Free all allocations at end + use calloc instead of memset

Signed-off-by: Mattias Andrée <maandree@kth.se>

3 files changed, 7 insertions, 4 deletions

diff --git a/src/vu-concat.c b/src/vu-concat.c
index 08832fa..d71674f 100644
--- a/src/vu-concat.c
+++ b/src/vu-concat.c
@@ -39,6 +39,8 @@ concat_to_stdout(int argc, char *argv[])
 			ewriteall(STDOUT_FILENO, streams->buf, streams->ptr, "<stdout>");
 		close(streams->fd);
 	}
+
+	free(streams);
 }
 
 static void
diff --git a/src/vu-crop.c b/src/vu-crop.c
index 68b1724..bf5a930 100644
--- a/src/vu-crop.c
+++ b/src/vu-crop.c
@@ -80,5 +80,7 @@ main(int argc, char *argv[])
 		ewriteall(STDOUT_FILENO, image, m, "<stdout>");
 	}
 
+	free(buf);
+	free(image);
 	return 0;
 }
diff --git a/src/vu-extend.c b/src/vu-extend.c
index 0c65bf6..71be7f0 100644
--- a/src/vu-extend.c
+++ b/src/vu-extend.c
@@ -64,10 +64,7 @@ main(int argc, char *argv[])
 	imgh += bottom;
 	echeck_frame_size(imgw, imgh, stream.pixel_size, "output", "<stdout>");
 	m = imgh * (imgw *= stream.pixel_size);
-	image = emalloc(m);
-
-	if (!tile)
-		memset(image, 0, m);
+	image = tile ? emalloc(m) : ecalloc(1, m);
 
 	stream.width += left + right;
 	h = stream.height += top + bottom;
@@ -100,5 +97,7 @@ main(int argc, char *argv[])
 		ewriteall(STDOUT_FILENO, image, m, "<stdout>");
 	}
 
+	free(buf);
+	free(image);
 	return 0;
 }