mirror of
https://github.com/cryb-to/cryb-to.git
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149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
/*-
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* Copyright (c) 2014-2017 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <cryb/strlcpy.h>
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#include <cryb/test.h>
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typedef size_t (*strlcpy_f)(char *, const char *, size_t);
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#define T_MAGIC_STR "squeamish ossifrage"
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#define T_MAGIC_LEN (sizeof(T_MAGIC_STR) - 1)
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#define T_BUFSIZE (T_MAGIC_LEN + 1 + T_MAGIC_LEN + 1)
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#define T_CANARY 0x7f
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struct t_case {
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const char *desc;
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const char *in;
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const char *out;
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size_t sz;
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};
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/***************************************************************************
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* Test cases
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*/
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static struct t_case t_cases[] = {
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{
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.desc = "empty",
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.in = "",
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.out = "",
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.sz = 0,
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},
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{
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.desc = "short",
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.in = T_MAGIC_STR,
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.out = T_MAGIC_STR,
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.sz = T_MAGIC_LEN,
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},
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{
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.desc = "full",
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.in = T_MAGIC_STR " " T_MAGIC_STR,
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.out = T_MAGIC_STR " " T_MAGIC_STR,
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.sz = T_BUFSIZE - 1,
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},
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{
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.desc = "overflow",
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.in = T_MAGIC_STR " " T_MAGIC_STR " " T_MAGIC_STR,
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.out = T_MAGIC_STR " " T_MAGIC_STR,
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.sz = T_MAGIC_LEN + 1 + T_MAGIC_LEN + 1 + T_MAGIC_LEN,
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},
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};
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/***************************************************************************
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* Test function
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*/
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static int
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t_strlcpy(strlcpy_f func, const struct t_case *t)
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{
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char buf[T_BUFSIZE + 1];
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size_t sz;
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memset(buf, T_CANARY, sizeof buf);
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sz = func(buf, t->in, T_BUFSIZE);
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if (buf[T_BUFSIZE] != T_CANARY) {
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t_printv("buffer overflow\n");
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return (0);
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}
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return (t_compare_sz(t->sz, sz) & t_compare_str(t->out, buf));
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}
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static int
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t_cryb_strlcpy(char **desc CRYB_UNUSED, void *arg)
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{
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const struct t_case *t = arg;
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return (t_strlcpy(cryb_strlcpy, t));
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}
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#if HAVE_STRLCPY
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static int
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t_libc_strlcpy(char **desc CRYB_UNUSED, void *arg)
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{
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const struct t_case *t = arg;
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return (t_strlcpy(strlcpy, t));
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}
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#endif
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/***************************************************************************
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* Boilerplate
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*/
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static int
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t_prepare(int argc, char *argv[])
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{
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int i, n;
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(void)argc;
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(void)argv;
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n = sizeof t_cases / sizeof t_cases[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_cryb_strlcpy, &t_cases[i],
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"%s (cryb)", t_cases[i].desc);
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#if HAVE_STRLCPY
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for (i = 0; i < n; ++i)
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t_add_test(t_libc_strlcpy, &t_cases[i],
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"%s (libc)", t_cases[i].desc);
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#endif
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return (0);
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}
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int
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main(int argc, char *argv[])
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{
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t_main(t_prepare, NULL, argc, argv);
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}
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