From: Martin Storsjö <martin@martin.st>
Date: Sat, 2 Oct 2010 21:59:16 +0000 (+0000)
Subject: applehttp: Add comments to make_absolute_url
X-Git-Tag: v0.7b2~2331
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ae8c28db87c5bfb5721a91014a657e56983c6c57;p=coroid%2Flibav_saccubus.git

applehttp: Add comments to make_absolute_url

Originally committed as revision 25319 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavformat/applehttp.c b/libavformat/applehttp.c
index f2f583892..4a4611c9b 100644
--- a/libavformat/applehttp.c
+++ b/libavformat/applehttp.c
@@ -90,18 +90,21 @@ static void make_absolute_url(char *buf, int size, const char *base,
                               const char *rel)
 {
     char *sep;
+    /* If rel actually is an absolute url, just copy it */
     if (!base || strstr(rel, "://") || rel[0] == '/') {
         av_strlcpy(buf, rel, size);
         return;
     }
     if (base != buf)
         av_strlcpy(buf, base, size);
+    /* Remove the file name from the base url */
     sep = strrchr(buf, '/');
     if (sep)
         sep[1] = '\0';
     else
         buf[0] = '\0';
     while (av_strstart(rel, "../", NULL) && sep) {
+        /* Remove the path delimiter at the end */
         sep[0] = '\0';
         sep = strrchr(buf, '/');
         /* If the next directory name to pop off is "..", break here */
@@ -110,6 +113,7 @@ static void make_absolute_url(char *buf, int size, const char *base,
             av_strlcat(buf, "/", size);
             break;
         }
+        /* Cut off the directory name */
         if (sep)
             sep[1] = '\0';
         else