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-rw-r--r--libltdl/lt__strl.c127
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diff --git a/libltdl/lt__strl.c b/libltdl/lt__strl.c
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--- a/libltdl/lt__strl.c
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-/* lt__strl.c -- size-bounded string copying and concatenation
-
- Copyright (C) 2004 Free Software Foundation, Inc.
- Written by Bob Friesenhahn, 2004
-
- NOTE: The canonical source of this file is maintained with the
- GNU Libtool package. Report bugs to bug-libtool@gnu.org.
-
-GNU Libltdl is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2 of the License, or (at your option) any later version.
-
-As a special exception to the GNU Lesser General Public License,
-if you distribute this file as part of a program or library that
-is built using GNU Libtool, you may include this file under the
-same distribution terms that you use for the rest of that program.
-
-GNU Libltdl 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 Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with GNU Libltdl; see the file COPYING.LIB. If not, a
-copy can be downloaded from http://www.gnu.org/licenses/lgpl.html,
-or obtained by writing to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*/
-
-#include <assert.h>
-#include <string.h>
-
-#include "lt__strl.h"
-
-/*
- lt_strlcat appends the NULL-terminated string src to the end of dst.
- It will append at most dstsize - strlen(dst) - 1 bytes,
- NULL-terminating the result. The total length of the string which
- would have been created given sufficient buffer size (may be longer
- than dstsize) is returned. This function substitutes for strlcat()
- which is available under NetBSD, FreeBSD and Solaris 9.
-
- Buffer overflow can be checked as follows:
-
- if (lt_strlcat(dst, src, dstsize) >= dstsize)
- return -1;
-*/
-#if !defined(HAVE_STRLCAT)
-size_t
-lt_strlcat(char *dst, const char *src, const size_t dstsize)
-{
- size_t length;
- char *p;
- const char *q;
-
- assert(dst != NULL);
- assert(src != (const char *) NULL);
- assert(dstsize >= 1);
-
- length=strlen(dst);
-
- /*
- Copy remaining characters from src while constraining length to
- size - 1.
- */
- for ( p = dst + length, q = src;
- (*q != 0) && (length < dstsize - 1) ;
- length++, p++, q++ )
- *p = *q;
-
- dst[length]='\0';
-
- /*
- Add remaining length of src to length.
- */
- while (*q++)
- length++;
-
- return length;
-}
-#endif /* !defined(HAVE_STRLCAT) */
-
-/*
- lt_strlcpy copies up to dstsize - 1 characters from the NULL-terminated
- string src to dst, NULL-terminating the result. The total length of
- the string which would have been created given sufficient buffer
- size (may be longer than dstsize) is returned. This function
- substitutes for strlcpy() which is available under OpenBSD, FreeBSD
- and Solaris 9.
-
- Buffer overflow can be checked as follows:
-
- if (lt_strlcpy(dst, src, dstsize) >= dstsize)
- return -1;
-*/
-#if !defined(HAVE_STRLCPY)
-size_t
-lt_strlcpy(char *dst, const char *src, const size_t dstsize)
-{
- size_t length=0;
- char *p;
- const char *q;
-
- assert(dst != NULL);
- assert(src != (const char *) NULL);
- assert(dstsize >= 1);
-
- /*
- Copy src to dst within bounds of size-1.
- */
- for ( p=dst, q=src, length=0 ;
- (*q != 0) && (length < dstsize-1) ;
- length++, p++, q++ )
- *p = *q;
-
- dst[length]='\0';
-
- /*
- Add remaining length of src to length.
- */
- while (*q++)
- length++;
-
- return length;
-}
-#endif /* !defined(HAVE_STRLCPY) */