media: move picture function from dive.c to picture.c

Currently, move only those functions that do not access dive
structures.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 21 insertions, 0 deletions

diff --git a/core/picture.c b/core/picture.c
new file mode 100644
index 000000000..3f887efe8
--- /dev/null
+++ b/core/picture.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "picture.h"
+#include <stdlib.h>
+#include <string.h>
+
+struct picture *alloc_picture()
+{
+	struct picture *pic = malloc(sizeof(struct picture));
+	if (!pic)
+		exit(1);
+	memset(pic, 0, sizeof(struct picture));
+	return pic;
+}
+
+void free_picture(struct picture *picture)
+{
+	if (picture) {
+		free(picture->filename);
+		free(picture);
+	}
+}