Add include-parameter to config files

This parameter can be used to include another config-file, like
a standalone repository listing.

Suggested in a patch by Kristian Høgsberg <krh@bitplanet.net>

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/parsing.c b/parsing.c
index 332d61c..8e15e5a 100644
--- a/parsing.c
+++ b/parsing.c
@@ -64,19 +64,21 @@ int read_config_line(FILE *f, char *line, const char **value, int bufsize)
 
 int cgit_read_config(const char *filename, configfn fn)
 {
-        int ret = 0, len;
+        static int nesting;
+        int len;
         char line[256];
         const char *value;
-        FILE *f = fopen(filename, "r");
+        FILE *f;
 
-        if (!f)
+        /* cancel the reading of yet another configfile after 16 invocations */
+        if (nesting++ > 16)
+                return -1;
+        if (!(f = fopen(filename, "r")))
                 return -1;
-
         while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
                 (*fn)(line, value);
-
         fclose(f);
-        return ret;
+        return 0;
 }
 
 char *convert_query_hexchar(char *txt)