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ui-shared.c: fix segfault when repo is empty
PATH_INFO="/$REPONAME/commit/?id=1" QUERY_STRING="id=1" ./cgit.cgi triggers segfault when the repository is empty and therefore ctx.qry.head is unset Signed-off-by: Florian Pritz <bluewind@xssn.at> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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@ -246,7 +246,7 @@ static void reporevlink(char *page, char *name, char *title, char *class,
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char *delim;
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char *delim;
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delim = repolink(title, class, page, head, path);
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delim = repolink(title, class, page, head, path);
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if (rev && strcmp(rev, ctx.qry.head)) {
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if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
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html(delim);
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html(delim);
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html("id=");
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html("id=");
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html_url_arg(rev);
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html_url_arg(rev);
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@ -346,7 +346,7 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
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char *delim;
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char *delim;
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delim = repolink(title, class, "diff", head, path);
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delim = repolink(title, class, "diff", head, path);
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if (new_rev && strcmp(new_rev, ctx.qry.head)) {
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if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
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html(delim);
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html(delim);
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html("id=");
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html("id=");
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html_url_arg(new_rev);
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html_url_arg(new_rev);
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