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Deprecate parse_date() in favor of av_parse_time().

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The new av_parse_time() is created in libavutil/parseutils.h, all the
internal functions used by parse_date are moved to
libavutil/parseutils.c and made static.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Stefano Sabatini
2011-02-16 08:52:36 +00:00
committed by Mans Rullgard
parent 610219a598
commit f6c7375a17
8 changed files with 291 additions and 254 deletions
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110
libavformat/cutils.c
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@@ -42,25 +42,6 @@ void ff_dynarray_add(intptr_t **tab_ptr, int *nb_ptr, intptr_t elem)
*nb_ptr = nb;
}
time_t mktimegm(struct tm *tm)
{
time_t t;
int y = tm->tm_year + 1900, m = tm->tm_mon + 1, d = tm->tm_mday;
if (m < 3) {
m += 12;
y--;
}
t = 86400 *
(d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 719469);
t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec;
return t;
}
#define ISLEAP(y) (((y) % 4 == 0) && (((y) % 100) != 0 || ((y) % 400) == 0))
#define LEAPS_COUNT(y) ((y)/4 - (y)/100 + (y)/400)
@@ -95,94 +76,3 @@ struct tm *brktimegm(time_t secs, struct tm *tm)
return tm;
}
/* get a positive number between n_min and n_max, for a maximum length
of len_max. Return -1 if error. */
static int date_get_num(const char **pp,
int n_min, int n_max, int len_max)
{
int i, val, c;
const char *p;
p = *pp;
val = 0;
for(i = 0; i < len_max; i++) {
c = *p;
if (!isdigit(c))
break;
val = (val * 10) + c - '0';
p++;
}
/* no number read ? */
if (p == *pp)
return -1;
if (val < n_min || val > n_max)
return -1;
*pp = p;
return val;
}
/* small strptime for ffmpeg */
const char *small_strptime(const char *p, const char *fmt,
struct tm *dt)
{
int c, val;
for(;;) {
c = *fmt++;
if (c == '\0') {
return p;
} else if (c == '%') {
c = *fmt++;
switch(c) {
case 'H':
val = date_get_num(&p, 0, 23, 2);
if (val == -1)
return NULL;
dt->tm_hour = val;
break;
case 'M':
val = date_get_num(&p, 0, 59, 2);
if (val == -1)
return NULL;
dt->tm_min = val;
break;
case 'S':
val = date_get_num(&p, 0, 59, 2);
if (val == -1)
return NULL;
dt->tm_sec = val;
break;
case 'Y':
val = date_get_num(&p, 0, 9999, 4);
if (val == -1)
return NULL;
dt->tm_year = val - 1900;
break;
case 'm':
val = date_get_num(&p, 1, 12, 2);
if (val == -1)
return NULL;
dt->tm_mon = val - 1;
break;
case 'd':
val = date_get_num(&p, 1, 31, 2);
if (val == -1)
return NULL;
dt->tm_mday = val;
break;
case '%':
goto match;
default:
return NULL;
}
} else {
match:
if (c != *p)
return NULL;
p++;
}
}
return p;
}