libansilove

commit 68993c4cb960f3348fab2f0f5cc96c2e7764334a
parent 55a87419ed22b0b0a1dbc3589a8123cd0592827f
Author: Frederic Cambus <fred@statdns.com>
Date:   Tue,  3 Mar 2020 10:19:01 +0100

Call memset() to set all fontData struct fields to zero.

This prevents an uninitialized memory read found by MemorySanitizer (MSan)
when accessing fontData.isAmigaFont.

Diffstat:
M
src/loaders/ansi.c
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/src/loaders/ansi.c b/src/loaders/ansi.c
@@ -72,6 +72,7 @@ ansilove_ansi(struct ansilove_ctx *ctx, struct ansilove_options *options)
 	const char *errstr;
 
 	/* font selection */
+	memset(&fontData, 0, sizeof(struct fontStruct));
 	select_font(&fontData, options->font);
 
 	switch (options->mode) {