From da071ff8a2a20984b5f3ea5c355c8a7063f51860 Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@cs.manchester.ac.uk>
Date: Sat, 27 Oct 2007 15:16:54 +0100
Subject: [PATCH] Add API for freeing images

---
 examples/img_capture.c | 1 +
 libfprint/fprint.h     | 1 +
 libfprint/img.c        | 5 +++++
 3 files changed, 7 insertions(+)

diff --git a/examples/img_capture.c b/examples/img_capture.c
index 1d88fdf..977113d 100644
--- a/examples/img_capture.c
+++ b/examples/img_capture.c
@@ -94,6 +94,7 @@ int main(void)
 
 	fp_img_standardize(img);
 	r = fp_img_save_to_file(img, "finger_standardized.pgm");
+	fp_img_free(img);
 	if (r) {
 		fprintf(stderr, "standardized img save failed, code %d\n", r);
 		goto out_close;
diff --git a/libfprint/fprint.h b/libfprint/fprint.h
index 8a10a90..89d05c7 100644
--- a/libfprint/fprint.h
+++ b/libfprint/fprint.h
@@ -100,6 +100,7 @@ int fp_img_get_width(struct fp_img *img);
 unsigned char *fp_img_get_data(struct fp_img *img);
 int fp_img_save_to_file(struct fp_img *img, char *path);
 void fp_img_standardize(struct fp_img *img);
+void fp_img_free(struct fp_img *img);
 
 /* Library */
 int fp_init(void);
diff --git a/libfprint/img.c b/libfprint/img.c
index 38c492f..55e1190 100644
--- a/libfprint/img.c
+++ b/libfprint/img.c
@@ -61,6 +61,11 @@ struct fp_img *fpi_img_resize(struct fp_img *img, size_t newsize)
 	return g_realloc(img, sizeof(*img) + newsize);
 }
 
+API_EXPORTED void fp_img_free(struct fp_img *img)
+{
+	g_free(img);
+}
+
 API_EXPORTED int fp_img_get_height(struct fp_img *img)
 {
 	return img->height;