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-rw-r--r--lib/sh/strnlen.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/sh/strnlen.c b/lib/sh/strnlen.c
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+/* Copyright (C) 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if !defined (HAVE_STRNLEN)
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include <stdc.h>
+
+/* Find the length of S, but scan at most MAXLEN characters. If no '\0'
+ terminator is found within the first MAXLEN characters, return MAXLEN. */
+size_t
+strnlen (s, maxlen)
+ register const char *s;
+ size_t maxlen;
+{
+ register const char *e;
+ size_t n;
+
+ for (e = s, n = 0; *e && n < maxlen; e++, n++)
+ ;
+ return n;
+}
+#endif