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-rw-r--r--dyndhcpd.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/dyndhcpd.c b/dyndhcpd.c
index 8bc1f34..59a197a 100644
--- a/dyndhcpd.c
+++ b/dyndhcpd.c
@@ -16,10 +16,21 @@
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
+#include <getopt.h>
#include "config.h"
#include "version.h"
+const static char optstring[] = "c:hi:v";
+const static struct option options_long[] = {
+ /* name has_arg flag val */
+ { "config", required_argument, NULL, 'c' },
+ { "help", no_argument, NULL, 'h' },
+ { "interface", required_argument, NULL, 'i' },
+ { "verbose", no_argument, NULL, 'v' },
+ { 0, 0, 0, 0 }
+};
+
/*** str_replace ***/
char * str_replace(char * original, const char * pattern, const char * replacement) {
size_t const replen = strlen(replacement);
@@ -86,7 +97,7 @@ int main(int argc, char ** argv) {
printf("Starting dyndhcpd/" VERSION " (compiled: " __DATE__ ", " __TIME__ ")\n");
/* get command line options */
- while ((i = getopt(argc, argv, "c:hi:v")) != -1)
+ while ((i = getopt_long(argc, argv, optstring, options_long, NULL)) != -1)
switch (i) {
case 'c':
config_template = optarg;