X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fcutils.c;h=f58e152cac03a70ae832b2f64bab433c98449418;hb=87199d34db5d79ad85c0801b29db0709c08f458c;hp=06c941112fd267328fea4d0e19d80cae79a59fca;hpb=34359cab0db34b1ad840a9ca409f7ef1623a3558;p=ffmpeg

diff --git a/libavformat/cutils.c b/libavformat/cutils.c
index 06c941112fd..f58e152cac0 100644
--- a/libavformat/cutils.c
+++ b/libavformat/cutils.c
@@ -1,30 +1,32 @@
 /*
- * Various simple utilities for ffmpeg system
+ * various simple utilities for libavformat
  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "avformat.h"
+#include "internal.h"
 
 /* add one element to a dynamic array */
-void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem)
+void ff_dynarray_add(intptr_t **tab_ptr, int *nb_ptr, intptr_t elem)
 {
+    /* see similar avconv.c:grow_array() */
     int nb, nb_alloc;
-    unsigned long *tab;
+    intptr_t *tab;
 
     nb = *nb_ptr;
     tab = *tab_ptr;
@@ -33,38 +35,19 @@ void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem)
             nb_alloc = 1;
         else
             nb_alloc = nb * 2;
-        tab = av_realloc(tab, nb_alloc * sizeof(unsigned long));
+        tab = av_realloc(tab, nb_alloc * sizeof(intptr_t));
         *tab_ptr = tab;
     }
     tab[nb++] = 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)
 
 /* 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)
+struct tm *ff_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 };
@@ -77,11 +60,12 @@ struct tm *brktimegm(time_t secs, struct tm *tm)
 
     /* oh well, may be someone some day will invent a formula for this stuff */
     y = 1970; /* start "guessing" */
-    while (days >= (ISLEAP(y)?366:365)) {
+    while (days > 365) {
         ny = (y + days/366);
         days -= (ny - y) * 365 + LEAPS_COUNT(ny - 1) - LEAPS_COUNT(y - 1);
         y = ny;
     }
+    if (days==365 && !ISLEAP(y)) { days=0; y++; }
     md[1] = ISLEAP(y)?29:28;
     for (m=0; days >= md[m]; m++)
          days -= md[m];
@@ -92,94 +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;
-}
-