* configure.ac (ac_libiberty_warn_cflags): Add -Wwrite-strings

	-Wstrict-prototypes.
	* configure, config.in: Regenerate.

	* bsearch.c, index.c, rindex.c, strstr.c, strtol.c, waitpid.c: Fix
	warnings and reconcile interfaces with relevant standards.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97456 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 11 deletions

diff --git a/libiberty/strstr.c b/libiberty/strstr.c
index ff8abd20f78..60902ea40ee 100644
--- a/libiberty/strstr.c
+++ b/libiberty/strstr.c
@@ -20,23 +20,22 @@ length, the function returns @var{string}.
 /* FIXME:  The above description is ANSI compiliant.  This routine has not
    been validated to comply with it.  -fnf */
 
+#include <stddef.h>
+
+extern char *strchr (const char *, int);
+extern int strncmp (const void *, const void *, size_t);
+extern size_t strlen (const char *);
+
 char *
-strstr (char *s1, char *s2)
+strstr (const char *s1, const char *s2)
 {
-  register char *p = s1;
-  extern char *strchr ();
-  extern int strncmp ();
-#if __GNUC__ >= 2
-  extern __SIZE_TYPE__ strlen (const char *);
-#endif
-  register int len = strlen (s2);
+  const char *p = s1;
+  const size_t len = strlen (s2);
 
   for (; (p = strchr (p, *s2)) != 0; p++)
     {
       if (strncmp (p, s2, len) == 0)
-	{
-	  return (p);
-	}
+	return (char *)p;
     }
   return (0);
 }