Use errno to handle getconfint() failing.

1 files changed, 3 insertions, 1 deletions

diff --git a/config.c b/config.c
index 41f07d6..ad7e31c 100644
--- a/config.c
+++ b/config.c
@@ -91,11 +91,13 @@ int getconfstr(char *confname, char *filename, char* dest) {
 
 // Returns the value of the configuration option with name
 // 'confname' from configuration file 'filename'.
+// Sets errno to 0 on success, or ECONFINT if it fails, in which case the return value is undefined.
 int getconfint(char *confname, char *filename) {
+  errno = 0;
   char result[MAXCHAR];
   if (!getconfstr(confname, filename, result)) {
-    printf("getconfint(): error getting configuration option '%s' from configuration file '%s'.\n", confname, filename);
     debugprint(DEBUG_CRIT, "getconfint(): error getting configuration option '%s' from configuration file '%s'.\n", confname, filename);
+    errno = ECONFINT;
   }
 
   return strtol(result, NULL, 10); // Convert resulting string to an integer, base 10