Libc-763.13.tar.gz

[apple/libc.git] / stdio / vsnprintf-fbsd.c

diff --git a/stdio/vsnprintf-fbsd.c b/stdio/vsnprintf-fbsd.c
index 1a24ce31faa1fd1f9d412082f74272ba78466583..5f9a2958f67585e65129a47f0302ff2f4adb5e43 100644 (file)
--- a/stdio/vsnprintf-fbsd.c
+++ b/stdio/vsnprintf-fbsd.c
@@ -13,10 +13,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
@@ -38,7 +34,7 @@
 static char sccsid[] = "@(#)vsnprintf.c        8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/vsnprintf.c,v 1.22 2003/07/02 07:08:44 jkh Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdio/vsnprintf.c,v 1.24 2008/04/17 22:17:54 jhb Exp $");
 
 #include "xlocale_private.h"
 
@@ -47,7 +43,7 @@ __FBSDID("$FreeBSD: src/lib/libc/stdio/vsnprintf.c,v 1.22 2003/07/02 07:08:44 jk
 #include "local.h"
 
 int
-vsnprintf(char * __restrict str, size_t n, const char * __restrict fmt,
+vsnprintf_l(char * __restrict str, size_t n, locale_t loc, const char * __restrict fmt,
     __va_list ap)
 {
        size_t on;
@@ -55,40 +51,8 @@ vsnprintf(char * __restrict str, size_t n, const char * __restrict fmt,
        char dummy[2];
        FILE f;
        struct __sFILEX ext;
-
-       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, __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;
@@ -107,10 +71,17 @@ vsnprintf_l(char * __restrict str, size_t n, locale_t loc,
        f._flags = __SWR | __SSTR;
        f._bf._base = f._p = (unsigned char *)str;
        f._bf._size = f._w = n;
-       f._extra = &ext;
-       INITEXTRA(&f);
+       f._orientation = 0;
+       memset(&f._mbstate, 0, sizeof(mbstate_t));
        ret = __vfprintf(&f, loc, fmt, ap);
        if (on > 0)
                *f._p = '\0';
        return (ret);
 }
+
+int
+vsnprintf(char * __restrict str, size_t n, const char * __restrict fmt,
+    __va_list ap)
+{
+       return vsnprintf_l(str, n, __current_locale(), fmt, ap);
+}