002
07.12.2006, 13:41 Uhr
0xdeadbeef
Gott
(Operator)
|
Rund über den Daumen so:
| C++: |
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(*x))
static struct {
char const *const str;
int num;
} const months[] = {
{ "jan", 0 },
{ "feb", 1 },
{ "mar", 2 },
{ "apr", 3 },
{ "may", 4 },
{ "jun", 5 },
{ "jul", 6 },
{ "aug", 7 },
{ "sep", 8 },
{ "oct", 9 }, { "okt", 9 },
{ "nov", 10 },
{ "dec", 11 }, { "dez", 11 }
};
void make_lower(char *dest, char const *src) {
while(*dest++ = tolower(*src++));
}
int map_month(char const *str) {
int i;
for(i = 0; i < ARRAY_SIZE(months); ++i) {
if(!strcmp(str, months[i].str))
return months[i].num;
}
return -1;
}
int main(void) {
static char const *const input = "25/Feb/2006:01:00:18 +0100";
struct tm my_tm = { 0 };
char month[4];
char month_lower[4];
char tz_sign;
int timezone;
time_t timestamp;
sscanf(input,
"%d/%3s/%d:%d:%d:%d %c%d",
&my_tm.tm_mday,
month,
&my_tm.tm_year,
&my_tm.tm_hour,
&my_tm.tm_min,
&my_tm.tm_sec,
&tz_sign,
&timezone);
timezone /= 100;
if(tz_sign == '-') timezone = -timezone;
my_tm.tm_hour -= timezone;
make_lower(month_lower, month);
my_tm.tm_mon = map_month(month_lower);
timestamp = mktime(&my_tm);
printf("%d\n", timestamp);
return 0;
}
|
--
Einfachheit ist Voraussetzung für Zuverlässigkeit.
-- Edsger Wybe Dijkstra |
