Commit cdbb9d05 authored by Guillem Jover's avatar Guillem Jover

test: Add new strnstr() unit test

parent 0365d0ef
......@@ -18,3 +18,4 @@ progname
setmode
strl
strmode
strnstr
......@@ -46,6 +46,7 @@ check_PROGRAMS = \
setmode \
strl \
strmode \
strnstr \
$(nil)
if HAVE_LIBTESTU01
......
/*
* Copyright © 2017 Guillem Jover <guillem@hadrons.org>
*
* 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.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``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 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.
*/
#include <assert.h>
#include <string.h>
int
main(int argc, char **argv)
{
const char *large = "foo bar baz";
const char *small = "bar";
assert(strnstr(large, "", strlen(large)) == large);
assert(strnstr(large, "quux", strlen(large)) == NULL);
assert(strnstr(large, small, 4) == NULL);
assert(strnstr(large, small, strlen(large)) == (large + 4));
return 0;
}
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