2 files changed, 8 insertions, 0 deletions

@@ -157,6 +157,7 @@ extern void cgit_querystring_cb(const char *name, const char *value);
 
 extern int chk_zero(int result, char *msg);
 extern int chk_positive(int result, char *msg);
+extern int chk_non_negative(int result, char *msg);
 
 extern int hextoint(char c);
 extern char *trim_end(const char *str, char c);
@@ -86,6 +86,13 @@ int chk_positive(int result, char *msg)
         return result;
 }
 
+int chk_non_negative(int result, char *msg)
+{
+        if (result < 0)
+                die("%s: %s",msg, strerror(errno));
+        return result;
+}
+
 struct repoinfo *add_repo(const char *url)
 {
         struct repoinfo *ret;