dev/c/dtparser_test/mktime_problem.c

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2011-12-05 19:15:15 +04:00
#define _XOPEN_SOURCE
#include <time.h>
#define __USE_UNIX98
#include <stdio.h>
#include <string.h>
int mktime_test(const char* str)
{
struct tm local_tm, local_tm2;
time_t local_time;
char buffer[128];
memset(buffer, 0, sizeof(buffer));
puts(str);
if (strptime(str, "%Y-%m-%d %H:%M:%S", &local_tm) == NULL)
{
fprintf(stderr, "failed to convert `%s' to struct tm\n", str);
return 1;
}
snprintf(buffer, sizeof(buffer), "%d-%02d-%02d %02d:%02d:%02d",
local_tm.tm_year + 1900, local_tm.tm_mon + 1, local_tm.tm_mday,
local_tm.tm_hour, local_tm.tm_min, local_tm.tm_sec);
puts(buffer);
if (strcmp(str, buffer) != 0)
{
fprintf(stderr, "strptime() failed\n");
return 1;
}
local_tm.tm_isdst = -1;
local_time = mktime(&local_tm);
localtime_r(&local_time, &local_tm2);
snprintf(buffer, sizeof(buffer), "%d-%02d-%02d %02d:%02d:%02d",
local_tm2.tm_year + 1900, local_tm2.tm_mon + 1, local_tm2.tm_mday,
local_tm2.tm_hour, local_tm2.tm_min, local_tm2.tm_sec);
puts(buffer);
if (strcmp(str, buffer) != 0)
{
fprintf(stderr, "mktime() or localtime_r() failed\n");
return 1;
}
return 0;
}
int main()
{
mktime_test("1981-07-01 00:00:00");
mktime_test("1981-07-01 00:00:00");
return 0;
}