# HG changeset patch
# User Scoopta <scoopta@scoopta.email>
# Date 1735031893 28800
#      Tue Dec 24 01:18:13 2024 -0800
# Node ID b8668b4d6d6d33e3de86ce3fa4331249bc0abc8b
# Parent  4f3db4dbe36cc651f9bd7931a35dc7cbc489452c
Added proper error handling for a failure of ftruncate()

diff --git a/src/scpy_source.c b/src/scpy_source.c
--- a/src/scpy_source.c
+++ b/src/scpy_source.c
@@ -239,7 +239,13 @@
 	this->frame->fd = shm_open("/wlrobs", O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
 	shm_unlink("/wlrobs");
 	int err = ftruncate(this->frame->fd, stride * height);
-	if(err) {}
+	if(err < 0) {
+		perror("Unable to resize shm");
+		zwlr_screencopy_frame_v1_destroy(frame);
+		close(this->frame->fd);
+		this->waiting = false;
+		return;
+	}
 	this->frame->pool = wl_shm_create_pool(this->shm, this->frame->fd, stride * height);
 	this->frame->buffer = wl_shm_pool_create_buffer(this->frame->pool, 0, width, height, stride, format);
 	zwlr_screencopy_frame_v1_copy(frame, this->frame->buffer);
@@ -274,7 +280,6 @@
 	wl_buffer_destroy(this->frame->buffer);
 	wl_shm_pool_destroy(this->frame->pool);
 	close(this->frame->fd);
-	shm_unlink("/wlrobs");
 	this->waiting = false;
 }