From 68fa549230af35179df2a2af2bdb84ee6c825bed Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 25 Dec 2014 12:38:20 +0100 Subject: [PATCH] avformat/segment: Use av_freep() avoid leaving stale pointers in memory Signed-off-by: Michael Niedermayer --- libavformat/segment.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/libavformat/segment.c b/libavformat/segment.c index 2cad6e3dab..56ffcdcd7c 100644 --- a/libavformat/segment.c +++ b/libavformat/segment.c @@ -343,7 +343,7 @@ static int segment_end(AVFormatContext *s, int write_trailer, int is_last) if (seg->list_size && seg->segment_count >= seg->list_size) { entry = seg->segment_list_entries; seg->segment_list_entries = seg->segment_list_entries->next; - av_free(entry->filename); + av_freep(&entry->filename); av_freep(&entry); } @@ -501,10 +501,10 @@ static int open_null_ctx(AVIOContext **ctx) return 0; } -static void close_null_ctx(AVIOContext *pb) +static void close_null_ctxp(AVIOContext **pb) { - av_free(pb->buffer); - av_free(pb); + av_freep(&(*pb)->buffer); + av_freep(pb); } static int select_reference_stream(AVFormatContext *s) @@ -687,7 +687,7 @@ static int seg_write_header(AVFormatContext *s) s->avoid_negative_ts = 1; if (!seg->write_header_trailer) { - close_null_ctx(oc->pb); + close_null_ctxp(&oc->pb); if ((ret = avio_open2(&oc->pb, oc->filename, AVIO_FLAG_WRITE, &s->interrupt_callback, NULL)) < 0) goto fail; @@ -820,7 +820,7 @@ static int seg_write_trailer(struct AVFormatContext *s) goto fail; open_null_ctx(&oc->pb); ret = av_write_trailer(oc); - close_null_ctx(oc->pb); + close_null_ctxp(&oc->pb); } else { ret = segment_end(s, 1, 1); } @@ -836,7 +836,7 @@ fail: cur = seg->segment_list_entries; while (cur) { next = cur->next; - av_free(cur->filename); + av_freep(&cur->filename); av_free(cur); cur = next; }