Libc-391.tar.gz

[apple/libc.git] / stdio / FreeBSD / vsnprintf.c.patch

--- vsnprintf.c.orig	2003-07-24 12:42:14.000000000 -0700
+++ vsnprintf.c	2005-02-23 16:54:44.000000000 -0800
@@ -40,6 +40,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD: src/lib/libc/stdio/vsnprintf.c,v 1.22 2003/07/02 07:08:44 jkh Exp $");
 
+#include "xlocale_private.h"
+
 #include <limits.h>
 #include <stdio.h>
 #include "local.h"
@@ -72,7 +74,42 @@
 	f._bf._size = f._w = n;
 	f._extra = &ext;
 	INITEXTRA(&f);
-	ret = __vfprintf(&f, fmt, ap);
+	ret = __vfprintf(&f, __current_locale(), fmt, ap);
+	if (on > 0)
+		*f._p = '\0';
+	return (ret);
+}
+
+int
+vsnprintf_l(char * __restrict str, size_t n, locale_t loc,
+    const char * __restrict fmt, __va_list ap)
+{
+	size_t on;
+	int ret;
+	char dummy[2];
+	FILE f;
+	struct __sFILEX ext;
+
+	NORMALIZE_LOCALE(loc);
+	on = n;
+	if (n != 0)
+		n--;
+	if (n > INT_MAX)
+		n = INT_MAX;
+	/* Stdio internals do not deal correctly with zero length buffer */
+	if (n == 0) {
+		if (on > 0)
+	  		*str = '\0';
+		str = dummy;
+		n = 1;
+	}
+	f._file = -1;
+	f._flags = __SWR | __SSTR;
+	f._bf._base = f._p = (unsigned char *)str;
+	f._bf._size = f._w = n;
+	f._extra = &ext;
+	INITEXTRA(&f);
+	ret = __vfprintf(&f, loc, fmt, ap);
 	if (on > 0)
 		*f._p = '\0';
 	return (ret);