#include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/banan-os.h> void usage(int ret, char* arg0) { FILE* fout = (ret == 0) ? stdout : stderr; fprintf(fout, "usage: %s [OPTIONS]...\n", arg0); fprintf(fout, " -s, --shutdown Shutdown the system (default)\n"); fprintf(fout, " -r, --reboot Reboot the system\n"); fprintf(fout, " -h, --help Show this message\n"); exit(ret); } int main(int argc, char** argv) { int operation = POWEROFF_SHUTDOWN; for (int i = 1; i < argc; i++) { if (strcmp(argv[i], "-s") == 0 || strcmp(argv[i], "--shutdown") == 0) operation = POWEROFF_SHUTDOWN; else if (strcmp(argv[i], "-r") == 0 || strcmp(argv[i], "--reboot") == 0) operation = POWEROFF_REBOOT; else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) usage(0, argv[0]); else usage(1, argv[0]); } if (poweroff(operation) == -1) { perror("poweroff"); return 1; } return 0; }