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Check return code from mmap() properly.
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1 changed files with 5 additions and 2 deletions
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@ -38,6 +38,10 @@
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#include <stdio.h>
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#include "quakedef.h"
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#ifndef MAP_FAILED
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# define MAP_FAILED ((void *) -1)
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#endif
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int audio_fd;
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int snd_inited;
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@ -140,8 +144,7 @@ qboolean SNDDMA_Init(void)
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shm->buffer = (unsigned char *) mmap(NULL, info.fragstotal
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* info.fragsize, PROT_WRITE, MAP_FILE|MAP_SHARED, audio_fd, 0);
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if (!shm->buffer)
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{
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if (shm->buffer == MAP_FAILED) {
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perror("/dev/dsp");
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Con_Printf("Could not mmap /dev/dsp\n");
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close(audio_fd);
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