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igt/drv_hangman: Tidy up assertion failure message

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Because

(drv_hangman:6035) CRITICAL: Failed assertion: !((__extension__
(__builtin_constant_p (l) && ((__builtin_constant_p (tmp) && strlen
(tmp) < ((size_t) (l))) || (__builtin_constant_p (s) && strlen (s) <
((size_t) (l)))) ? __extension__ ({ size_t __s1_len, __s2_len;
(__builtin_constant_p (tmp) && __builtin_constant_p (s) && (__s1_len =
strlen (tmp), __s2_len = strlen (s), (!((size_t)(const void *)((tmp) +
1) - (size_t)(const void *)(tmp) == 1) || __s1_len >= 4) &&
(!((size_t)(const void *)((s) + 1) - (size_t)(const void *)(s) == 1) ||
__s2_len >= 4)) ? __builtin_strcmp (tmp, s) : (__builtin_constant_p
(tmp) && ((size_t)(const void *)((tmp) + 1) - (size_t)(const void
*)(tmp) == 1) && (__s1_len = strlen (tmp), __s1_len < 4) ?
(__builtin_constant_p (s) && ((size_t)(const void *)((s) + 1) -
(size_t)(const void *)(s) == 1) ? __builtin_strcmp (tmp, s) :
(__extension__ ({ const unsigned char *__s2 = (const unsigned char *)
(const char *) (s); int __result = (((const unsigned char *) (const char
*) (tmp))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __result =
(((const unsigned char *) (const char *) (tmp))[1] - __s2[1]); if
(__s1_len > 1 && __result == 0) { __result = (((const unsigned char *)
(const char *) (tmp))[2] - __s2[2]); if (__s1_len > 2 && __result == 0)
__result = (((const unsigned char *) (const char *) (tmp))[3] -
__s2[3]); } } __result; }))) : (__builtin_constant_p (s) &&
((size_t)(const void *)((s) + 1) - (size_t)(const void *)(s) == 1) &&
(__s2_len = strlen (s), __s2_len < 4) ? (__builtin_constant_p (tmp) &&
((size_t)(const void *)((tmp) + 1) - (size_t)(const void *)(tmp) == 1) ?
__builtin_strcmp (tmp, s) : (- (__extension__ ({ const unsigned char
*__s2 = (const unsigned char *) (const char *) (tmp); int __result =
(((const unsigned char *) (const char *) (s))[0] - __s2[0]); if
(__s2_len > 0 && __result == 0) { __result = (((const unsigned char *)
(const char *) (s))[1] - __s2[1]); if (__s2_len > 1 && __result == 0) {
__result = (((const unsigned char *) (const char *) (s))[2] - __s2[2]);
if (__s2_len > 2 && __result == 0) __result = (((const unsigned char *)
(const char *) (s))[3] - __s2[3]); } } __result; })))) :
__builtin_strcmp (tmp, s)))); }) : strncmp (tmp, s, l))) == 0)

is a little hard to understand at a glance.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-02-26 12:47:33 +00:00
parent 430439541c
commit 405b3478d1
1 changed files with 13 additions and 17 deletions
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30
tests/drv_hangman.c
View File

@ -32,11 +32,12 @@
#include <sys/stat.h>
#include <fcntl.h>
#ifndef I915_PARAM_CMD_PARSER_VERSION
#define I915_PARAM_CMD_PARSER_VERSION 28
#endif
static char read_buffer[1024];
static int _read_sysfs(void *dst, int maxlen,
const char* path,
const char *fname)
@ -73,9 +74,7 @@ static int read_sysfs(void *dst, int maxlen, const char *fname)
static void test_sysfs_error_exists(void)
{
char tmp[1024];
igt_assert_lt(0, read_sysfs(tmp, sizeof(tmp), "error"));
igt_assert_lt(0, read_sysfs(read_buffer, sizeof(read_buffer), "error"));
}
static void test_debugfs_error_state_exists(void)
@ -112,29 +111,26 @@ static void read_dfs(const char *fname, char *d, int maxlen)
igt_debug("dfs entry %s read '%s'\n", fname, d);
}
static void _assert_dfs_entry(const char *fname, const char *s, bool inverse)
static int compare_dfs_entry(const char *fname, const char *s)
{
char tmp[1024];
const int l = min(strlen(s), sizeof(tmp));
const int l = min(strlen(s), sizeof(read_buffer));
read_dfs(fname, tmp, l + 1);
if (!inverse) {
igt_fail_on_f(strncmp(tmp, s, l) != 0,
"contents of %s: '%s' (expected '%s')\n", fname, tmp, s);
} else {
igt_fail_on_f(strncmp(tmp, s, l) == 0,
"contents of %s: '%s' (expected not '%s'\n", fname, tmp, s);
}
read_dfs(fname, read_buffer, l + 1);
return strncmp(read_buffer, s, l);
}
static void assert_dfs_entry(const char *fname, const char *s)
{
_assert_dfs_entry(fname, s, false);
igt_fail_on_f(compare_dfs_entry(fname, s) != 0,
"contents of %s: '%s' (expected '%s')\n",
fname, read_buffer, s);
}
static void assert_dfs_entry_not(const char *fname, const char *s)
{
_assert_dfs_entry(fname, s, true);
igt_fail_on_f(compare_dfs_entry(fname, s) == 0,
"contents of %s: '%s' (expected not '%s'\n",
fname, read_buffer, s);
}
static void assert_error_state_clear(void)