libansilove

commit f63be4ec7e2f639e42e6b8a73e58c4545a3096b4
parent 7e7535909f43acea657c9f645507eae56444b3fa
Author: Frederic Cambus <fred@statdns.com>
Date:   Fri, 26 Oct 2018 17:57:57 +0200

Add an ansilove_clean() function to free PNG data

Diffstat:
M
CMakeLists.txt
 | 
2
+-
M
include/ansilove.h
 | 
1
+
A
src/clean.c
 | 
27
+++++++++++++++++++++++++++

3 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -21,7 +21,7 @@ find_path(GD_INCLUDE_DIRS gd.h)
 find_library(GD_LIBRARIES NAMES gd REQUIRED)
 include_directories(${GD_INCLUDE_DIRS})
 
-set(SRC src/drawchar.c src/fonts.c src/error.c src/loadfile.c src/init.c src/output.c src/savefile.c)
+set(SRC src/clean.c src/drawchar.c src/fonts.c src/error.c src/loadfile.c src/init.c src/output.c src/savefile.c)
 set(LOADERS src/loaders/ansi.c src/loaders/artworx.c src/loaders/binary.c src/loaders/icedraw.c src/loaders/pcboard.c src/loaders/tundra.c src/loaders/xbin.c)
 
 if(NOT HAVE_STRTONUM)
diff --git a/include/ansilove.h b/include/ansilove.h
@@ -87,6 +87,7 @@ int ansilove_init(struct ansilove_ctx *, struct ansilove_options *);
 char* ansilove_error(struct ansilove_ctx *);
 int ansilove_loadfile(struct ansilove_ctx *, char *);
 int ansilove_savefile(struct ansilove_ctx *, char *);
+int ansilove_clean(struct ansilove_ctx *);
 
 int ansilove_ansi(struct ansilove_ctx *, struct ansilove_options *);
 int ansilove_artworx(struct ansilove_ctx *, struct ansilove_options *);
diff --git a/src/clean.c b/src/clean.c
@@ -0,0 +1,27 @@
+//
+//  clean.c
+//  AnsiLove/C
+//
+//  Copyright (c) 2011-2018 Stefan Vogt, Brian Cassidy, and Frederic Cambus.
+//  All rights reserved.
+//
+//  This source code is licensed under the BSD 2-Clause License.
+//  See the LICENSE file for details.
+//
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include "ansilove.h"
+
+int
+ansilove_clean(struct ansilove_ctx *ctx) {
+	if (ctx == NULL)
+		return -1;
+
+	gdFree((void *)ctx->png.buffer);
+	ctx->png.length = 0;
+
+	return 0;
+}