From 16148abf5eac0e52464ab0fc589c805728790dd2 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Thu, 18 Jul 2019 01:15:59 -0400
Subject: image_destroy(): Close file stream

---
diff --git a/src/image.c b/src/image.c
index 2c1da2a..d85c9fd 100644
--- a/src/image.c
+++ b/src/image.c
@@ -31,6 +31,7 @@
 #include "text.h"
 
 struct image {
+	FILE        *fp;
 	png_structp  png_ptr;
 	png_infop    info_ptr;
 };
@@ -39,15 +40,14 @@ struct image *
 image_new(const char *file_name)
 {
 	struct image *image;
-	FILE         *fp;
 
 	image = calloc(1, sizeof(*image));
 	if (!image) {
 		return NULL;
 	}
 
-	fp = fopen(file_name, "wb");
-	if (!fp) {
+	image->fp = fopen(file_name, "wb");
+	if (!image->fp) {
 		printf(_("Error: Cannot open \"%s\" for writing\n"), file_name);
 		return image_destroy(&image);
 	}
@@ -63,7 +63,7 @@ image_new(const char *file_name)
 		return image_destroy(&image);
 	}
 
-	png_init_io(image->png_ptr, fp);
+	png_init_io(image->png_ptr, image->fp);
 
 	return image;
 }
@@ -107,6 +107,7 @@ image_destroy(struct image **image_p)
 
 	image = *image_p;
 
+	fclose(image->fp);
 	png_destroy_write_struct(&image->png_ptr, &image->info_ptr);
 	free(image);
 	return image = NULL;
--
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