On Sat, 18 Oct 2014, Vittorio Giovara wrote:

From: Michael Niedermayer <[email protected]>

CC: [email protected]
Bug-Id: CID 1135748
---
libavformat/hdsenc.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/libavformat/hdsenc.c b/libavformat/hdsenc.c
index 53fef33..f41381d 100644
--- a/libavformat/hdsenc.c
+++ b/libavformat/hdsenc.c
@@ -204,7 +204,10 @@ static int write_manifest(AVFormatContext *s, int final)
    avio_printf(out, "</manifest>\n");
    avio_flush(out);
    avio_close(out);
-    rename(temp_filename, filename);
+    if (rename(temp_filename, filename) == -1) {
+        av_log(s, AV_LOG_ERROR, "failed to rename file %s to %s\n", 
temp_filename, filename);
+        return AVERROR(errno);
+    }
    return 0;
}

@@ -286,7 +289,10 @@ static int write_abst(AVFormatContext *s, OutputStream 
*os, int final)
    update_size(out, afrt_pos);
    update_size(out, 0);
    avio_close(out);
-    rename(temp_filename, filename);
+    if (rename(temp_filename, filename) == -1) {
+        av_log(s, AV_LOG_ERROR, "failed to rename file %s to %s\n", 
temp_filename, filename);
+        return AVERROR(errno);
+    }
    return 0;
}

@@ -481,7 +487,10 @@ static int hds_flush(AVFormatContext *s, OutputStream *os, 
int final,

    snprintf(target_filename, sizeof(target_filename),
             "%s/stream%dSeg1-Frag%d", s->filename, index, os->fragment_index);
-    rename(os->temp_filename, target_filename);
+    if (rename(os->temp_filename, target_filename) == -1) {
+        av_log(s, AV_LOG_ERROR, "failed to rename file %s to %s\n", 
os->temp_filename, target_filename);
+        return AVERROR(errno);
+    }
    add_fragment(os, target_filename, os->frag_start_ts, end_ts - 
os->frag_start_ts);

    if (!final) {
--
1.9.3 (Apple Git-50)

Sure, ok.

A failure here wouldn't be fatal for the muxer in the sense that it wouldn't make the muxer crash, and if a rename fails, some of the other file output functions also most probably would fail, but I don't mind adding checks.

// Martin
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