diff options
Diffstat (limited to 'accel-pppd')
| -rw-r--r-- | accel-pppd/main.c | 108 |
1 files changed, 80 insertions, 28 deletions
diff --git a/accel-pppd/main.c b/accel-pppd/main.c index cb7e1cd..03fac61 100644 --- a/accel-pppd/main.c +++ b/accel-pppd/main.c @@ -5,6 +5,7 @@ #include <stdio.h> #include <errno.h> #include <fcntl.h> +#include <getopt.h> #include <time.h> #include <limits.h> #include <malloc.h> @@ -243,52 +244,108 @@ static void log_version() log_msg("accel-ppp version %s\n", ACCEL_PPP_VERSION); } +enum { + OPT_DUMP = CHAR_MAX + 1, + OPT_INTERNAL, + OPT_NO_SIGSEGV, + OPT_NO_SIGINT, +}; + +static const struct option long_opts[] = { + { "config", required_argument, NULL, 'c' }, + { "pid", required_argument, NULL, 'p' }, + { "daemon", no_argument, NULL, 'd' }, + { "dump", required_argument, NULL, OPT_DUMP }, + { "internal", no_argument, NULL, OPT_INTERNAL }, + { "no-sigsegv", no_argument, NULL, OPT_NO_SIGSEGV }, + { "no-sigint", no_argument, NULL, OPT_NO_SIGINT }, + { "version", no_argument, NULL, 'V' }, + { "help", no_argument, NULL, 'h' }, + { NULL, 0, NULL, 0 } +}; + +static void print_version(FILE *stream) +{ + fprintf(stream, "accel-ppp %s\n", ACCEL_PPP_VERSION); +} + +static void print_usage(FILE *stream) +{ + fprintf(stream, "Usage:\t%s -c CONFIG [-p PID] [-d]\n", "accel-pppd"); +} + +static void print_help(FILE *stream) +{ + print_usage(stream); + fprintf(stream, "\n" + "\t-с, --config\t- Read config from CONFIG file \n" + "\t-p, --pid\t- Write pid to PID file\n" + "\t-d, --daemon\t- Daemon mode\n" + "\t-V, --version\t- Show version and exit\n" + "\t-h, --help\t- Show help and exit\n"); +} + int main(int _argc, char **_argv) { sigset_t set; - int i, sig, goto_daemon = 0, len; + int c, sig, goto_daemon = 0, len; pid_t pid = 0; struct sigaction sa; int pagesize = sysconf(_SC_PAGE_SIZE); + char *dump = NULL; int internal = 0; int no_sigint = 0; int no_sigsegv = 0; argc = _argc; argv = _argv; - if (argc < 2) goto usage; - for(i = 1; i < argc; i++) { - if (!strcmp(argv[i], "-d")) + while ((c = getopt_long(argc, argv, "c:p:dVh", long_opts, NULL)) != -1) { + switch (c) { + case 'c': + conf_file = optarg; + break; + case 'p': + pid_file = optarg; + break; + case 'd': goto_daemon = 1; - else if (!strcmp(argv[i], "-p")) { - if (i == argc - 1) - goto usage; - pid_file = argv[++i]; - } else if (!strcmp(argv[i], "-c")) { - if (i == argc - 1) - goto usage; - conf_file = argv[++i]; - } else if (!strcmp(argv[i], "--dump")) { - if (i == argc - 1) - goto usage; - len = (strlen(argv[i + 1]) / pagesize + 1) * pagesize; - conf_dump = memalign(pagesize, len); - strcpy(conf_dump, argv[++i]); - mprotect(conf_dump, len, PROT_READ); - } else if (!strcmp(argv[i], "--internal")) + break; + case OPT_DUMP: + dump = optarg; + break; + case OPT_INTERNAL: internal = 1; - else if (!strcmp(argv[i], "--no-sigsegv")) + break; + case OPT_NO_SIGSEGV: no_sigsegv = 1; - else if (!strcmp(argv[i], "--no-sigint")) + break; + case OPT_NO_SIGINT: no_sigint = 1; + break; + case 'V': + print_version(stdout); + return EXIT_SUCCESS; + case 'h': + print_help(stdout); + return EXIT_SUCCESS; + default: + goto usage; + } } if (!conf_file) goto usage; + if (dump) { + len = (strlen(dump) / pagesize + 1) * pagesize; + conf_dump = memalign(pagesize, len); + strcpy(conf_dump, dump); + mprotect(conf_dump, len, PROT_READ); + } + if (internal) { while (getppid() != 1) sleep(1); @@ -400,11 +457,6 @@ int main(int _argc, char **_argv) return EXIT_SUCCESS; usage: - printf("usage: accel-pppd [-d] [-p <file>] -c <file>\n\ - where:\n\ - -d - daemon mode\n\ - -p - write pid to <file>\n\ - -c - config file\n"); + print_help(stderr); _exit(EXIT_FAILURE); } - |