Fix crash in getconfstr() when not finding certain strings in configuration file.

1 files changed, 3 insertions, 2 deletions

diff --git a/config.c b/config.c
index 168b780..78190f5 100644
--- a/config.c
+++ b/config.c
@@ -7,6 +7,7 @@ int getconfstr(char *confname, char *filename, char* dest) {
   FILE *fp;
   char *ret;
   char str[MAXCHAR];
+  int found = 0; // Have we found the configuration option?
 
   // Set strings to zero-length to begin
   dest[0] = '\0';
@@ -39,14 +40,14 @@ int getconfstr(char *confname, char *filename, char* dest) {
     // If the resulting temporary string contains the requested option name,
     // we have found our configuration option and it is in the current 'str'
     if (!(ret = strstr(substr, confname)) == 0) {
+      found = 1;
       break;
     }
   }
 
   // If we got here, then either we found the configuration option or we ran out of file
 
-  // If str is NULL then we ran out of file
-  if (ret == NULL) {
+  if (!found) {
     printf("Error reading configuration option '%s', did not find it in configuration file '%s'.\n", confname, filename);
     return 0;
   }