merge from gcc

libiberty/ChangeLog

@@ -1,3 +1,12 @@
+2005-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* 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.
+
 2005-04-02  Ian Lance Taylor  <ian@airs.com>
 
 	* cp-demangle.c: Update copyright.

libiberty/bsearch.c

@@ -79,7 +79,7 @@ bsearch (register const void *key, const void *base0,
 		p = base + (lim >> 1) * size;
 		cmp = (*compar)(key, p);
 		if (cmp == 0)
-			return (p);
+			return (void *)p;
 		if (cmp > 0) {	/* key > p: move right */
 			base = (const char *)p + size;
 			lim--;

libiberty/config.in

@@ -301,6 +301,12 @@
 /* Define to 1 if you have the `vsprintf' function. */
 #undef HAVE_VSPRINTF
 
+/* Define to 1 if you have the `wait3' function. */
+#undef HAVE_WAIT3
+
+/* Define to 1 if you have the `wait4' function. */
+#undef HAVE_WAIT4
+
 /* Define to 1 if you have the `waitpid' function. */
 #undef HAVE_WAITPID
 

libiberty/configure

@@ -2930,7 +2930,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_c_preproc_warn_flag=yes
 
 if test x$GCC = xyes; then
-  ac_libiberty_warn_cflags='-W -Wall -pedantic'
+  ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes'
 fi
 
 
@@ -4885,6 +4885,8 @@ if test "x" = "y"; then
 
 
 
+
+
 
 
 

libiberty/configure.ac

@@ -114,7 +114,7 @@ AC_PROG_CC
 AC_PROG_CPP_WERROR
 
 if test x$GCC = xyes; then
-  ac_libiberty_warn_cflags='-W -Wall -pedantic'
+  ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes'
 fi
 AC_SUBST(ac_libiberty_warn_cflags)
 

libiberty/index.c

@@ -15,7 +15,7 @@ deprecated in new programs in favor of @code{strchr}.
 extern char * strchr(const char *, int);
 
 char *
-index (char *s, int c)
+index (const char *s, int c)
 {
   return strchr (s, c);
 }

libiberty/rindex.c

@@ -12,10 +12,10 @@ deprecated in new programs in favor of @code{strrchr}.
 
 */
 
-extern char *strrchr ();
+extern char *strrchr (const char *, int);
 
 char *
-rindex (char *s, int c)
+rindex (const char *s, int c)
 {
   return strrchr (s, c);
 }

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);
 }

libiberty/strtol.c

@@ -144,7 +144,7 @@ strtol(const char *nptr, char **endptr, register int base)
 			break;
 		if (c >= base)
 			break;
-		if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
 			any = -1;
 		else {
 			any = 1;

libiberty/waitpid.c

@@ -13,6 +13,7 @@ does the return value.  The third argument is unused in @libib{}.
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
+#include "ansidecl.h"
 
 /* On some systems (such as WindISS), you must include <sys/types.h>
    to get the definition of "pid_t" before you include <sys/wait.h>.  */
@@ -23,7 +24,7 @@ does the return value.  The third argument is unused in @libib{}.
 #endif
 
 pid_t
-waitpid (pid_t pid, int *stat_loc, int options)
+waitpid (pid_t pid, int *stat_loc, int options ATTRIBUTE_UNUSED)
 {
   for (;;)
     {