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output: turn make/model/serial into char *

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This allows the make/model/serial to be NULL when unset, and allows
them to be longer than the hardcoded array length.

This is a breaking change: compositors need to handle the new NULL
case, and we stop setting make/model to useless "headless" or
"wayland" strings.
This commit is contained in:
Simon Ser 2022-05-23 10:32:26 +02:00 • committed by Simon Zeni
parent 2e69eb1030
commit be86145322
7 changed files with 49 additions and 26 deletions
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2
backend/headless/output.c
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@ -115,8 +115,6 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
struct wlr_output *wlr_output = &output->wlr_output;
output_set_custom_mode(output, width, height, 0);
strncpy(wlr_output->make, "headless", sizeof(wlr_output->make));
strncpy(wlr_output->model, "headless", sizeof(wlr_output->model));
char name[64];
snprintf(name, sizeof(name), "HEADLESS-%zu", ++backend->last_output_num);