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cd_sdl.c: change SDL_CD error return checks from '== -1' back to '< 0'

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SDL man pages are wrong. e.g. their macosx cdrom backend returns some
negative value, but not strictly -1.

git-svn-id: svn+ssh://svn.code.sf.net/p/quakespasm/code/trunk@1569 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
sezero 2018-03-13 08:50:03 +00:00
parent e6d38a8372
commit 2806d174b3
1 changed files with 6 additions and 6 deletions
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12
quakespasm/Quake/cd_sdl.c
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@ -65,7 +65,7 @@ static void CDAudio_Eject(void)
#ifdef __linux__
SDL_CDStop(cd_handle); /* see CDAudio_Stop() */
#endif
if (SDL_CDEject(cd_handle) == -1)
if (SDL_CDEject(cd_handle) < 0)
Con_Printf ("Unable to eject CD-ROM: %s\n", SDL_GetError ());
}
@ -119,7 +119,7 @@ int CDAudio_Play(byte track, qboolean looping)
CDAudio_Stop();
}
if (SDL_CDPlay(cd_handle, cd_handle->track[track-1].offset, cd_handle->track[track-1].length) == -1)
if (SDL_CDPlay(cd_handle, cd_handle->track[track-1].offset, cd_handle->track[track-1].length) < 0)
{
Con_Printf ("CDAudio_Play: Unable to play track %d: %s\n", track, SDL_GetError ());
return -1;
@ -160,10 +160,10 @@ void CDAudio_Stop(void)
* firmware versions running under a 2.6.27.25 kernel, and with a
* Samsung DVD r/w drive running under 2.6.35.6 kernel.
* Therefore, avoid dead stops if playback may be resumed shortly. */
if (SDL_CDPause(cd_handle) == -1)
if (SDL_CDPause(cd_handle) < 0)
Con_Printf ("CDAudio_Stop: Unable to stop CD-ROM (%s)\n", SDL_GetError());
#else
if (SDL_CDStop(cd_handle) == -1)
if (SDL_CDStop(cd_handle) < 0)
Con_Printf ("CDAudio_Stop: Unable to stop CD-ROM (%s)\n", SDL_GetError());
#endif
@ -181,7 +181,7 @@ void CDAudio_Pause(void)
if (!playing)
return;
if (SDL_CDPause(cd_handle) == -1)
if (SDL_CDPause(cd_handle) < 0)
Con_Printf ("Unable to pause CD-ROM: %s\n", SDL_GetError());
wasPlaying = playing;
@ -200,7 +200,7 @@ void CDAudio_Resume(void)
if (!wasPlaying)
return;
if (SDL_CDResume(cd_handle) == -1)
if (SDL_CDResume(cd_handle) < 0)
Con_Printf ("Unable to resume CD-ROM: %s\n", SDL_GetError());
playing = true;
endOfTrack += realtime - pausetime;