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43cc2463d2
* lib/xstrndup.c, lib/strchr.c: New, stolen from the Fileutils 4.1. * lib/Makefile.am (libbison_a_SOURCES): Adjust. * configure.in: Check for the presence of memrchr, strchr, strnlen, and of their prototypes. Don't check for strndup: we no longer use it. * src/system.h: Adjust the prototypes.
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/* Copyright (C) 2001 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if STDC_HEADERS || HAVE_STRING_H
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# include <string.h>
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#else
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# include <strings.h>
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#endif
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#include <sys/types.h>
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#include "xalloc.h"
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#ifndef HAVE_DECL_STRNLEN
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"this configure-time declaration test was not run"
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#endif
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#if !HAVE_DECL_STRNLEN
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size_t strnlen ();
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#endif
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char *xstrndup (const char *s, size_t n);
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char *
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xstrndup (const char *s, size_t n)
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{
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size_t len = strnlen (s, n);
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char *new = xmalloc (len + 1);
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if (new == NULL)
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return NULL;
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new[len] = '\0';
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return (char *) memcpy (new, s, len);
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}
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