From 6fddad7251021b307c8a3f70fdd2aa04c3f74eaa Mon Sep 17 00:00:00 2001
From: Lars Hjemli <hjemli@gmail.com>
Date: Sun, 15 Mar 2009 08:57:33 +0100
Subject: ui-snapshot: avoid segfault when no filename is specified
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
---
ui-snapshot.c | 23 +++++++++++++++++------
1 file changed, 17 insertions(+), 6 deletions(-)
(limited to 'ui-snapshot.c')
diff --git a/ui-snapshot.c b/ui-snapshot.c
index f25613e..5372f5d 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -156,20 +156,31 @@ static const char *get_ref_from_filename(const char *url, const char *filename,
return NULL;
}
+void show_error(char *msg)
+{
+ ctx.page.mimetype = "text/html";
+ cgit_print_http_headers(&ctx);
+ cgit_print_docstart(&ctx);
+ cgit_print_pageheader(&ctx);
+ cgit_print_error(msg);
+ cgit_print_docend();
+}
+
void cgit_print_snapshot(const char *head, const char *hex,
const char *filename, int snapshots, int dwim)
{
const struct cgit_snapshot_format* f;
char *prefix = NULL;
+ if (!filename) {
+ show_error("No snapshot name specified");
+ return;
+ }
+
f = get_format(filename);
if (!f) {
- ctx.page.mimetype = "text/html";
- cgit_print_http_headers(&ctx);
- cgit_print_docstart(&ctx);
- cgit_print_pageheader(&ctx);
- cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
- cgit_print_docend();
+ show_error(xstrdup(fmt("Unsupported snapshot format: %s",
+ filename)));
return;
}
--
cgit v1.2.3-54-g00ecf