1 files changed, 10 insertions, 5 deletions

diff --git a/core.c b/core.c
index de9cc64..c3685d4 100644
--- a/core.c
+++ b/core.c
@@ -72,12 +72,14 @@ void merge(char *update, char **index) {
 	free(real_file);
 }
 
-void show_diff(char *update) {
+int show_diff(char *update) {
 	extern struct configuration config;
 	char *realfile = get_real_filename(update);
 	char *esc_realfile = g_shell_quote(realfile);
 	char *esc_update = g_shell_quote(update);
 	char *cmd = (char *)calloc(strlen(config.diff_tool) + strlen(" % % | ") + strlen(esc_update) + strlen(esc_realfile) + strlen(config.pager) + 1, sizeof(char));
+	int ret;
+
 	strcpy(cmd, config.diff_tool);
 	strcat(cmd, " ");
 	strcat(cmd, esc_realfile);
@@ -87,25 +89,28 @@ void show_diff(char *update) {
 		strcat(cmd, " | ");
 		strcat(cmd, config.pager);
 	}
+	ret = system(cmd);
 	free(realfile);
 	g_free(esc_realfile);
 	g_free(esc_update);
-	system(cmd);
 	free(cmd);
+	return ret;
 }
 
-void edit_update(char *update) {
+int edit_update(char *update) {
 	extern struct configuration config;
 	char *esc_update = g_shell_quote(update);
 	char *cmd = calloc(strlen(config.edit_tool) + strlen("  ") + strlen(esc_update), sizeof(char));
+	int ret;
 	
 	strcpy(cmd, config.edit_tool);
 	strcat(cmd, " ");
 	strcat(cmd, esc_update);
 	
-	system(cmd);
+	ret = system(cmd);
 	g_free(esc_update);
 	free(cmd);
+	return ret;
 }
 
 char **merge_interactively(char *update, char **index) {
@@ -168,6 +173,6 @@ void display_help() {
 		"\tSelecting a directory will select all its updates\n";
 	
 	
-	fprintf(stderr, str);
+	fprintf(stderr, "%s", str);
 	exit(EXIT_SUCCESS);
 }