Libc-498.tar.gz

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

diff --git a/stdio/vswscanf-fbsd.c b/stdio/vswscanf-fbsd.c
new file mode 100644 (file)
index 0000000..bad7e18
--- /dev/null
+++ b/stdio/vswscanf-fbsd.c
@@ -0,0 +1,141 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Donn Seeley at UUNET Technologies, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if 0
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)vsscanf.c  8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+__FBSDID("FreeBSD: src/lib/libc/stdio/vsscanf.c,v 1.11 2002/08/21 16:19:57 mike Exp ");
+#endif
+__FBSDID("$FreeBSD: src/lib/libc/stdio/vswscanf.c,v 1.3 2004/04/07 09:55:05 tjr Exp $");
+
+#include "xlocale_private.h"
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include "local.h"
+
+static int     eofread(void *, char *, int);
+
+static int
+eofread(void *cookie, char *buf, int len)
+{
+
+       return (0);
+}
+
+int
+vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict fmt,
+    va_list ap)
+{
+       static const mbstate_t initial;
+       mbstate_t mbs;
+       FILE f;
+       struct __sFILEX ext;
+       char *mbstr;
+       size_t mlen;
+       int r;
+       locale_t loc = __current_locale();
+
+       /*
+        * XXX Convert the wide character string to multibyte, which
+        * __vfwscanf() will convert back to wide characters.
+        */
+       if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX_L(loc) + 1)) == NULL)
+               return (EOF);
+       mbs = initial;
+       if ((mlen = wcsrtombs_l(mbstr, &str, SIZE_T_MAX, &mbs, loc)) == (size_t)-1) {
+               free(mbstr);
+               return (EOF);
+       }
+       f._file = -1;
+       f._flags = __SRD;
+       f._bf._base = f._p = (unsigned char *)mbstr;
+       f._bf._size = f._r = mlen;
+       f._read = eofread;
+       f._ub._base = NULL;
+       f._lb._base = NULL;
+       f._extra = &ext;
+       INITEXTRA(&f);
+       r = __vfwscanf(&f, loc, fmt, ap);
+       free(mbstr);
+
+       return (r);
+}
+
+int
+vswscanf_l(const wchar_t * __restrict str, locale_t loc,
+    const wchar_t * __restrict fmt, va_list ap)
+{
+       static const mbstate_t initial;
+       mbstate_t mbs;
+       FILE f;
+       struct __sFILEX ext;
+       char *mbstr;
+       size_t mlen;
+       int r;
+
+       NORMALIZE_LOCALE(loc);
+       /*
+        * XXX Convert the wide character string to multibyte, which
+        * __vfwscanf() will convert back to wide characters.
+        */
+       if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX_L(loc) + 1)) == NULL)
+               return (EOF);
+       mbs = initial;
+       if ((mlen = wcsrtombs_l(mbstr, &str, SIZE_T_MAX, &mbs, loc)) == (size_t)-1) {
+               free(mbstr);
+               return (EOF);
+       }
+       f._file = -1;
+       f._flags = __SRD;
+       f._bf._base = f._p = (unsigned char *)mbstr;
+       f._bf._size = f._r = mlen;
+       f._read = eofread;
+       f._ub._base = NULL;
+       f._lb._base = NULL;
+       f._extra = &ext;
+       INITEXTRA(&f);
+       r = __vfwscanf(&f, loc, fmt, ap);
+       free(mbstr);
+
+       return (r);
+}