {
+                      if (count < size)
+                        *str++ = pad;
+                      count++;
+                    }
+                  while (precision > length)
+                    {
+                      if (count < size)
+                        *str++ = ' ';
+                      precision--;
+                      width--;
+                      count++;
+                    }
+                }
+              while (*s)
+                {
+                  if (precision-- <= 0)
+                    break;
+                  width--;
+                  c = *s++;
+                  if (count < size)
+                    *str++ = c;
+                  count++;
+                }
+              while (width > 0)
+                {
+                  width--;
+                  if (count < size)
+                    *str++ = pad;
+                  count++;
+                }
+              break;
+            }
           case 'n':
             {
               int *n = va_arg (ap, int *);
@@ -208,6 +280,8 @@ vsnprintf (char *str, size_t size, char const *format, va_list ap)
             {
               eputs ("vsnprintf: not supported: %:");
               eputc (c);
+              eputs (", in format: ");
+              eputs (format);
               eputs ("\n");
               p++;
             }

lib/stdio/vsscanf.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -41,6 +41,15 @@ vsscanf (char const *s, char const *template, va_list ap)
       {
         t++;
         char c = *t;
+        int skip_p = 0;
+        int length = -1;
+        if (c == '*')
+          skip_p = 1;
+        if (c >= '0' && c <= '9')
+          {
+            length = abtol (&t, 10);
+            c = *t;
+          }
         if (c == 'l')
           c = *++t;
         switch (c)
@@ -52,24 +61,113 @@ vsscanf (char const *s, char const *template, va_list ap)
             }
           case 'c':
             {
-              char *c = va_arg (ap, char *);
-              *c = *p++;
-              count++;
+              char r = *p++;
+              if (!skip_p)
+                {
+                  char *c = va_arg (ap, char *);
+                  *c = r;
+                  count++;
+                }
               break;
             }
           case 'd':
           case 'i':
           case 'u':
             {
-              int *d = va_arg (ap, int *);
-              *d = abtol ((char const **)&p, 10);
-              count++;
+              if (skip_p)
+                abtol ((char const **) &p, 10);
+              else
+                {
+                  int *d = va_arg (ap, int *);
+                  *d = abtol ((char const **) &p, 10);
+                  count++;
+                }
+              break;
+            }
+          case 'e':
+          case 'f':
+          case 'g':
+          case 'E':
+          case 'G':
+            {
+              if (skip_p)
+                strtod (p, &p);
+              else
+                {
+                  float *f = va_arg (ap, float *);
+                  *f = strtod (p, &p);
+                  count++;
+                }
+              break;
+            }
+          case 's':
+            {
+              char *s = skip_p ? 0 : va_arg (ap, char *);
+              char r = *p;
+              while (r && !isspace (r) && (length == -1 || length--))
+                {
+                  if (!skip_p)
+                    *s++ = r;
+                  r = *++p;
+                }
+              if (!skip_p)
+                {
+                  count++;
+                  *s = 0;
+                }
+              break;
+            }
+          case '[':
+            {
+              char *s = skip_p ? 0 : va_arg (ap, char *);
+              char set[1024];
+              int i = 0;
+              int not_in_set_p = 0;
+              t++;
+              if (*t == '^')
+                {
+                  not_in_set_p = 1;
+                  t++;
+                }
+              if (*t == ']' || *t == '-')
+                set[i++] = *t++;
+              while (*t && *t != ']')
+                {
+                  if (*t == '-')
+                    {
+                      char end = *t++;
+                      for (char x = set[i - 1] + 1; x < end; x++)
+                        set[i++] = x;
+                    }
+                  else
+                    set[i++] = *t++;
+                }
+              set[i] = 0;
+              char r = *p;
+              while (r && (length == -1 || length--))
+                {
+                  int match = (int) (long) strchr (set, r);
+                  if (not_in_set_p)
+                    match = !match;
+                  if (!match)
+                    break;
+                  if (!skip_p)
+                    *s++ = r;
+                  r = *++p;
+                }
+              if (!skip_p)
+                {
+                  count++;
+                  *s = 0;
+                }
               break;
             }
           default:
             {
               eputs ("vsscanf: not supported: %:");
               eputc (c);
+              eputs (", in template: ");
+              eputs (template);
               eputs ("\n");
               t++;
               p++;

lib/stdlib/__exit.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -18,6 +18,8 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdlib.h>
+
 int
 __exit (int status)
 {

lib/stdlib/abort.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -18,6 +18,8 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdlib.h>
+
 void
 abort (void)
 {

lib/stdlib/atexit.c

@@ -25,4 +25,5 @@ int
 atexit (void (*function) (void))
 {
   __call_at_exit = function;
+  return 0;
 }

lib/stdlib/atof.c

@@ -20,12 +20,9 @@
 
 #include <mes/lib.h>
 
-int
-atof (int x)
+double
+atof (char const *string)
 {
-  static int stub = 0;
-  if (__mes_debug () && !stub)
-    eputs ("atof stub\n");
-  stub = 1;
-  return 0;
+  char const *p = string;
+  return abtod (&p, 0);
 }

lib/stdlib/atoi.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -21,8 +21,8 @@
 #include <mes/lib.h>
 
 int
-atoi (char const *s)
+atoi (char const *string)
 {
-  char const *p = s;
+  char const *p = string;
   return abtol (&p, 0);
 }

lib/stdlib/mbstowcs.c

@@ -18,10 +18,10 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <mes/lib.h>
+#include <stdio.h>
 #include <stdlib.h>
-
-#if !__MESC__
-typedef char wchar_t[];
+#include <string.h>
 
 size_t
 mbstowcs (wchar_t * wstring, char const *string, size_t size)
@@ -33,4 +33,3 @@ mbstowcs (wchar_t * wstring, char const *string, size_t size)
   strcpy (wstring, string);
   return strlen (string);
 }
-#endif

lib/stdlib/qsort.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -18,13 +18,15 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 
 void
 qswap (void *a, void *b, size_t size)
 {
-  char *buf[8];
+  char buf[128];
+  assert (size <= sizeof (buf));
   memcpy (buf, a, size);
   memcpy (a, b, size);
   memcpy (b, buf, size);

lib/stdlib/strtod.c

@@ -0,0 +1,41 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdlib.h>
+#include <string.h>
+
+double
+strtod (char const *string, char **tailptr)
+{
+  int base = 10;
+  if (!strncmp (string, "0x", 2))
+    {
+      string += 2;
+      base = 16;
+    }
+  if (tailptr)
+    {
+      *tailptr = (char *) string;
+      return abtod ((char const **) tailptr, base);
+    }
+  char **p = (char **) &string;
+  return abtod ((char const **) p, base);
+}

lib/string/bzero.c

@@ -21,8 +21,15 @@
 #include <stdlib.h>
 #include <string.h>
 
+#if BZERO_INT
 int
+#else
+void
+#endif
 bzero (void *block, size_t size)
 {
-  return (int) (long) memset (block, 0, size);
+#if BZERO_INT
+  return (int) (long)
+#endif
+    memset (block, 0, size);
 }

lib/string/index.c

@@ -20,8 +20,12 @@
 
 #include <string.h>
 
+#if INDEX_INT
 int
+#else
+char *
+#endif
 index (char const *s, int c)
 {
-  return (int) (long) strchr (s, c);
+  return strchr (s, c);
 }

lib/string/rindex.c

@@ -20,7 +20,11 @@
 
 #include <string.h>
 
+#if INDEX_INT
 int
+#else
+char *
+#endif
 rindex (char const *s, int c)
 {
   return strrchr (s, c);

lib/string/strcspn.c

@@ -23,7 +23,7 @@
 size_t
 strcspn (char const *string, char const *stopset)
 {
-  char *p = string;
+  char *p = (char *) string;
   while (*p)
     if (strchr (stopset, *p))
       break;

lib/string/strpbrk.c

@@ -23,7 +23,7 @@
 char *
 strpbrk (char const *string, char const *stopset)
 {
-  char *p = string;
+  char *p = (char *) string;
   while (*p)
     if (strchr (stopset, *p))
       break;

lib/string/strtok.c

@@ -0,0 +1,42 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+
+char *
+strtok (char *new_string, char const *delimiters)
+{
+  static char *mark;
+  if (new_string)
+    mark = new_string;
+  if (!*mark)
+    return 0;
+  while (strchr (delimiters, *mark))
+    mark++;
+  char *point = mark;
+  while (*mark && !strchr (delimiters, *mark))
+    mark++;
+  if (*mark)
+    {
+      *mark = 0;
+      mark++;
+    }
+  return point;
+}

lib/stub/asctime.c

@@ -0,0 +1,34 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+#include <time.h>
+
+char *
+asctime (struct tm const *broken_time)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("asctime stub\n");
+  stub = 1;
+  errno = 0;
+  return "now";
+}

lib/stub/atan2.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -19,14 +19,14 @@
  */
 
 #include <mes/lib.h>
-#include <stdlib.h>
+#include <math.h>
 
 double
-strtod (char const *string, char **tailptr)
+atan2 (double x, double y)
 {
   static int stub = 0;
   if (__mes_debug () && !stub)
-    eputs ("strtod stub\n");
+    eputs ("atan2 stub\n");
   stub = 1;
   return 0;
 }

lib/stub/cos.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+cos (double x)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("cos stub\n");
+  stub = 1;
+  return 0;
+}

lib/stub/ctime.c

@@ -22,13 +22,13 @@
 #include <errno.h>
 #include <time.h>
 
-int
-ctime (int x)
+char *
+ctime (time_t const *TIME)
 {
   static int stub = 0;
   if (__mes_debug () && !stub)
     eputs ("ctime stub\n");
   stub = 1;
   errno = 0;
-  return 0;
+  return "now";
 }

lib/stub/exp.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+exp (double x)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("exp stub\n");
+  stub = 1;
+  return 0;
+}

lib/stub/frexp.c

@@ -20,7 +20,7 @@
 
 #include <mes/lib.h>
 
-int
+double
 frexp (int x)
 {
   static int stub = 0;

lib/stub/getgrgid.c

@@ -0,0 +1,41 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+#include <grp.h>
+
+struct group *
+getgrgid (gid_t gid)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("getgrid stub\n");
+  static char *groups[2] = { "root", 0 };
+#if SYSTEM_LIBC
+  static struct group root = { "root", 0, 0 };
+  root.gr_mem = groups;
+#else
+  static struct group root = { "root", 0, groups };
+#endif
+  stub = 1;
+  errno = 0;
+  return &root;
+}

lib/stub/getgrnam.c

@@ -0,0 +1,41 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+#include <grp.h>
+
+struct group *
+getgrnam (char const *name)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("getgrid stub\n");
+  static char *groups[2] = { "root", 0 };
+#if SYSTEM_LIBC
+  static struct group root = { "root", 0, 0 };
+  root.gr_mem = groups;
+#else
+  static struct group root = { "root", 0, groups };
+#endif
+  stub = 1;
+  errno = 0;
+  return &root;
+}

lib/stub/getpgid.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -23,11 +23,12 @@
 #include <unistd.h>
 
 int
-fscanf (FILE *stream, char const *template, ...)
+getpgid (pid_t pid)
 {
   static int stub = 0;
   if (__mes_debug () && !stub)
-    eputs ("fscan stub\n");
+    eputs ("getpgid stub\n");
   stub = 1;
+  errno = 0;
   return 0;
 }

lib/stub/getpgrp.c

@@ -0,0 +1,34 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+#include <unistd.h>
+
+pid_t
+getpgrp (void)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("getpgrp stub\n");
+  stub = 1;
+  errno = 0;
+  return 0;
+}

lib/stub/getpwnam.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -23,12 +23,13 @@
 #include <pwd.h>
 
 struct passwd *
-getpwnam (const char *NAME)
+getpwnam (const char *name)
 {
   static int stub = 0;
   if (__mes_debug () && !stub)
     eputs ("getpwnam stub\n");
   stub = 1;
   errno = 0;
-  return 0;
+  static struct passwd root = { "root", "*", 0, 0, "", "/root", "/bin/sh" };
+  return &root;
 }

lib/stub/getpwuid.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -30,5 +30,6 @@ getpwuid (uid_t uid)
     eputs ("getpwuid stub\n");
   stub = 1;
   errno = 0;
-  return 0;
+  static struct passwd root = { "root", "*", 0, 0, "", "/root", "/bin/sh" };
+  return &root;
 }

lib/stub/ldexp.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -22,7 +22,7 @@
 #include <math.h>
 
 double
-ldexp (double x, int exp)
+ldexp (double value, int exponent)
 {
   static int stub = 0;
   if (__mes_debug () && !stub)

lib/stub/localtime.c

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -31,5 +31,6 @@ localtime (time_t const *timep)
     eputs ("localtime stub\n");
   stub = 1;
   errno = 0;
-  return 0;
+  static struct tm zero = { 0 };
+  return &zero;
 }

lib/stub/log.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+log (double x)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("log stub\n");
+  stub = 1;
+  return 0;
+}

lib/stub/mktime.c

@@ -0,0 +1,34 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+#include <time.h>
+
+time_t
+mktime (struct tm *broken_time)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("mktime stub\n");
+  stub = 1;
+  errno = 0;
+  return 0;
+}

lib/stub/modf.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+modf (double value, double *integer_part)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("modf stub\n");
+  stub = 1;
+  return 0;
+}

lib/stub/pow.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+pow (double base, double power)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("pow stub\n");
+  stub = 1;
+  return 0;
+}

lib/stub/setgrent.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <errno.h>
+
+void
+setgrent (void)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("setgrent stub\n");
+  stub = 1;
+  errno = 0;
+}

lib/stub/sin.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+sin (double x)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("sin stub\n");
+  stub = 1;
+  return 0;
+}

lib/stub/sqrt.c

@@ -0,0 +1,32 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <math.h>
+
+double
+sqrt (double x)
+{
+  static int stub = 0;
+  if (__mes_debug () && !stub)
+    eputs ("sqrt stub\n");
+  stub = 1;
+  return 0;
+}

lib/tests/mes/90-abtod.c

@@ -0,0 +1,34 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main ()
+{
+  char *s = "1.2e3";
+  char *p = s;
+  double d = abtod (&p, 0);
+  printf ("%f\n", d);
+
+  return 0;
+}

lib/tests/mes/90-abtod.stdout

@@ -0,0 +1 @@
+1200.000000

lib/tests/mes/90-dtoab.c

@@ -0,0 +1,36 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdlib.h>
+
+int
+main ()
+{
+  double d = 1.23;
+  char *p = dtoab (d, 10, 1);
+  puts (p);
+
+  d = -3.14159265;
+  p = dtoab (d, 10, 1);
+  puts (p);
+
+  return 0;
+}

lib/tests/mes/90-dtoab.stdout

@@ -0,0 +1,2 @@
+1.23
+-3.14159265

lib/tests/posix/90-execlp.c

@@ -0,0 +1,28 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "unistd.h"
+
+int
+main (int argc, char const *argv[])
+{
+  execlp ("echo", "echo", "Hello", "World!", 0);
+  return 0;
+}

lib/tests/posix/90-execlp.stdout

@@ -0,0 +1 @@
+Hello World!

lib/tests/stdio/90-sprintf.c

@@ -0,0 +1,44 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main ()
+{
+  char buf[20];
+
+  int i = 0;
+  printf ("%3.6d\n", i);
+  sprintf (buf, "%3.6d", i);
+  puts (buf);
+
+  double d = 1;
+  printf ("%3.6f\n", d);
+  sprintf (buf, "%3.6f", d);
+  puts (buf);
+  printf ("%3.6g\n", d);
+  sprintf (buf, "%3.6g", d);
+  puts (buf);
+
+  return 0;
+}

lib/tests/stdio/90-sprintf.stdout

@@ -0,0 +1,6 @@
+000000
+000000
+1.000000
+1.000000
+  1
+  1

lib/tests/stdio/90-sscanf.c

@@ -0,0 +1,50 @@
+/* -*-comment-start: "//";comment-end:""-*-
+ * GNU Mes --- Maxwell Equations of Software
+ * Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ *
+ * This file is part of GNU Mes.
+ *
+ * GNU Mes is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU Mes is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mes/lib.h>
+#include <stdio.h>
+#include <string.h>
+
+int
+main ()
+{
+  char buf_abc[20];
+  char buf_xxx[20];
+  char buf_0_9[20];
+  int i = sscanf ("@abcxxx x0", "@%5[a-bc]%s%[^0-9]", &buf_abc, &buf_xxx, &buf_0_9);
+  if (i != 3)
+    return 1;
+  eputs ("buf_abc=");
+  eputs (buf_abc);
+  eputs ("\n");
+  eputs ("buf_xxx=");
+  eputs (buf_xxx);
+  eputs ("\n");
+  eputs ("buf_0_9=");
+  eputs (buf_0_9);
+  eputs ("\n");
+  if (strcmp (buf_abc, "abc"))
+    return 2;
+  if (strcmp (buf_xxx, "xxx"))
+    return 3;
+  if (strcmp (buf_0_9, " x"))
+    return 4;
+  return 0;
+}