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Fix coding style

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- Use block for single statement ifs
- Keep lines to reasonable length (current debate as to reasonable)
- When functions return -1 for error test against 0 not -1
- Do not indent cases another level
- Do not test against NULL and 0 explicitly
- Use tabs for indentation, use spaces for alignment
This commit is contained in:
Aaron Marcher
2018-05-06 22:28:56 +02:00
parent 66a7fb16fc
commit ee5ec75621
15 changed files with 91 additions and 66 deletions
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13
components/volume.c
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@ -20,21 +20,22 @@ vol_perc(const char *card)
int v, afd, devmask;
char *vnames[] = SOUND_DEVICE_NAMES;
afd = open(card, O_RDONLY | O_NONBLOCK);
if (afd == -1) {
if ((afd = open(card, O_RDONLY | O_NONBLOCK)) < 0) {
fprintf(stderr, "open '%s': %s\n", card, strerror(errno));
return NULL;
}
if (ioctl(afd, (int)SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
fprintf(stderr, "ioctl 'SOUND_MIXER_READ_DEVMASK': %s\n", strerror(errno));
if (ioctl(afd, (int)SOUND_MIXER_READ_DEVMASK, &devmask) < 0) {
fprintf(stderr, "ioctl 'SOUND_MIXER_READ_DEVMASK': %s\n",
strerror(errno));
close(afd);
return NULL;
}
for (i = 0; i < LEN(vnames); i++) {
if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
if (ioctl(afd, MIXER_READ(i), &v) == -1) {
fprintf(stderr, "ioctl 'MIXER_READ(%d)': %s\n", i, strerror(errno));
if (ioctl(afd, MIXER_READ(i), &v) < 0) {
fprintf(stderr, "ioctl 'MIXER_READ(%d)': %s\n", i,
strerror(errno));
close(afd);
return NULL;
}