segfault fix on some bogus requests

ctx.qry.head can be NULL in some cases due to bad requests
by weird bots.  I managed to reproduce with:

   PATH_INFO=/repo.git/shop.php QUERY_STRING=id=

Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Eric Wong 2012-01-04 09:01:51 +00:00 committed by Lars Hjemli
parent 6a575b8900
commit 21418ec42a

View File

@ -294,7 +294,7 @@ void cgit_log_link(const char *name, const char *title, const char *class,
char *delim;
delim = repolink(title, class, "log", head, path);
if (rev && strcmp(rev, ctx.qry.head)) {
if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
html(delim);
html("id=");
html_url_arg(rev);
@ -338,7 +338,7 @@ void cgit_commit_link(char *name, const char *title, const char *class,
char *delim;
delim = repolink(title, class, "commit", head, path);
if (rev && strcmp(rev, ctx.qry.head)) {
if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
html(delim);
html("id=");
html_url_arg(rev);