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| author | June McEnroe <june@causal.agency> | 2018-05-13 00:41:58 -0400 |
|---|---|---|
| committer | June McEnroe <june@causal.agency> | 2018-05-13 00:42:28 -0400 |
| commit | 95b7adbdb6c77c80dfc59b4e370d7a1fae8e4d5e (patch) | |
| tree | 3f662ee90a926af6b521e8260e720f66d850a0cc /bin/bri.c | |
| parent | Tabify shell scripts (diff) | |
| download | src-95b7adbdb6c77c80dfc59b4e370d7a1fae8e4d5e.tar.gz src-95b7adbdb6c77c80dfc59b4e370d7a1fae8e4d5e.zip | |
Tabify bin
Diffstat (limited to 'bin/bri.c')
| -rw-r--r-- | bin/bri.c | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/bin/bri.c b/bin/bri.c index c3ec723c..52d4070c 100644 --- a/bin/bri.c +++ b/bin/bri.c @@ -26,58 +26,58 @@ static const char *CLASS = "/sys/class/backlight"; int main(int argc, char *argv[]) { - int error; + int error; - const char *input = (argc > 1) ? argv[1] : NULL; + const char *input = (argc > 1) ? argv[1] : NULL; - error = chdir(CLASS); - if (error) err(EX_OSFILE, "%s", CLASS); + error = chdir(CLASS); + if (error) err(EX_OSFILE, "%s", CLASS); - DIR *dir = opendir("."); - if (!dir) err(EX_OSFILE, "%s", CLASS); + DIR *dir = opendir("."); + if (!dir) err(EX_OSFILE, "%s", CLASS); - struct dirent *entry; - while (NULL != (errno = 0, entry = readdir(dir))) { - if (entry->d_name[0] == '.') continue; + struct dirent *entry; + while (NULL != (errno = 0, entry = readdir(dir))) { + if (entry->d_name[0] == '.') continue; - error = chdir(entry->d_name); - if (error) err(EX_OSFILE, "%s/%s", CLASS, entry->d_name); - break; - } - if (!entry) { - if (errno) err(EX_IOERR, "%s", CLASS); - errx(EX_CONFIG, "%s: empty", CLASS); - } + error = chdir(entry->d_name); + if (error) err(EX_OSFILE, "%s/%s", CLASS, entry->d_name); + break; + } + if (!entry) { + if (errno) err(EX_IOERR, "%s", CLASS); + errx(EX_CONFIG, "%s: empty", CLASS); + } - FILE *actual = fopen("actual_brightness", "r"); - if (!actual) err(EX_OSFILE, "%s/actual_brightness", CLASS); + FILE *actual = fopen("actual_brightness", "r"); + if (!actual) err(EX_OSFILE, "%s/actual_brightness", CLASS); - unsigned value; - int match = fscanf(actual, "%u", &value); - if (match == EOF) err(EX_IOERR, "%s/actual_brightness", CLASS); - if (match < 1) errx(EX_DATAERR, "%s/actual_brightness", CLASS); + unsigned value; + int match = fscanf(actual, "%u", &value); + if (match == EOF) err(EX_IOERR, "%s/actual_brightness", CLASS); + if (match < 1) errx(EX_DATAERR, "%s/actual_brightness", CLASS); - if (!input) { - printf("%u\n", value); - return EX_OK; - } + if (!input) { + printf("%u\n", value); + return EX_OK; + } - if (input[0] == '+' || input[0] == '-') { - size_t count = strnlen(input, 16); - if (input[0] == '+') { - value += 16 * count; - } else { - value -= 16 * count; - } - } else { - value = strtoul(input, NULL, 0); - } + if (input[0] == '+' || input[0] == '-') { + size_t count = strnlen(input, 16); + if (input[0] == '+') { + value += 16 * count; + } else { + value -= 16 * count; + } + } else { + value = strtoul(input, NULL, 0); + } - FILE *brightness = fopen("brightness", "w"); - if (!brightness) err(EX_OSFILE, "%s/brightness", CLASS); + FILE *brightness = fopen("brightness", "w"); + if (!brightness) err(EX_OSFILE, "%s/brightness", CLASS); - int size = fprintf(brightness, "%u", value); - if (size < 0) err(EX_IOERR, "brightness"); + int size = fprintf(brightness, "%u", value); + if (size < 0) err(EX_IOERR, "brightness"); - return EX_OK; + return EX_OK; } |