Add and use LEN() macro
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parent
178c23e3d2
commit
1814061396
11
slstatus.c
11
slstatus.c
@ -28,6 +28,8 @@
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#include "arg.h"
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#define LEN(x) (sizeof (x) / sizeof *(x))
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struct arg {
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const char *(*func)();
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const char *fmt;
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@ -167,13 +169,13 @@ battery_state(const char *bat)
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if (n != 1)
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return UNKNOWN_STR;
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for (i = 0; i < sizeof(map) / sizeof(*map); i++) {
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for (i = 0; i < LEN(map); i++) {
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if (!strcmp(map[i].state, state)) {
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break;
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}
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}
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return (i == sizeof(map) / sizeof(*map)) ? "?" : map[i].symbol;
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return (i == LEN(map)) ? "?" : map[i].symbol;
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}
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static const char *
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@ -745,7 +747,7 @@ vol_perc(const char *card)
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close(afd);
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return UNKNOWN_STR;
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}
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for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) {
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for (i = 0; i < LEN(vnames); i++) {
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if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
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if (ioctl(afd, MIXER_READ(i), &v) == -1) {
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warn("vol_perc: ioctl");
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@ -884,8 +886,7 @@ main(int argc, char *argv[])
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while (!done) {
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status_string[0] = '\0';
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for (element = status_string, i = len = 0;
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i < sizeof(args) / sizeof(args[0]);
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for (element = status_string, i = len = 0; i < LEN(args);
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++i, element += len) {
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argument = args[i];
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len = snprintf(element, sizeof(status_string)-1 - len,
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