diff options
| -rw-r--r-- | examples/screencopy.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/examples/screencopy.c b/examples/screencopy.c index 28ad7f06..cf4652f4 100644 --- a/examples/screencopy.c +++ b/examples/screencopy.c @@ -35,6 +35,7 @@ #include <sys/stat.h> #include <sys/wait.h> #include <unistd.h> +#include <assert.h> #include <wayland-client-protocol.h> #include "wlr-screencopy-unstable-v1-client-protocol.h" @@ -111,6 +112,9 @@ static void frame_handle_buffer(void *data, buffer.width = width; buffer.height = height; buffer.stride = stride; + + // Make sure the buffer is not allocated + assert(!buffer.wl_buffer); buffer.wl_buffer = create_shm_buffer(format, width, height, stride, &buffer.data); if (buffer.wl_buffer == NULL) { @@ -257,6 +261,7 @@ int main(int argc, char *argv[]) { write_image("wayland-screenshot.png", buffer.format, buffer.width, buffer.height, buffer.stride, buffer.y_invert, buffer.data); wl_buffer_destroy(buffer.wl_buffer); + munmap(buffer.data, buffer.stride * buffer.height); return EXIT_SUCCESS; } |