* Various simple utilities for ffmpeg system
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
-#if !defined(CONFIG_NOCUTILS)
-/**
- * Return TRUE if val is a prefix of str. If it returns TRUE, ptr is
- * set to the next character in 'str' after the prefix.
- *
- * @param str input string
- * @param val prefix to test
- * @param ptr updated after the prefix in str in there is a match
- * @return TRUE if there is a match
- */
-int strstart(const char *str, const char *val, const char **ptr)
-{
- const char *p, *q;
- p = str;
- q = val;
- while (*q != '\0') {
- if (*p != *q)
- return 0;
- p++;
- q++;
- }
- if (ptr)
- *ptr = p;
- return 1;
-}
-
-/**
- * Return TRUE if val is a prefix of str (case independent). If it
- * returns TRUE, ptr is set to the next character in 'str' after the
- * prefix.
- *
- * @param str input string
- * @param val prefix to test
- * @param ptr updated after the prefix in str in there is a match
- * @return TRUE if there is a match */
-int stristart(const char *str, const char *val, const char **ptr)
-{
- const char *p, *q;
- p = str;
- q = val;
- while (*q != '\0') {
- if (toupper(*(const unsigned char *)p) != toupper(*(const unsigned char *)q))
- return 0;
- p++;
- q++;
- }
- if (ptr)
- *ptr = p;
- return 1;
-}
-
-/**
- * Copy the string str to buf. If str length is bigger than buf_size -
- * 1 then it is clamped to buf_size - 1.
- * NOTE: this function does what strncpy should have done to be
- * useful. NEVER use strncpy.
- *
- * @param buf destination buffer
- * @param buf_size size of destination buffer
- * @param str source string
- */
-void pstrcpy(char *buf, int buf_size, const char *str)
-{
- int c;
- char *q = buf;
-
- if (buf_size <= 0)
- return;
-
- for(;;) {
- c = *str++;
- if (c == 0 || q >= buf + buf_size - 1)
- break;
- *q++ = c;
- }
- *q = '\0';
-}
-
-/* strcat and truncate. */
-char *pstrcat(char *buf, int buf_size, const char *s)
-{
- int len;
- len = strlen(buf);
- if (len < buf_size)
- pstrcpy(buf + len, buf_size - len, s);
- return buf;
-}
-
-#endif
-
/* add one element to a dynamic array */
void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem)
{
y--;
}
- t = 86400 *
+ 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)
+
+/* This is our own gmtime_r. It differs from its POSIX counterpart in a
+ couple of places, though. */
+struct tm *brktimegm(time_t secs, struct tm *tm)
+{
+ int days, y, ny, m;
+ int md[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+
+ days = secs / 86400;
+ secs %= 86400;
+ tm->tm_hour = secs / 3600;
+ tm->tm_min = (secs % 3600) / 60;
+ tm->tm_sec = secs % 60;
+
+ /* oh well, may be someone some day will invent a formula for this stuff */
+ y = 1970; /* start "guessing" */
+ while (days >= (ISLEAP(y)?366:365)) {
+ ny = (y + days/366);
+ days -= (ny - y) * 365 + LEAPS_COUNT(ny - 1) - LEAPS_COUNT(y - 1);
+ y = ny;
+ }
+ md[1] = ISLEAP(y)?29:28;
+ for (m=0; days >= md[m]; m++)
+ days -= md[m];
+
+ tm->tm_year = y; /* unlike gmtime_r we store complete year here */
+ tm->tm_mon = m+1; /* unlike gmtime_r tm_mon is from 1 to 12 */
+ tm->tm_mday = days+1;
+
+ 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,
}
/* small strptime for ffmpeg */
-const char *small_strptime(const char *p, const char *fmt,
+const char *small_strptime(const char *p, const char *fmt,
struct tm *dt)
{
int c, val;
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