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glibc/time/tst-strftime.c
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <time.h> | |
static int | |
do_bz18985 (void) | |
{ | |
char buf[1000]; | |
struct tm ttm; | |
int rc, ret = 0; | |
memset (&ttm, 1, sizeof (ttm)); | |
ttm.tm_zone = NULL; /* Dereferenced directly if non-NULL. */ | |
rc = strftime (buf, sizeof (buf), "%a %A %b %B %c %z %Z", &ttm); | |
if (rc == 66) | |
{ | |
const char expected[] | |
= "? ? ? ? ? ? 16843009 16843009:16843009:16843009 16844909 +467836 ?"; | |
if (0 != strcmp (buf, expected)) | |
{ | |
printf ("expected:\n %s\ngot:\n %s\n", expected, buf); | |
ret += 1; | |
} | |
} | |
else | |
{ | |
printf ("expected 66, got %d\n", rc); | |
ret += 1; | |
} | |
/* Check negative values as well. */ | |
memset (&ttm, 0xFF, sizeof (ttm)); | |
ttm.tm_zone = NULL; /* Dereferenced directly if non-NULL. */ | |
rc = strftime (buf, sizeof (buf), "%a %A %b %B %c %z %Z", &ttm); | |
if (rc == 30) | |
{ | |
const char expected[] = "? ? ? ? ? ? -1 -1:-1:-1 1899 "; | |
if (0 != strcmp (buf, expected)) | |
{ | |
printf ("expected:\n %s\ngot:\n %s\n", expected, buf); | |
ret += 1; | |
} | |
} | |
else | |
{ | |
printf ("expected 30, got %d\n", rc); | |
ret += 1; | |
} | |
return ret; | |
} | |
static struct | |
{ | |
const char *fmt; | |
size_t min; | |
size_t max; | |
} tests[] = | |
{ | |
{ "%2000Y", 2000, 4000 }, | |
{ "%02000Y", 2000, 4000 }, | |
{ "%_2000Y", 2000, 4000 }, | |
{ "%-2000Y", 2000, 4000 }, | |
}; | |
#define ntests (sizeof (tests) / sizeof (tests[0])) | |
static int | |
do_test (void) | |
{ | |
size_t cnt; | |
int result = 0; | |
time_t tnow = time (NULL); | |
struct tm *now = localtime (&tnow); | |
for (cnt = 0; cnt < ntests; ++cnt) | |
{ | |
size_t size = 0; | |
int res; | |
char *buf = NULL; | |
do | |
{ | |
size += 500; | |
buf = (char *) realloc (buf, size); | |
if (buf == NULL) | |
{ | |
puts ("out of memory"); | |
exit (1); | |
} | |
res = strftime (buf, size, tests[cnt].fmt, now); | |
if (res != 0) | |
break; | |
} | |
while (size < tests[cnt].max); | |
if (res == 0) | |
{ | |
printf ("%Zu: %s: res == 0 despite size == %Zu\n", | |
cnt, tests[cnt].fmt, size); | |
result = 1; | |
} | |
else if (size < tests[cnt].min) | |
{ | |
printf ("%Zu: %s: size == %Zu was enough\n", | |
cnt, tests[cnt].fmt, size); | |
result = 1; | |
} | |
else | |
printf ("%Zu: %s: size == %Zu: OK\n", cnt, tests[cnt].fmt, size); | |
free (buf); | |
} | |
struct tm ttm = | |
{ | |
/* Initialize the fields which are needed in the tests. */ | |
.tm_mday = 1, | |
.tm_hour = 2 | |
}; | |
const struct | |
{ | |
const char *fmt; | |
const char *exp; | |
size_t n; | |
} ftests[] = | |
{ | |
{ "%-e", "1", 1 }, | |
{ "%-k", "2", 1 }, | |
{ "%-l", "2", 1 }, | |
}; | |
#define nftests (sizeof (ftests) / sizeof (ftests[0])) | |
for (cnt = 0; cnt < nftests; ++cnt) | |
{ | |
char buf[100]; | |
size_t r = strftime (buf, sizeof (buf), ftests[cnt].fmt, &ttm); | |
if (r != ftests[cnt].n) | |
{ | |
printf ("strftime(\"%s\") returned %zu not %zu\n", | |
ftests[cnt].fmt, r, ftests[cnt].n); | |
result = 1; | |
} | |
if (strcmp (buf, ftests[cnt].exp) != 0) | |
{ | |
printf ("strftime(\"%s\") produced \"%s\" not \"%s\"\n", | |
ftests[cnt].fmt, buf, ftests[cnt].exp); | |
result = 1; | |
} | |
} | |
return result + do_bz18985 (); | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |