[FFmpeg-trac] #8012(undetermined:new): Compilation warnings for GCC 9.1
FFmpeg
trac at avcodec.org
Thu Jul 11 15:33:28 EEST 2019
#8012: Compilation warnings for GCC 9.1
-------------------------------------+-------------------------------------
Reporter: birdie | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
{{{
1.
./libavutil/mem.h:342:1: warning: ‘alloc_size’ attribute ignored on a
function returning ‘int’ [-Wattributes]
342 | av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb,
size_t size);
| ^~~~~~~~~~~~~
2.
libavdevice/v4l2.c: In function ‘v4l2_get_device_list’:
libavdevice/v4l2.c:1050:58: warning: ‘%s’ directive output may be
truncated writing up to 255 bytes into a region of size 251 [-Wformat-
truncation=]
1050 | snprintf(device_name, sizeof(device_name), "/dev/%s",
entry->d_name);
| ^~
libavdevice/v4l2.c:1050:9: note: ‘snprintf’ output between 6 and 261 bytes
into a destination of size 256
1050 | snprintf(device_name, sizeof(device_name), "/dev/%s",
entry->d_name);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3.
libavformat/img2enc.c: In function ‘write_packet’:
libavformat/img2enc.c:118:59: warning: ‘.tmp’ directive output may be
truncated writing 4 bytes into a region of size between 1 and 1024
[-Wformat-truncation=]
118 | snprintf(img->tmp[i], sizeof(img->tmp[i]), "%s.tmp",
filename);
| ^~~~
libavformat/img2enc.c:118:13: note: ‘snprintf’ output between 5 and 1028
bytes into a destination of size 1024
118 | snprintf(img->tmp[i], sizeof(img->tmp[i]), "%s.tmp",
filename);
|
4.
libavformat/ftp.c: In function ‘ftp_move’:
libavformat/ftp.c:1097:46: warning: ‘%s’ directive output may be truncated
writing up to 4095 bytes into a region of size 4091 [-Wformat-truncation=]
1097 | snprintf(command, sizeof(command), "RNTO %s\r\n", path);
| ^~ ~~~~
libavformat/ftp.c:1097:5: note: ‘snprintf’ output between 8 and 4103 bytes
into a destination of size 4096
1097 | snprintf(command, sizeof(command), "RNTO %s\r\n", path);
|
5.
libavformat/dashenc.c: In function ‘flush_init_segment’:
libavformat/dashenc.c:360:49: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
360 | snprintf(filename, sizeof(filename), "%s%s", c->dirname,
os->initfile);
| ^~
libavformat/dashenc.c:360:9: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
360 | snprintf(filename, sizeof(filename), "%s%s", c->dirname,
os->initfile);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c: In function ‘dash_init’:
libavformat/dashenc.c:690:49: warning: ‘snprintf’ output may be truncated
before the last format character [-Wformat-truncation=]
690 | snprintf(as->id, sizeof(as->id), "%d", i);
| ^
libavformat/dashenc.c:690:13: note: ‘snprintf’ output between 2 and 11
bytes into a destination of size 10
690 | snprintf(as->id, sizeof(as->id), "%d", i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c:1056:65: warning: ‘-stream’ directive output may be
truncated writing 7 bytes into a region of size between 1 and 1024
[-Wformat-truncation=]
1056 | snprintf(os->initfile, sizeof(os->initfile),
"%s-stream%d.m4s", basename, i);
|
^~~~~~~
libavformat/dashenc.c:1056:62: note: directive argument in the range [0,
2147483647]
1056 | snprintf(os->initfile, sizeof(os->initfile),
"%s-stream%d.m4s", basename, i);
|
^~~~~~~~~~~~~~~~~
libavformat/dashenc.c:1056:17: note: ‘snprintf’ output between 13 and 1045
bytes into a destination of size 1024
1056 | snprintf(os->initfile, sizeof(os->initfile),
"%s-stream%d.m4s", basename, i);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c:1060:49: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
1060 | snprintf(filename, sizeof(filename), "%s%s", c->dirname,
os->initfile);
| ^~
libavformat/dashenc.c:1060:9: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
1060 | snprintf(filename, sizeof(filename), "%s%s", c->dirname,
os->initfile);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c: In function ‘dash_flush’:
libavformat/dashenc.c:1313:63: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
1313 | snprintf(os->full_path, sizeof(os->full_path), "%s%s",
c->dirname, os->initfile);
| ^~
libavformat/dashenc.c:1313:13: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
1313 | snprintf(os->full_path, sizeof(os->full_path), "%s%s",
c->dirname, os->initfile);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c:1364:61: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
1364 | snprintf(filename, sizeof(filename), "%s%s",
c->dirname, os->segments[j]->file);
| ^~
libavformat/dashenc.c:1364:21: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
1364 | snprintf(filename, sizeof(filename), "%s%s",
c->dirname, os->segments[j]->file);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c:343:49: warning: ‘media_’ directive output may be
truncated writing 6 bytes into a region of size between 1 and 1024
[-Wformat-truncation=]
343 | snprintf(playlist_name, string_size, "%smedia_%d.m3u8",
base_url, id);
| ^~~~~~
libavformat/dashenc.c:343:46: note: directive argument in the range [0,
2147483647]
343 | snprintf(playlist_name, string_size, "%smedia_%d.m3u8",
base_url, id);
| ^~~~~~~~~~~~~~~~~
libavformat/dashenc.c:343:9: note: ‘snprintf’ output between 13 and 1045
bytes into a destination of size 1024
343 | snprintf(playlist_name, string_size, "%smedia_%d.m3u8",
base_url, id);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c:343:49: warning: ‘media_’ directive output may be
truncated writing 6 bytes into a region of size between 1 and 1024
[-Wformat-truncation=]
343 | snprintf(playlist_name, string_size, "%smedia_%d.m3u8",
base_url, id);
| ^~~~~~
libavformat/dashenc.c:343:46: note: directive argument in the range [0,
2147483647]
343 | snprintf(playlist_name, string_size, "%smedia_%d.m3u8",
base_url, id);
| ^~~~~~~~~~~~~~~~~
libavformat/dashenc.c:343:9: note: ‘snprintf’ output between 13 and 1045
bytes into a destination of size 1024
343 | snprintf(playlist_name, string_size, "%smedia_%d.m3u8",
base_url, id);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c:877:61: warning: ‘master.m3u8’ directive output may
be truncated writing 11 bytes into a region of size between 1 and 1024
[-Wformat-truncation=]
877 | snprintf(filename_hls, sizeof(filename_hls),
"%smaster.m3u8", c->dirname);
|
^~~~~~~~~~~
libavformat/dashenc.c:877:13: note: ‘snprintf’ output between 12 and 1035
bytes into a destination of size 1024
877 | snprintf(filename_hls, sizeof(filename_hls),
"%smaster.m3u8", c->dirname);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c: In function ‘dash_write_trailer’:
libavformat/dashenc.c:1538:53: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
1538 | snprintf(filename, sizeof(filename), "%s%s",
c->dirname, os->initfile);
| ^~
libavformat/dashenc.c:1538:13: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
1538 | snprintf(filename, sizeof(filename), "%s%s",
c->dirname, os->initfile);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/dashenc.c: In function ‘dash_write_packet’:
libavformat/dashenc.c:1488:59: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
1488 | snprintf(os->full_path, sizeof(os->full_path), "%s%s",
c->dirname,
| ^~
libavformat/dashenc.c:1488:9: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
1488 | snprintf(os->full_path, sizeof(os->full_path), "%s%s",
c->dirname,
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1489 | os->filename);
| ~~~~~~~~~~~~~
libavformat/dashenc.c:1488:59: warning: ‘%s’ directive output may be
truncated writing up to 1023 bytes into a region of size between 1 and
1024 [-Wformat-truncation=]
1488 | snprintf(os->full_path, sizeof(os->full_path), "%s%s",
c->dirname,
| ^~
libavformat/dashenc.c:1488:9: note: ‘snprintf’ output between 1 and 2047
bytes into a destination of size 1024
1488 | snprintf(os->full_path, sizeof(os->full_path), "%s%s",
c->dirname,
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1489 | os->filename);
|
6.
libavformat/rtsp.c: In function ‘rtp_read_header’:
libavformat/rtsp.c:2500:32: warning: ‘%s’ directive output may be
truncated writing up to 499 bytes into a region of size 486 [-Wformat-
truncation=]
2500 | "v=0\r\nc=IN IP%d %s\r\nm=%s %d RTP/AVP %d\r\n",
| ^~
2501 | addr.ss_family == AF_INET ? 4 : 6, host,
| ~~~~
libavformat/rtsp.c:2500:14: note: directive argument in the range [0, 127]
2500 | "v=0\r\nc=IN IP%d %s\r\nm=%s %d RTP/AVP %d\r\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/rtsp.c:2499:5: note: ‘snprintf’ output between 38 and 555
bytes into a destination of size 500
2499 | snprintf(sdp, sizeof(sdp),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
2500 | "v=0\r\nc=IN IP%d %s\r\nm=%s %d RTP/AVP %d\r\n",
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2501 | addr.ss_family == AF_INET ? 4 : 6, host,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2502 | par->codec_type == AVMEDIA_TYPE_DATA ? "application"
:
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2503 | par->codec_type == AVMEDIA_TYPE_VIDEO ? "video" :
"audio",
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2504 | port, payload_type);
| ~~~~~~~~~~~~~~~~~~~
libavformat/rtsp.c: In function ‘ff_rtsp_make_setup_request’:
libavformat/rtsp.c:1541:30: warning: ‘%s’ directive output may be
truncated writing up to 2047 bytes into a region of size 2037 [-Wformat-
truncation=]
1541 | "Transport: %s\r\n",
| ^~
1542 | transport);
| ~~~~~~~~~
libavformat/rtsp.c:1540:9: note: ‘snprintf’ output between 14 and 2061
bytes into a destination of size 2048
1540 | snprintf(cmd, sizeof(cmd),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
1541 | "Transport: %s\r\n",
| ~~~~~~~~~~~~~~~~~~~~
1542 | transport);
| ~~~~~~~~~~
7.
libavformat/smoothstreamingenc.c: In function ‘ism_flush’:
libavformat/smoothstreamingenc.c:528:49: warning: ‘/temp’ directive output
may be truncated writing 5 bytes into a region of size between 1 and 1024
[-Wformat-truncation=]
528 | snprintf(filename, sizeof(filename), "%s/temp",
os->dirname);
| ^~~~~
libavformat/smoothstreamingenc.c:528:9: note: ‘snprintf’ output between 6
and 1029 bytes into a destination of size 1024
528 | snprintf(filename, sizeof(filename), "%s/temp",
os->dirname);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/smoothstreamingenc.c:544:63: warning: ‘/FragmentInfo(’
directive output may be truncated writing 14 bytes into a region of size
between 1 and 1024 [-Wformat-truncation=]
544 | snprintf(header_filename, sizeof(header_filename),
"%s/FragmentInfo(%s=%"PRIu64")", os->dirname, os->stream_type_tag,
start_ts);
|
^~~~~~~~~~~~~~
libavformat/smoothstreamingenc.c:544:9: note: ‘snprintf’ output 18 or more
bytes (assuming 1041) into a destination of size 1024
544 | snprintf(header_filename, sizeof(header_filename),
"%s/FragmentInfo(%s=%"PRIu64")", os->dirname, os->stream_type_tag,
start_ts);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/smoothstreamingenc.c:545:63: warning: ‘/Fragments(’ directive
output may be truncated writing 11 bytes into a region of size between 1
and 1024 [-Wformat-truncation=]
545 | snprintf(target_filename, sizeof(target_filename),
"%s/Fragments(%s=%"PRIu64")", os->dirname, os->stream_type_tag, start_ts);
|
^~~~~~~~~~~
libavformat/smoothstreamingenc.c:545:9: note: ‘snprintf’ output 15 or more
bytes (assuming 1038) into a destination of size 1024
545 | snprintf(target_filename, sizeof(target_filename),
"%s/Fragments(%s=%"PRIu64")", os->dirname, os->stream_type_tag, start_ts);
|
8.
libavcodec/alac.c: In function ‘allocate_buffers’:
./libavutil/internal.h:142:9: warning: argument 1 value
‘18446744073709551552’ exceeds maximum object size 9223372036854775807
[-Walloc-size-larger-than=]
142 | p = av_malloc(size);\
| ^~~~~~~~~~~~~~~
libavcodec/alac.c:498:9: note: in expansion of macro ‘FF_ALLOC_OR_GOTO’
498 | FF_ALLOC_OR_GOTO(alac->avctx,
alac->predict_error_buffer[ch],
| ^~~~~~~~~~~~~~~~
In file included from ./libavutil/common.h:488,
from ./libavutil/avutil.h:296,
from ./libavutil/opt.h:31,
from libavcodec/alac.c:51:
./libavutil/mem.h:196:7: note: in a call to allocation function
‘av_malloc’ declared here
196 | void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
| ^~~~~~~~~
9.
libavcodec/avrndec.c: In function ‘init’:
libavcodec/avrndec.c:59:9: warning: ‘refcounted_frames’ is deprecated
[-Wdeprecated-declarations]
59 | a->mjpeg_avctx->refcounted_frames = 1;
| ^
In file included from libavcodec/avrndec.c:22:
libavcodec/avcodec.h:2360:9: note: declared here
2360 | int refcounted_frames;
| ^~~~~~~~~~~~~~~~~
libavcodec/avrndec.c: In function ‘decode_frame’:
libavcodec/avrndec.c:110:9: warning: ‘avcodec_decode_video2’ is deprecated
[-Wdeprecated-declarations]
110 | ret = avcodec_decode_video2(a->mjpeg_avctx, data,
got_frame, avpkt);
|
In file included from libavcodec/avrndec.c:22:
libavcodec/avcodec.h:4771:5: note: declared here
4771 | int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
|
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8012>
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