libansilove

commit 6d9057bc85983e6c59db679aaadb2ed4fea2c2ad
parent 5dc6297a5952836e3e5f8465488dbbaa281f15bb
Author: Frederic Cambus <fred@statdns.com>
Date:   Fri, 16 Nov 2018 12:08:12 +0100

Unmap ctx->buffer on cleanup. From Joris Vink, thanks!

Diffstat:
M
src/clean.c
 | 
7
+++++++
M
src/init.c
 | 
4
++++

2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/clean.c b/src/clean.c
@@ -10,6 +10,8 @@
  * See LICENSE file for details.
  */
 
+#include <sys/mman.h>
+
 #include <stddef.h>
 #include "ansilove.h"
 #include "gd.h"
@@ -21,6 +23,11 @@ ansilove_clean(struct ansilove_ctx *ctx) {
 
 	if (ctx->png.buffer != NULL)
 		gdFree(ctx->png.buffer);
+
+	if (ctx->buffer != MAP_FAILED)
+		(void)munmap(ctx->buffer, ctx->maplen);
+
+	ctx->maplen = ctx->length = 0;
 	ctx->png.length = 0;
 
 	return 0;
diff --git a/src/init.c b/src/init.c
@@ -10,6 +10,8 @@
  * See LICENSE file for details.
  */
 
+#include <sys/mman.h>
+
 #include <string.h>
 #include "ansilove.h"
 
@@ -25,6 +27,8 @@ ansilove_init(struct ansilove_ctx *ctx, struct ansilove_options *options) {
 	memset(ctx, 0, sizeof(*ctx));
 	memset(options, 0, sizeof(*options));
 
+	ctx->buffer = MAP_FAILED;
+
 	/* default to 8 if bits option is not specified */
 	options->bits = 8;