From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavformat/dashenc.c | 28 ++++++++++++----------------
1 file changed, 12 insertions(+), 16 deletions(-)
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 94d4639..f80f6f2 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -1832,28 +1832,24 @@ static void dashenc_delete_file(AVFormatContext *s,
char *filename) {
static int dashenc_delete_segment_file(AVFormatContext *s, const char* file)
{
DASHContext *c = s->priv_data;
- size_t dirname_len, file_len;
- char filename[1024];
-
- dirname_len = strlen(c->dirname);
- if (dirname_len >= sizeof(filename)) {
- av_log(s, AV_LOG_WARNING, "Cannot delete segments as the directory
path is too long: %"PRIu64" characters: %s\n",
- (uint64_t)dirname_len, c->dirname);
- return AVERROR(ENAMETOOLONG);
- }
+ char *filename;
+ AVBPrint buf;
- memcpy(filename, c->dirname, dirname_len);
+ av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
- file_len = strlen(file);
- if ((dirname_len + file_len) >= sizeof(filename)) {
- av_log(s, AV_LOG_WARNING, "Cannot delete segments as the path is too
long: %"PRIu64" characters: %s%s\n",
- (uint64_t)(dirname_len + file_len), c->dirname, file);
- return AVERROR(ENAMETOOLONG);
+ av_bprintf(&buf, "%s%s", c->dirname, file);
+ if (!av_bprint_is_complete(&buf)) {
+ av_bprint_finalize(&buf, NULL);
+ return AVERROR(ENOMEM);
+ }
+ if (av_bprint_finalize(&buf, &filename) < 0) {
+ av_log(s, AV_LOG_WARNING, "Out of memory for filename\n");
+ return AVERROR(ENOMEM);
}
- memcpy(filename + dirname_len, file, file_len + 1); // include the
terminating zero
dashenc_delete_file(s, filename);
+ av_freep(&filename);
return 0;
}
--
2.6.4
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