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
@@ -43,61 +43,63 @@ int read_config_line(FILE *f, char *line, const char **value, int bufsize)
                 if (!isname && isspace(c))
                         continue;
 
                 if (c=='=' && !*value) {
                         line[i] = 0;
                         *value = &line[i+1];
                 } else if (c=='\n' && !isname) {
                         i = 0;
                         continue;
                 } else if (c=='\n' || c==EOF) {
                         line[i] = 0;
                         break;
                 } else {
                         line[i]=c;
                 }
                 isname = 1;
                 i++;
         }
         line[i+1] = 0;
         return i;
 }
 
 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)
 {
         int d1, d2;
         if (strlen(txt) < 3) {
                 *txt = '\0';
                 return txt-1;
         }
         d1 = hextoint(*(txt+1));
         d2 = hextoint(*(txt+2));
         if (d1<0 || d2<0) {
                 strcpy(txt, txt+3);
                 return txt-1;
         } else {
                 *txt = d1 * 16 + d2;
                 strcpy(txt+1, txt+3);
                 return txt;
         }
 }
 
 int cgit_parse_query(char *txt, configfn fn)
 {
         char *t, *value = NULL, c;