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gnupg/common/t-stringhelp.c

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/* t-stringhelp.c - Regression tests for stringhelp.c
* Copyright (C) 2007 Free Software Foundation, Inc.
* 2015 g10 Code GmbH
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify it
* under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* or both in parallel, as here.
*
* GnuPG 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
* General Public License for more details.
*
* You should have received a copies of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#include <unistd.h>
#include <sys/types.h>
#include "stringhelp.h"
#include "t-support.h"
static char *home_buffer;
const char *
gethome (void)
{
if (!home_buffer)
{
char *home = getenv("HOME");
if(home)
home_buffer = xstrdup (home);
#if defined(HAVE_GETPWUID) && defined(HAVE_PWD_H)
else
{
struct passwd *pwd;
pwd = getpwuid (getuid());
if (pwd)
home_buffer = xstrdup (pwd->pw_dir);
}
#endif
}
return home_buffer;
}
static char *
mygetcwd (void)
{
char *buffer;
size_t size = 100;
for (;;)
{
buffer = xmalloc (size+1);
#ifdef HAVE_W32CE_SYSTEM
strcpy (buffer, "/"); /* Always "/". */
return buffer;
#else
if (getcwd (buffer, size) == buffer)
return buffer;
xfree (buffer);
if (errno != ERANGE)
{
fprintf (stderr,"error getting current cwd: %s\n",
strerror (errno));
exit (2);
}
size *= 2;
#endif
}
}
static void
test_percent_escape (void)
{
char *result;
static struct {
const char *extra;
const char *value;
const char *expected;
} tests[] =
{
{ NULL, "", "" },
{ NULL, "%", "%25" },
{ NULL, "%%", "%25%25" },
{ NULL, " %", " %25" },
{ NULL, ":", "%3a" },
{ NULL, " :", " %3a" },
{ NULL, ": ", "%3a " },
{ NULL, " : ", " %3a " },
{ NULL, "::", "%3a%3a" },
{ NULL, ": :", "%3a %3a" },
{ NULL, "%:", "%25%3a" },
{ NULL, ":%", "%3a%25" },
{ "\\\n:", ":%", "%3a%25" },
{ "\\\n:", "\\:%", "%5c%3a%25" },
{ "\\\n:", "\n:%", "%0a%3a%25" },
{ "\\\n:", "\xff:%", "\xff%3a%25" },
{ "\\\n:", "\xfe:%", "\xfe%3a%25" },
{ "\\\n:", "\x01:%", "\x01%3a%25" },
{ "\x01", "\x01:%", "%01%3a%25" },
{ "\xfe", "\xfe:%", "%fe%3a%25" },
{ "\xfe", "\xff:%", "\xff%3a%25" },
{ NULL, NULL, NULL }
};
int testno;
result = percent_escape (NULL, NULL);
if (result)
fail (0);
for (testno=0; tests[testno].value; testno++)
{
result = percent_escape (tests[testno].value, tests[testno].extra);
if (!result)
fail (testno);
if (strcmp (result, tests[testno].expected))
fail (testno);
xfree (result);
}
}
static void
test_compare_filenames (void)
{
struct {
const char *a;
const char *b;
int result;
} tests[] = {
{ "", "", 0 },
{ "", "a", -1 },
{ "a", "", 1 },
{ "a", "a", 0 },
{ "a", "aa", -1 },
{ "aa", "a", 1 },
{ "a", "b", -1 },
#ifdef HAVE_W32_SYSTEM
{ "a", "A", 0 },
{ "A", "a", 0 },
{ "foo/bar", "foo\\bar", 0 },
{ "foo\\bar", "foo/bar", 0 },
{ "foo\\", "foo/", 0 },
{ "foo/", "foo\\", 0 },
#endif /*HAVE_W32_SYSTEM*/
{ NULL, NULL, 0}
};
int testno, result;
for (testno=0; tests[testno].a; testno++)
{
result = compare_filenames (tests[testno].a, tests[testno].b);
result = result < 0? -1 : result > 0? 1 : 0;
if (result != tests[testno].result)
fail (testno);
}
}
static void
test_strconcat (void)
{
char *out;
out = strconcat ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", NULL);
if (!out)
fail (0);
else
xfree (out);
out = strconcat ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", NULL);
if (out)
fail (0);
else if (errno != EINVAL)
fail (0);
out = strconcat ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", NULL);
if (out)
fail (0);
else if (errno != EINVAL)
fail (0);
#if __GNUC__ < 4 /* gcc 4.0 has a sentinel attribute. */
out = strconcat (NULL);
if (!out || *out)
fail (1);
#endif
out = strconcat (NULL, NULL);
if (!out || *out)
fail (1);
out = strconcat ("", NULL);
if (!out || *out)
fail (1);
xfree (out);
out = strconcat ("", "", NULL);
if (!out || *out)
fail (2);
xfree (out);
out = strconcat ("a", "b", NULL);
if (!out || strcmp (out, "ab"))
fail (3);
xfree (out);
out = strconcat ("a", "b", "c", NULL);
if (!out || strcmp (out, "abc"))
fail (3);
xfree (out);
out = strconcat ("a", "b", "cc", NULL);
if (!out || strcmp (out, "abcc"))
fail (4);
xfree (out);
out = strconcat ("a1", "b1", "c1", NULL);
if (!out || strcmp (out, "a1b1c1"))
fail (4);
xfree (out);
out = strconcat ("", " long b ", "", "--even-longer--", NULL);
if (!out || strcmp (out, " long b --even-longer--"))
fail (5);
xfree (out);
out = strconcat ("", " long b ", "", "--even-longer--", NULL);
if (!out || strcmp (out, " long b --even-longer--"))
fail (5);
xfree (out);
}
static void
test_xstrconcat (void)
{
char *out;
out = xstrconcat ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", NULL);
if (!out)
fail (0);
#if __GNUC__ < 4 /* gcc 4.0 has a sentinel attribute. */
out = xstrconcat (NULL);
if (!out)
fail (1);
#endif
out = xstrconcat (NULL, NULL);
if (!out)
fail (1);
out = xstrconcat ("", NULL);
if (!out || *out)
fail (1);
xfree (out);
out = xstrconcat ("", "", NULL);
if (!out || *out)
fail (2);
xfree (out);
out = xstrconcat ("a", "b", NULL);
if (!out || strcmp (out, "ab"))
fail (3);
xfree (out);
out = xstrconcat ("a", "b", "c", NULL);
if (!out || strcmp (out, "abc"))
fail (3);
xfree (out);
out = xstrconcat ("a", "b", "cc", NULL);
if (!out || strcmp (out, "abcc"))
fail (4);
xfree (out);
out = xstrconcat ("a1", "b1", "c1", NULL);
if (!out || strcmp (out, "a1b1c1"))
fail (4);
xfree (out);
out = xstrconcat ("", " long b ", "", "--even-longer--", NULL);
if (!out || strcmp (out, " long b --even-longer--"))
fail (5);
xfree (out);
out = xstrconcat ("", " long b ", "", "--even-longer--", NULL);
if (!out || strcmp (out, " long b --even-longer--"))
fail (5);
xfree (out);
}
static void
test_make_filename_try (void)
{
char *out;
const char *home = gethome ();
size_t homelen = home? strlen (home):0;
out = make_filename_try ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", NULL);
if (out)
fail (0);
else if (errno != EINVAL)
fail (0);
xfree (out);
out = make_filename_try ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", NULL);
if (out)
fail (0);
else if (errno != EINVAL)
fail (0);
xfree (out);
out = make_filename_try ("1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"1", "2", NULL);
if (!out || strcmp (out,
"1/2/3/4/5/6/7/8/9/10/"
"1/2/3/4/5/6/7/8/9/10/"
"1/2/3/4/5/6/7/8/9/10/"
"1/2"))
fail (0);
xfree (out);
out = make_filename_try ("foo", "~/bar", "baz/cde", NULL);
if (!out || strcmp (out, "foo/~/bar/baz/cde"))
fail (1);
xfree (out);
out = make_filename_try ("foo", "~/bar", "baz/cde/", NULL);
if (!out || strcmp (out, "foo/~/bar/baz/cde/"))
fail (1);
xfree (out);
out = make_filename_try ("/foo", "~/bar", "baz/cde/", NULL);
if (!out || strcmp (out, "/foo/~/bar/baz/cde/"))
fail (1);
xfree (out);
out = make_filename_try ("//foo", "~/bar", "baz/cde/", NULL);
if (!out || strcmp (out, "//foo/~/bar/baz/cde/"))
fail (1);
xfree (out);
out = make_filename_try ("", "~/bar", "baz/cde", NULL);
if (!out || strcmp (out, "/~/bar/baz/cde"))
fail (1);
xfree (out);
out = make_filename_try ("~/foo", "bar", NULL);
if (!out)
fail (2);
if (home)
{
if (strlen (out) < homelen + 7)
fail (2);
if (strncmp (out, home, homelen))
fail (2);
if (strcmp (out+homelen, "/foo/bar"))
fail (2);
}
else
{
if (strcmp (out, "~/foo/bar"))
fail (2);
}
xfree (out);
out = make_filename_try ("~", "bar", NULL);
if (!out)
fail (2);
if (home)
{
if (strlen (out) < homelen + 3)
fail (2);
if (strncmp (out, home, homelen))
fail (2);
if (strcmp (out+homelen, "/bar"))
fail (2);
}
else
{
if (strcmp (out, "~/bar"))
fail (2);
}
xfree (out);
}
static void
test_make_absfilename_try (void)
{
char *out;
char *cwd = mygetcwd ();
size_t cwdlen = strlen (cwd);
out = make_absfilename_try ("foo", "bar", NULL);
if (!out)
fail (0);
if (strlen (out) < cwdlen + 7)
fail (0);
if (strncmp (out, cwd, cwdlen))
fail (0);
if (strcmp (out+cwdlen, "/foo/bar"))
fail (0);
xfree (out);
out = make_absfilename_try ("./foo", NULL);
if (!out)
fail (1);
if (strlen (out) < cwdlen + 5)
fail (1);
if (strncmp (out, cwd, cwdlen))
fail (1);
if (strcmp (out+cwdlen, "/./foo"))
fail (1);
xfree (out);
out = make_absfilename_try (".", NULL);
if (!out)
fail (2);
if (strlen (out) < cwdlen)
fail (2);
if (strncmp (out, cwd, cwdlen))
fail (2);
if (strcmp (out+cwdlen, ""))
fail (2);
xfree (out);
xfree (cwd);
}
static void
test_strsplit (void)
{
struct {
const char *s;
char delim;
char replacement;
const char *fields_expected[10];
} tv[] = {
{
"a:bc:cde:fghi:jklmn::foo:", ':', '\0',
{ "a", "bc", "cde", "fghi", "jklmn", "", "foo", "", NULL }
},
{
",a,bc,,def,", ',', '!',
{ "!a!bc!!def!", "a!bc!!def!", "bc!!def!", "!def!", "def!", "", NULL }
},
{
"", ':', ',',
{ "", NULL }
}
};
int tidx;
for (tidx = 0; tidx < DIM(tv); tidx++)
{
char *s2;
int field_count;
char **fields;
int field_count_expected;
int i;
/* Count the fields. */
for (field_count_expected = 0;
tv[tidx].fields_expected[field_count_expected];
field_count_expected ++)
;
/* We need to copy s since strsplit modifies it in place. */
s2 = xstrdup (tv[tidx].s);
fields = strsplit (s2, tv[tidx].delim, tv[tidx].replacement,
&field_count);
if (field_count != field_count_expected)
fail (tidx * 1000);
for (i = 0; i < field_count_expected; i ++)
if (strcmp (tv[tidx].fields_expected[i], fields[i]) != 0)
{
printf ("For field %d, expected '%s', but got '%s'\n",
i, tv[tidx].fields_expected[i], fields[i]);
fail (tidx * 1000 + i + 1);
}
xfree (s2);
}
}
int
main (int argc, char **argv)
{
(void)argc;
(void)argv;
test_percent_escape ();
test_compare_filenames ();
test_strconcat ();
test_xstrconcat ();
test_make_filename_try ();
test_make_absfilename_try ();
test_strsplit ();
xfree (home_buffer);
return 0;
}
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