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  • Xiph.OrgXiph.Org
  • libao
  • Issues
  • #2318
Closed
Open
Issue created May 04, 2019 by Tomasz Kłoczko@kloczek

1.2.2: compile time warnings

gcc 9 warnings

ao_alsa.c: In function 'alsa_set_hwparams':
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_UNKNOWN' not handled in switch [-Wswitch]
  333 |           switch(internal->bitformat){
      |           ^~~~~~
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S8' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S16_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U16_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U16_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S24_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U24_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U24_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S32_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U32_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U32_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_FLOAT_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_FLOAT_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_FLOAT64_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_FLOAT64_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_IEC958_SUBFRAME_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_IEC958_SUBFRAME_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_MU_LAW' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_A_LAW' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_IMA_ADPCM' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_MPEG' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_GSM' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S20_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S20_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U20_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U20_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_SPECIAL' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S24_3LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S24_3BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U24_3LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U24_3BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S20_3LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S20_3BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U20_3LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U20_3BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S18_3LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S18_3BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U18_3LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U18_3BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_G723_24' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_G723_24_1B' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_G723_40' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_G723_40_1B' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_DSD_U8' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_DSD_U16_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_DSD_U32_LE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_DSD_U16_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_DSD_U32_BE' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_LAST' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U16' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U24' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U32' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_FLOAT' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_FLOAT64' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_IEC958_SUBFRAME' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_S20' not handled in switch [-Wswitch]
ao_alsa.c:333:11: warning: enumeration value 'SND_PCM_FORMAT_U20' not handled in switch [-Wswitch]
ao_alsa.c: In function 'alsa_set_swparams':
ao_alsa.c:485:2: warning: 'snd_pcm_sw_params_set_xfer_align' is deprecated [-Wdeprecated-declarations]
  485 |  err = snd_pcm_sw_params_set_xfer_align(internal->pcm_handle, params, 1);
      |  ^~~
In file included from /usr/include/alsa/asoundlib.h:54,
                 from ao_alsa.c:39:
/usr/include/alsa/pcm.h:1331:5: note: declared here
 1331 | int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) __attribute__((deprecated));
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ao_alsa.c: In function 'alsa_test_open':
ao_alsa.c:531:26: warning: unused variable 'params' [-Wunused-variable]
  531 |   snd_pcm_hw_params_t   *params;
      |                          ^~~~~~
ao_alsa.c: In function 'ao_plugin_play':
ao_alsa.c:798:11: warning: unused variable 'ibytes' [-Wunused-variable]
  798 |       int ibytes = frames * ibytewidth * device->output_channels;
      |           ^~~~~~
ao_alsa.c:791:9: warning: unused variable 'ostride' [-Wunused-variable]
  791 |     int ostride = obytewidth*device->output_channels;
      |         ^~~~~~~
ao_alsa.c:790:9: warning: unused variable 'istride' [-Wunused-variable]
  790 |     int istride = internal->sample_size;
      |         ^~~~~~~
ao_pulse.c: In function 'ao_plugin_close':
ao_pulse.c:309:17: warning: implicit declaration of function 'nanosleep'; did you mean 'pa_msleep'? [-Wimplicit-function-declaration]
  309 |           while(nanosleep(&sleep,&wake)<0){
      |                 ^~~~~~~~~
      |                 pa_msleep
ao_null.c: In function 'ao_null_set_option':
ao_null.c:89:20: warning: unused variable 'internal' [-Wunused-variable]
   89 |  ao_null_internal *internal = (ao_null_internal *) device->internal;
      |                    ^~~~~~~~
config.c: In function 'ao_read_config_file':
config.c:58:6: warning: unused variable 'end' [-Wunused-variable]
   58 |  int end;
      |      ^~~
ao_wav.c: In function 'ao_wav_open':
ao_wav.c:165:29: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  165 |  strncpy(internal->wave.riff.id, "RIFF",4);
      |          ~~~~~~~~~~~~~~~~~~~^~~
      |                             |
      |                             unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:167:29: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  167 |  strncpy(internal->wave.riff.wave_id, "WAVE",4);
      |          ~~~~~~~~~~~~~~~~~~~^~~~~~~~
      |                             |
      |                             unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:169:31: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  169 |  strncpy(internal->wave.format.id, "fmt ",4);
      |          ~~~~~~~~~~~~~~~~~~~~~^~~
      |                               |
      |                               unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:185:29: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  185 |  strncpy(internal->wave.data.id, "data",4);
      |          ~~~~~~~~~~~~~~~~~~~^~~
      |                             |
      |                             unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:189:10: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  189 |  strncpy(buf, internal->wave.riff.id, 4);
      |          ^~~
      |          |
      |          unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:189:34: warning: pointer targets in passing argument 2 of 'strncpy' differ in signedness [-Wpointer-sign]
  189 |  strncpy(buf, internal->wave.riff.id, 4);
      |               ~~~~~~~~~~~~~~~~~~~^~~
      |                                  |
      |                                  unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'const char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:191:13: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  191 |  strncpy(buf+8, internal->wave.riff.wave_id, 4);
      |          ~~~^~
      |             |
      |             unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:191:36: warning: pointer targets in passing argument 2 of 'strncpy' differ in signedness [-Wpointer-sign]
  191 |  strncpy(buf+8, internal->wave.riff.wave_id, 4);
      |                 ~~~~~~~~~~~~~~~~~~~^~~~~~~~
      |                                    |
      |                                    unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'const char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:192:13: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  192 |  strncpy(buf+12, internal->wave.format.id,4);
      |          ~~~^~~
      |             |
      |             unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:192:39: warning: pointer targets in passing argument 2 of 'strncpy' differ in signedness [-Wpointer-sign]
  192 |  strncpy(buf+12, internal->wave.format.id,4);
      |                  ~~~~~~~~~~~~~~~~~~~~~^~~
      |                                       |
      |                                       unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'const char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:205:13: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  205 |  strncpy(buf+60, internal->wave.data.id, 4);
      |          ~~~^~~
      |             |
      |             unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
ao_wav.c:205:37: warning: pointer targets in passing argument 2 of 'strncpy' differ in signedness [-Wpointer-sign]
  205 |  strncpy(buf+60, internal->wave.data.id, 4);
      |                  ~~~~~~~~~~~~~~~~~~~^~~
      |                                     |
      |                                     unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_wav.c:33:
/usr/include/bits/string_fortified.h:103:1: note: expected 'const char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
In file included from ../include/ao/ao.h:94,
                 from audio_out.c:54:
audio_out.c: In function '_sanitize_matrix':
../include/ao/ao_private.h:201:26: warning: field precision specifier '.*' expects argument of type 'int', but argument 4 has type 'long int' [-Wformat=]
  201 |           fprintf(stderr,"ao_%s ERROR: " format,device->funcs->driver_info()->short_name,## args); \
      |                          ^~~~~~~~~~~~~~~
audio_out.c:669:11: note: in expansion of macro 'aerror'
  669 |           aerror("Unrecognized channel name \"%.*s\" in channel matrix \"%s\"\n",
      |           ^~~~~~
audio_out.c:669:49: note: format string is defined here
  669 |           aerror("Unrecognized channel name \"%.*s\" in channel matrix \"%s\"\n",
      |                                               ~~^~
      |                                                 |
      |                                                 int
In file included from ../include/ao/ao.h:94,
                 from audio_out.c:54:
../include/ao/ao_private.h:203:26: warning: field precision specifier '.*' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=]
  203 |           fprintf(stderr,"ERROR: " format,## args);                     \
      |                          ^~~~~~~~~
audio_out.c:669:11: note: in expansion of macro 'aerror'
  669 |           aerror("Unrecognized channel name \"%.*s\" in channel matrix \"%s\"\n",
      |           ^~~~~~
audio_out.c:669:49: note: format string is defined here
  669 |           aerror("Unrecognized channel name \"%.*s\" in channel matrix \"%s\"\n",
      |                                               ~~^~
      |                                                 |
      |                                                 int
audio_out.c:668:15: warning: unused variable 'i' [-Wunused-variable]
  668 |           int i;
      |               ^
At top level:
audio_out.c:609:13: warning: '_swap_samples' defined but not used [-Wunused-function]
  609 | static void _swap_samples(char *target_buffer, char* source_buffer,
      |             ^~~~~~~~~~~~~
audio_out.c:406:12: warning: '_check_driver_id' defined but not used [-Wunused-function]
  406 | static int _check_driver_id(int driver_id)
      |            ^~~~~~~~~~~~~~~~
ao_au.c: In function 'ao_au_open':
ao_au.c:165:15: warning: pointer targets in passing argument 1 of 'strncpy' differ in signedness [-Wpointer-sign]
  165 |  strncpy (buf + 24, internal->au.info, 4);
      |           ~~~~^~~~
      |               |
      |               unsigned char *
In file included from /usr/include/features.h:450,
                 from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdio.h:27,
                 from ao_au.c:30:
/usr/include/bits/string_fortified.h:103:1: note: expected 'char * restrict' but argument is of type 'unsigned char *'
  103 | __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
      | ^~~~~
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