Print an error if filename is not found in html_include.

Normally when html_include cannot open the file it fails silently and
things can be a bit hard to figure out from just looking at apache's
log. This will be beneficial for those initially setting up their server
with cgit.

Signed-off-by: Harley Laue <losinggeneration@aim.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/html.c b/html.c
index 937b5e7..bddb04d 100644
--- a/html.c
+++ b/html.c
@@ -10,8 +10,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
+#include <errno.h>
 
 int htmlfd = STDOUT_FILENO;
 
 char *fmt(const char *format, ...)
@@ -167,10 +168,13 @@ int html_include(const char *filename)
         FILE *f;
         char buf[4096];
         size_t len;
 
-        if (!(f = fopen(filename, "r")))
+        if (!(f = fopen(filename, "r"))) {
+                fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n",
+                        filename, strerror(errno), errno);
                 return -1;
+        }
         while((len = fread(buf, 1, 4096, f)) > 0)
                 write(htmlfd, buf, len);
         fclose(f);
         return 0;