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-rw-r--r--wcsmbs/mbsncpy.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/wcsmbs/mbsncpy.c b/wcsmbs/mbsncpy.c
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+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <mbstr.h>
+#include <stdlib.h>
+
+
+/* Copy no more than N characters of SRC to DEST. */
+char *
+mbsncpy (dest, src, n)
+ char *dest;
+ const char *src;
+ size_t n;
+{
+ const char * const s = src;
+ size_t len = 0;
+ int clen = 0;
+
+ if (n == 0)
+ {
+ dest[0] = '\0'; /* '\0' is the multibyte representation of L'\0' */
+ return dest;
+ }
+
+ /* Reset multibyte characters to their initial state. */
+ (void) mblen ((char *) NULL, 0);
+
+ do
+ {
+ src += clen;
+ clen = mblen (src, MB_CUR_MAX);
+ }
+ while (clen > 0 && ++len < n);
+
+ (void) memcpy ((void *) dest, (void *) s, src - s);
+ dest[src - s] = '\0'; /* '\0' is the multibyte representation of L'\0' */
+
+ return dest;
+}
+