mescc: Support binutils-2.10.1.

xx

include/ctype.h

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * Mes --- Maxwell Equations of Software
- * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of Mes.
  *
@@ -29,9 +29,11 @@
 
 #else // ! WITH_GLIBC
 #include <endian.h>
-int isdigit (int);
-int isxdigit (int);
-int isspace (int);
+int isalpha (int c);
+int isascii (int c);
+int isdigit (int c);
+int isxdigit (int c);
+int isspace (int c);
 #endif // ! WITH_GLIBC
 
 #endif // __MES_CTYPE_H

include/limits.h

@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * Mes --- Maxwell Equations of Software
- * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of Mes.
  *
@@ -28,6 +28,7 @@
 #include_next <limits.h>
 
 #else // ! WITH_GLIBC
+
 #define CHAR_BIT 8
 #define UCHAR_MAX 255
 #define INT_MIN -2147483648
@@ -35,7 +36,7 @@
 #define MB_CUR_MAX 1
 #define LONG_MIN -2147483648
 #define LONG_MAX 2147483647
-#define LONG_MAX _POSIX_OPEN_MAX 16
+#define _POSIX_OPEN_MAX 16
 
 #endif // ! WITH_GLIBC
 

include/stdint.h

@@ -63,13 +63,22 @@ typedef long long int64_t;
 typedef unsigned long size_t;
 #endif
 
+#ifndef __MES_INTPTR_T
+#define __MES_INTPTR_T
+#undef intptr_t
+typedef long intptr_t;
+#endif
+
 // FIXME
 typedef int intmax_t;
 typedef unsigned uintmax_t;
-typedef int* intptr_t;
 typedef unsigned* uintptr_t;
 
-typedef unsigned ptrdiff_t;
+#ifndef __MES_PTRDIFF_T
+#define __MES_PTRDIFF_T
+#undef ptrdiff_t
+typedef long ptrdiff_t;
+#endif
 
 #endif // ! WITH_GLIBC
 

include/stdlib.h

@@ -54,9 +54,17 @@ unsigned long long strtoull (char const *nptr, char **endptr, int base);
 #define EXIT_FAILURE 1
 #define EXIT_SUCCESS 0
 
+
+#if __MESC__
+typedef int (*comparison_fn_t) (void const *, void const *);
+#else
+typedef void (*comparison_fn_t) ();
+#endif
+
+void * bsearch (void const *key, void const *array, size_t count, size_t size, comparison_fn_t compare);
+
 #include <endian.h>
 
 #endif // ! WITH_GLIBC
 
 #endif // __MES_STDLIB_H
-

include/time.h

@@ -43,6 +43,8 @@ struct tm {
 };
 
 struct tm *localtime (time_t const *timep);
+struct tm *gmtime (time_t const *time);
+
 time_t time (time_t *tloc);
 
 #ifndef __MES_STRUCT_TIMESPEC

include/unistd.h

@@ -33,6 +33,12 @@
 #define NULL 0
 #endif
 
+#ifndef STDIN_FILENO
+#define	STDIN_FILENO  0
+#define	STDOUT_FILENO 1
+#define	STDERR_FILENO 2
+#endif // STDIN_FILENO
+
 #ifndef __MES_OFF_T
 #define __MES_OFF_T
 #undef off_t
@@ -51,6 +57,18 @@ typedef unsigned long size_t;
 typedef long ssize_t;
 #endif
 
+#ifndef __MES_INTPTR_T
+#define __MES_INTPTR_T
+#undef intptr_t
+typedef long intptr_t;
+#endif
+
+#ifndef __MES_PTRDIFF_T
+#define __MES_PTRDIFF_T
+#undef ptrdiff_t
+typedef long ptrdiff_t;
+#endif
+
 #ifndef R_OK
 #define F_OK 0
 #define X_OK 1
@@ -72,6 +90,12 @@ char *getcwd (char *buf, size_t size);
 int isatty (int fd);
 off_t lseek (int fd, off_t offset, int whence);
 ssize_t read (int fd, void *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 unlink (char const *file_name);
 ssize_t write (int filedes, void const *buffer, size_t size);
 #endif // ! WITH_GLIBC

lib/binutils.c

@@ -20,6 +20,7 @@
 
 #include <libmes.h>
 #include <stdint.h>
+#include <stdlib.h>
 
 int
 abs (int x)
@@ -117,15 +118,6 @@ perror (char const *message)
   fprintf (stderr, "%s: %s\n", strerror (errno), message);
 }
 
-void*
-sbrk (ptrdiff_t delta)
-{
-  void *p = malloc (delta);
-  if (p <= 0)
-    return 0;
-  return p+delta;
-}
-
 int
 setitimer (int which, struct itimerval const *new,
            struct itimerval *old)
@@ -209,3 +201,48 @@ utime (int x)
   eputs ("utime stub\n");
   return 0;
 }
+
+// binutils-2.10.1
+int
+fscanf (FILE *stream, char const *template, ...)
+{
+  eputs ("fscan stub\n");
+  return 0;
+}
+
+int
+isascii (int c)
+{
+  return c >= 0 && c <= 127;
+}
+
+void *
+#if __MESC__
+bsearch (void const *key, void const *array, size_t count, size_t size, void (*compare) ())
+#else
+bsearch (void const *key, void const *array, size_t count, size_t size, comparison_fn_t compare)
+#endif
+{
+  eputs ("bsearch stub\n");
+  return 0;
+}
+
+struct tm *
+gmtime (time_t const *time)
+{
+  eputs ("gmtime stub\n");
+  return localtime (time);
+}
+
+#if __SBRK_CHAR_PTRDIFF
+char *
+sbrk (ptrdiff_t)
+#else
+void *
+sbrk (intptr_t delta)
+#endif
+{
+  if (delta >= 0)
+    return malloc (delta);
+  return g_brk;
+}

lib/libg.c

@@ -48,3 +48,24 @@ __cleanup ()
   eputs ("__cleanup stub\n");
   return 0;
 }
+
+int
+__libc_subinit ()
+{
+  eputs ("__libc_subinit stub\n");
+  return 0;
+}
+
+int
+__syscall_error ()
+{
+  eputs ("__syscall_error stub\n");
+  return 0;
+}
+
+int
+__fpu_control ()
+{
+  eputs ("__fpu_control stub\n");
+  return 0;
+}