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lavf: replace rename() with ff_rename()

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The new function wraps errno so that its value is correctly reported
when other functions overwrite it (eg. in case of logging).

CC: libav-stable@libav.org
Bug-Id: CID 1135748
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Luca Barbato 2014-10-20 00:48:49 +02:00 committed by Vittorio Giovara
parent 0b66fb4505
commit 7785ce1c76
3 changed files with 24 additions and 8 deletions
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10
libavformat/hdsenc.c
View File

@ -204,8 +204,7 @@ static int write_manifest(AVFormatContext *s, int final)
avio_printf(out, "</manifest>\n");
avio_flush(out);
avio_close(out);
rename(temp_filename, filename);
return 0;
return ff_rename(temp_filename, filename);
}
static void update_size(AVIOContext *out, int64_t pos)
@ -286,8 +285,7 @@ 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);
return 0;
return ff_rename(temp_filename, filename);
}
static int init_file(AVFormatContext *s, OutputStream *os, int64_t start_ts)
@ -481,7 +479,9 @@ 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);
ret = ff_rename(os->temp_filename, target_filename);
if (ret < 0)
return ret;
add_fragment(os, target_filename, os->frag_start_ts, end_ts - os->frag_start_ts);
if (!final) {

14
libavformat/internal.h
View File

@ -351,4 +351,18 @@ enum AVCodecID ff_get_pcm_codec_id(int bps, int flt, int be, int sflags);
*/
int ff_generate_avci_extradata(AVStream *st);
/**
* Wrap errno on rename() error.
*
* @param oldpath source path
* @param newpath destination path
* @return 0 or AVERROR on failure
*/
static inline int ff_rename(const char *oldpath, const char *newpath)
{
if (rename(oldpath, newpath) == -1)
return AVERROR(errno);
return 0;
}
#endif /* AVFORMAT_INTERNAL_H */

8
libavformat/smoothstreamingenc.c
View File

@ -34,6 +34,7 @@
#include "libavutil/opt.h"
#include "libavutil/avstring.h"
#include "libavutil/file.h"
#include "libavutil/mathematics.h"
#include "libavutil/intreadwrite.h"
@ -282,8 +283,7 @@ static int write_manifest(AVFormatContext *s, int final)
avio_printf(out, "</SmoothStreamingMedia>\n");
avio_flush(out);
avio_close(out);
rename(temp_filename, filename);
return 0;
return ff_rename(temp_filename, filename);
}
static int ism_write_header(AVFormatContext *s)
@ -540,7 +540,9 @@ static int ism_flush(AVFormatContext *s, int final)
snprintf(header_filename, sizeof(header_filename), "%s/FragmentInfo(%s=%"PRIu64")", os->dirname, os->stream_type_tag, start_ts);
snprintf(target_filename, sizeof(target_filename), "%s/Fragments(%s=%"PRIu64")", os->dirname, os->stream_type_tag, start_ts);
copy_moof(s, filename, header_filename, moof_size);
rename(filename, target_filename);
ret = ff_rename(filename, target_filename);
if (ret < 0)
break;
add_fragment(os, target_filename, header_filename, start_ts, duration,
os->cur_start_pos, size);
}