diff options
| -rw-r--r-- | example/main.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/example/main.c b/example/main.c index 6a851fe..e8e3e31 100644 --- a/example/main.c +++ b/example/main.c @@ -1,25 +1,35 @@ -#include "./lib/SSVLSystemAlertVolume.h" +#include <stdlib.h> +#include <sysexits.h> + +#include <CoreFoundation/CoreFoundation.h> -int main() { - OSStatus result; +#include "./lib/SSVLSystemAlertVolume.h" +int main(int argc, char *argv[]) { + OSStatus result = noErr; Float32 volume; - result = SSVLGetSystemVolume(&volume); - if (result != noErr) { - printf("Error getting system volume: %d\n", result); - return 1; - } + // Print the current system alert volume when no arguments are given. + if (argc == 1) { + result = SSVLGetSystemVolume(&volume); + if (result != noErr) { + printf("error: can't get system volume: %d\n", result); - printf("System volume: %f\n", volume); + return EX_UNAVAILABLE; + } + printf("%f\n", volume); - Float32 new_volume = 0.5; - result = SSVLSetSystemVolume(new_volume); - if (result != noErr) { - printf("Error setting system volume: %d\n", result); - return 1; + return EX_OK; } - printf("Set volume to: %f\n", new_volume); + // Set the system alert volume to the first argument. + volume = strtof(argv[1], NULL); + + result = SSVLSetSystemVolume(volume); + if (result != noErr) { + printf("error: can't set system volume: %d\n", result); + + return EX_UNAVAILABLE; + } } |