tools: Fix issues in irm bind/unbind

Fixes a segmentation fault in irm unbind api when no pid is specified
and improves the help information for bind/unbind.

5 files changed, 9 insertions, 4 deletions

diff --git a/src/tools/irm/irm_bind.c b/src/tools/irm/irm_bind.c
index aafa2f75..2b5a6cf4 100644
--- a/src/tools/irm/irm_bind.c
+++ b/src/tools/irm/irm_bind.c
@@ -31,6 +31,7 @@
 static void usage(void)
 {
         printf("Usage: irm bind [OPERATION]\n"
+               "\n"
                "where OPERATION = {ap api ipcp help}\n");
 }
 
diff --git a/src/tools/irm/irm_unbind.c b/src/tools/irm/irm_unbind.c
index a6b27907..962e9555 100644
--- a/src/tools/irm/irm_unbind.c
+++ b/src/tools/irm/irm_unbind.c
@@ -31,6 +31,7 @@
 static void usage(void)
 {
         printf("Usage: irm unbind [OPERATION]\n"
+               "\n"
                "where OPERATION = {ap api ipcp help}\n");
 }
 
diff --git a/src/tools/irm/irm_unbind_ap.c b/src/tools/irm/irm_unbind_ap.c
index 8ad3d670..f3f16ee1 100644
--- a/src/tools/irm/irm_unbind_ap.c
+++ b/src/tools/irm/irm_unbind_ap.c
@@ -32,7 +32,8 @@
 static void usage(void)
 {
         printf("Usage: irm unbind ap <ap>\n"
-               "          [name <name>, omit: remove all AP info]\n");
+               "                  [name <name> (default: remove all AP info)]"
+               "\n");
 }
 
 int do_unbind_ap(int argc, char ** argv)
diff --git a/src/tools/irm/irm_unbind_api.c b/src/tools/irm/irm_unbind_api.c
index d332f438..fdfc2374 100644
--- a/src/tools/irm/irm_unbind_api.c
+++ b/src/tools/irm/irm_unbind_api.c
@@ -33,7 +33,8 @@
 static void usage(void)
 {
         printf("Usage: irm unbind api <pid>\n"
-               "          [name <name>, omit: remove all AP-I info]\n");
+               "                  [name <name> (default: remove all AP-I info)]"
+               "\n");
 }
 
 int do_unbind_api(int argc, char ** argv)
@@ -41,7 +42,7 @@ int do_unbind_api(int argc, char ** argv)
         pid_t api = -1;
         char * name = NULL;
 
-        while (argc > 0) {
+        while (argc > 1) {
                 if (matches(*argv, "name") == 0) {
                         name = *(argv + 1);
                         ++argv;
diff --git a/src/tools/irm/irm_unbind_ipcp.c b/src/tools/irm/irm_unbind_ipcp.c
index 33d7a818..16dd024b 100644
--- a/src/tools/irm/irm_unbind_ipcp.c
+++ b/src/tools/irm/irm_unbind_ipcp.c
@@ -33,7 +33,8 @@
 static void usage(void)
 {
         printf("Usage: irm unbind ipcp <name>\n"
-               "          [name <name>, omit: remove all information.\n");
+               "                  [name <name> (default: remove all IPCP info)]"
+               "\n");
 }
 
 int do_unbind_ipcp(int argc, char ** argv)