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Prevent memory leak in copypaste of the screencopy example
If someone want to use screencopy as is processing multiple screenshots - it could be hard to find this issue with shm.
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@ -35,6 +35,7 @@
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <assert.h>
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#include <wayland-client-protocol.h>
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#include "wlr-screencopy-unstable-v1-client-protocol.h"
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@ -111,6 +112,9 @@ static void frame_handle_buffer(void *data,
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buffer.width = width;
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buffer.height = height;
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buffer.stride = stride;
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// Make sure the buffer is not allocated
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assert(!buffer.wl_buffer);
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buffer.wl_buffer =
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create_shm_buffer(format, width, height, stride, &buffer.data);
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if (buffer.wl_buffer == NULL) {
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@ -257,6 +261,7 @@ int main(int argc, char *argv[]) {
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write_image("wayland-screenshot.png", buffer.format, buffer.width,
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buffer.height, buffer.stride, buffer.y_invert, buffer.data);
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wl_buffer_destroy(buffer.wl_buffer);
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munmap(buffer.data, buffer.stride * buffer.height);
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return EXIT_SUCCESS;
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}
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