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Diffstat (limited to 'accel-pppd')
-rw-r--r--accel-pppd/main.c108
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);
}
-