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Provide strlcmp(3) internally on systems that don't already have it. 

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@475 185d5e19-27fe-0310-9dcf-9bff6b9f3609
This commit is contained in:
Dag-Erling Smørgrav 2011-11-03 15:29:24 +00:00
parent f229d69d05
commit 9b234e1f88
3 changed files with 48 additions and 2 deletions
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2
configure.ac
View File

@ -83,7 +83,7 @@ AM_CONDITIONAL([WITH_SU], [test x"$with_su" = x"yes"])
AC_CHECK_HEADERS([crypt.h])
AC_CHECK_FUNCS([fpurge])
AC_CHECK_FUNCS([fpurge strlcmp])
saved_LIBS="${LIBS}"
LIBS=""

2
lib/Makefile.am
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@ -6,7 +6,7 @@ INCLUDES = -I$(top_srcdir)/include
lib_LTLIBRARIES = libpam.la
noinst_HEADERS = openpam_impl.h
noinst_HEADERS = openpam_impl.h openpam_strlcmp.h
libpam_la_SOURCES = \
openpam_borrow_cred.c \

46
lib/openpam_strlcmp.h Normal file
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@ -0,0 +1,46 @@
/*-
* Copyright (c) 2011 Dag-Erling Smørgrav
* All rights reserved.
*
* 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
* in this position and unchanged.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Id$
*/
#ifndef OPENPAM_STRLCMP_H_INCLUDED
#define OPENPAM_STRLCMP_H_INCLUDED
#ifndef HAVE_STRLCMP
/* like strcmp(3), but verifies that the entirety of s1 was matched */
static int
strlcmp(const char *s1, const char *s2, size_t len)
{
for (; len && *s1 && *s2; --len, ++s1, ++s2)
if (*s1 != *s2)
return ((unsigned char)*s1 - (unsigned char)*s2);
return ((unsigned char)*s1);
}
#endif
#endif