1 files changed, 13 insertions, 0 deletions

diff --git a/shared.c b/shared.c
index 7def51a..e4595fa 100644
--- a/shared.c
+++ b/shared.c
@@ -92,24 +92,37 @@ void cgit_querystring_cb(const char *name, const char *value)
         } else if (!strcmp(name, "h")) {
                 cgit_query_head = xstrdup(value);
                 cgit_query_has_symref = 1;
         } else if (!strcmp(name, "id")) {
                 cgit_query_sha1 = xstrdup(value);
                 cgit_query_has_sha1 = 1;
         } else if (!strcmp(name, "id2")) {
                 cgit_query_sha2 = xstrdup(value);
                 cgit_query_has_sha1 = 1;
         } else if (!strcmp(name, "ofs")) {
                 cgit_query_ofs = atoi(value);
         }
 }
 
 void *cgit_free_commitinfo(struct commitinfo *info)
 {
         free(info->author);
         free(info->author_email);
         free(info->committer);
         free(info->committer_email);
         free(info->subject);
         free(info);
         return NULL;
 }
+
+int hextoint(char c)
+{
+        if (c >= 'a' && c <= 'f')
+                return 10 + c - 'a';
+        else if (c >= 'A' && c <= 'F')
+                return 10 + c - 'A';
+        else if (c >= '0' && c <= '9')
+                return c - '0';
+        else
+                return -1;
+}
+