configure.in: Add snprintf to gcc_AC_CHECK_DECLS list.

	* configure.in: Add snprintf to gcc_AC_CHECK_DECLS list.
	* system.h: Declare snprintf if necessary.
	* configure, config.in: Regenerate.

From-SVN: r72557

gcc/ChangeLog

+2003-10-16  Zack Weinberg  <zack@codesourcery.com>
+
+	* configure.in: Add snprintf to gcc_AC_CHECK_DECLS list.
+	* system.h: Declare snprintf if necessary.
+	* configure, config.in: Regenerate.
+
 2003-10-15  David Edelsohn  <edelsohn@gnu.org>
 
 	* config/rs6000/rs6000.c (rs6000_va_arg): Only align vector
@@ -26,13 +32,13 @@
 
 	* config/darwin-protos.h (machopic_non_lazy_ptr_name): Delete
 	prototype.  Clean up some whitespace.
-	* config/darwin.c: Use gen_rtx_FOO (...) rather than 
-	gen_rtx (FOO, ...).  
+	* config/darwin.c: Use gen_rtx_FOO (...) rather than
+	gen_rtx (FOO, ...).
 	(machopic_non_lazy_ptr_name): Make static.
 	(name_needs_quotes): Allow '.' and '$' unquoted.
 	(machopic_legitimize_pic_address): Improve codegen in dynamic-no-pic
 	case.
-	
+
 2003-10-15  Gbor Lki  <alga@rgai.hu>
 
 	* fold-const.c (tree_swap_operands_p): Disable some features

gcc/config.in

@@ -340,6 +340,9 @@
 #undef HAVE_DECL_ERRNO
 
 /* Define to 1 if we found this declaration otherwise define to 0. */
+#undef HAVE_DECL_SNPRINTF
+
+/* Define to 1 if we found this declaration otherwise define to 0. */
 #undef HAVE_DECL_VASPRINTF
 
 /* Define to 1 if we found this declaration otherwise define to 0. */

gcc/configure.in

@@ -821,7 +821,7 @@ saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
 	strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
-        fprintf_unlocked strstr errno vasprintf \
+        fprintf_unlocked strstr errno snprintf vasprintf \
 	malloc realloc calloc free basename getopt clock, , ,[
 #include "ansidecl.h"
 #include "system.h"])

gcc/system.h

@@ -361,6 +361,10 @@ extern int setrlimit (int, const struct rlimit *);
 extern void abort (void);
 #endif
 
+#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
+extern int snprintf (char *, size_t, const char *, ...);
+#endif
+
 /* 1 if we have C99 designated initializers.  */
 #if !defined(HAVE_DESIGNATED_INITIALIZERS)
 #define HAVE_DESIGNATED_INITIALIZERS \