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Add functions to read timestamps from ISO images.

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This commit is contained in:
Vreixo Formoso
2007-12-27 00:29:12 +01:00
parent aae230a321
commit dd97f67ee4
3 changed files with 60 additions and 0 deletions
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29
src/util.c
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@ -600,3 +600,32 @@ void iso_datetime_17(unsigned char *buf, time_t t)
buf[16] = tzoffset;
}
}
time_t iso_datetime_read_7(const uint8_t *buf)
{
struct tm tm;
tm.tm_year = buf[0];
tm.tm_mon = buf[1] - 1;
tm.tm_mday = buf[2];
tm.tm_hour = buf[3];
tm.tm_min = buf[4];
tm.tm_sec = buf[5];
return timegm(&tm) - buf[6] * 60 * 15;
}
time_t iso_datetime_read_17(const uint8_t *buf)
{
struct tm tm;
sscanf((char*)&buf[0], "%4d", &tm.tm_year);
sscanf((char*)&buf[4], "%2d", &tm.tm_mon);
sscanf((char*)&buf[6], "%2d", &tm.tm_mday);
sscanf((char*)&buf[8], "%2d", &tm.tm_hour);
sscanf((char*)&buf[10], "%2d", &tm.tm_min);
sscanf((char*)&buf[12], "%2d", &tm.tm_sec);
tm.tm_year -= 1900;
tm.tm_mon -= 1;
return timegm(&tm) - buf[16] * 60 * 15;
}

3
src/util.h
View File

@ -102,6 +102,9 @@ void iso_datetime_7(uint8_t *buf, time_t t);
/** Records the date/time into a 17 byte buffer (ECMA-119, 8.4.26.1) */
void iso_datetime_17(uint8_t *buf, time_t t);
time_t iso_datetime_read_7(const uint8_t *buf);
time_t iso_datetime_read_17(const uint8_t *buf);
typedef struct iso_rbtree IsoRBTree;
/**