Settle the names, types and layout of the sources

1 file changed, 3 insertions, 3 deletions

diff --git a/source/html.c b/source/html.c
index 700f033..c3ab696 100644
--- a/source/html.c
+++ b/source/html.c
@@ -46,7 +46,7 @@ static const char* url_escape_table[256] = {
 	"%f8", "%f9", "%fa", "%fb", "%fc", "%fd", "%fe", "%ff"
 };
 
-char *fmt(const char *format, ...)
+char *cgit_fmt(const char *format, ...)
 {
 	static char buf[8][1024];
 	static int bufidx;
@@ -59,14 +59,14 @@ char *fmt(const char *format, ...)
 	va_start(args, format);
 	len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
 	va_end(args);
-	if (len >= sizeof(buf[bufidx])) {
+	if (len < 0 || (size_t)len >= sizeof(buf[bufidx])) {
 		fprintf(stderr, "[html.c] string truncated: %s\n", format);
 		exit(1);
 	}
 	return buf[bufidx];
 }
 
-char *fmtalloc(const char *format, ...)
+char *cgit_fmtalloc(const char *format, ...)
 {
 	struct strbuf sb = STRBUF_INIT;
 	va_list args;