Convert cgit_print_error to a variadic function

This removes many uses of "fmt" which uses a fixed size static pool of
fixed size buffers.  Instead of relying on these, we now pass around
argument lists for as long as possible before using a strbuf to render
content of an arbitrary size.

Signed-off-by: John Keeping <john@keeping.me.uk>

1 files changed, 13 insertions, 2 deletions

diff --git a/ui-shared.c b/ui-shared.c
index c1f3c20..b93b77a 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -28,10 +28,21 @@ static char *http_date(time_t t)
                    tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-void cgit_print_error(const char *msg)
+void cgit_print_error(const char *fmt, ...)
 {
+        va_list ap;
+        va_start(ap, fmt);
+        cgit_vprint_error(fmt, ap);
+        va_end(ap);
+}
+
+void cgit_vprint_error(const char *fmt, va_list ap)
+{
+        va_list cp;
         html("<div class='error'>");
-        html_txt(msg);
+        va_copy(cp, ap);
+        html_vtxtf(fmt, cp);
+        va_end(cp);
         html("</div>\n");
 }