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-rw-r--r--TOOLS/subfont-c/subfont.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/TOOLS/subfont-c/subfont.c b/TOOLS/subfont-c/subfont.c
index c49bbc8d2a..8608fa12e4 100644
--- a/TOOLS/subfont-c/subfont.c
+++ b/TOOLS/subfont-c/subfont.c
@@ -1030,6 +1030,7 @@ int main(int argc, char **argv) {
abuffer = (unsigned char*)malloc(width*height);
if (abuffer==NULL) ERROR("malloc failed.");
+ memset(abuffer, 0, width*height);
alpha();
write_bitmap(abuffer, 'a');