From ce2219915d36fcc4291bed6cc1e1f07c17272d25 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 18 Nov 2008 14:09:13 -0200
Subject: [PATCH] argp: check if child_inputs is NULL

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 pdwtags.c | 5 ++++-
 pfunct.c  | 5 ++++-
 pglobal.c | 5 ++++-
 syscse.c  | 3 ++-
 4 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/pdwtags.c b/pdwtags.c
index 44c3fc7..b23de30 100644
--- a/pdwtags.c
+++ b/pdwtags.c
@@ -81,7 +81,10 @@ static error_t pdwtags__options_parser(int key, char *arg __unused,
 				      struct argp_state *state)
 {
 	switch (key) {
-	case ARGP_KEY_INIT: state->child_inputs[0] = state->input; break;
+	case ARGP_KEY_INIT:
+		if (state->child_inputs != NULL)
+			state->child_inputs[0] = state->input;
+		break;
 	case 'V': conf.show_decl_info = 1;		break;
 	default:  return ARGP_ERR_UNKNOWN;
 	}
diff --git a/pfunct.c b/pfunct.c
index 4a95680..980e34d 100644
--- a/pfunct.c
+++ b/pfunct.c
@@ -453,7 +453,10 @@ static error_t pfunct__options_parser(int key, char *arg,
 				      struct argp_state *state)
 {
 	switch (key) {
-	case ARGP_KEY_INIT: state->child_inputs[0] = state->input; break;
+	case ARGP_KEY_INIT:
+		if (state->child_inputs != NULL)
+			state->child_inputs[0] = state->input;
+		break;
 	case 'b': expand_types = true;
 		  type_emissions__init(&emissions);	 break;
 	case 'c': class_name = arg;			 break;
diff --git a/pglobal.c b/pglobal.c
index 995f63e..bde1f94 100644
--- a/pglobal.c
+++ b/pglobal.c
@@ -291,7 +291,10 @@ static error_t pglobal__options_parser(int key, char *arg __unused,
 				      struct argp_state *state)
 {
 	switch (key) {
-	case ARGP_KEY_INIT: state->child_inputs[0] = state->input; break;
+	case ARGP_KEY_INIT:
+		if (state->child_inputs != NULL)
+			state->child_inputs[0] = state->input;
+		break;
 	case 'v': walk_var = 1;		break;
 	case 'f': walk_fun = 1;		break;
 	case 'V': verbose = 1;		break;
diff --git a/syscse.c b/syscse.c
index 880453d..168e560 100644
--- a/syscse.c
+++ b/syscse.c
@@ -121,7 +121,8 @@ static error_t options_parser(int key, char *arg, struct argp_state *state)
 {
 	switch (key) {
 	case ARGP_KEY_INIT:
-		state->child_inputs[0] = state->input;
+		if (state->child_inputs != NULL)
+			state->child_inputs[0] = state->input;
 		break;
 	case 'p':
 		prefix = arg;