From cd5536b283e89dfc1853b49c04a1142b138ff383 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Mon, 24 Jul 2017 19:19:31 +0200
Subject: [PATCH] mescc: Tinycc support: longjmp, setjump stub.

* mlibc/include/stdarg.h (longjmp, setjmp): Declare.
* mlibc/libc-mes+tcc.c (longjmp, setjmp): Add stub.
---
 mlibc/include/setjmp.h |  2 ++
 mlibc/libc-mes+tcc.c   | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/mlibc/include/setjmp.h b/mlibc/include/setjmp.h
index 2792ed0c..c1c5300c 100644
--- a/mlibc/include/setjmp.h
+++ b/mlibc/include/setjmp.h
@@ -26,6 +26,8 @@
 #else // ! (__GNUC__ && POSIX)
 
 typedef int jmp_buf;
+void longjmp (jmp_buf env, int val);
+int setjmp (jmp_buf env);
 
 #endif // ! (__GNUC__ && POSIX)
 
diff --git a/mlibc/libc-mes+tcc.c b/mlibc/libc-mes+tcc.c
index b9d29469..472f98c5 100644
--- a/mlibc/libc-mes+tcc.c
+++ b/mlibc/libc-mes+tcc.c
@@ -19,6 +19,7 @@
  */
 
 #include <libc-mes.c>
+#include <setjmp.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -107,6 +108,11 @@ localtime (time_t const *timep)
   return 0;
 }
 
+void
+longjmp (jmp_buf env, int val)
+{
+}
+
 void *
 memcpy (void *dest, void const *src, size_t n)
 {
@@ -136,6 +142,12 @@ qsort (void *base, size_t nmemb, size_t size, int (*compar)(void const *, void c
 {
 }
 
+int
+setjmp (jmp_buf env)
+{
+  return 0;
+}
+
 int
 snprintf(char *str,  size_t size,  char const *format, ...)
 {