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Use standard __VA_OPT__ instead of GNU's ##__VA_ARGS__

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C23 has standardized a way to write variadic macros that accept
zero arguments:
https://open-std.org/JTC1/SC22/WG14/www/docs/n3033.htm

Use that instead of the GNU extension when available.
This commit is contained in:
Simon Ser 2024-01-05 11:48:33 +01:00 • committed by Simon Zeni
parent 315e022f2f
commit 3880ee15d7
3 changed files with 33 additions and 3 deletions
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11
include/backend/drm/drm.h
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@ -220,9 +220,20 @@ void drm_page_flip_destroy(struct wlr_drm_page_flip *page_flip);
struct wlr_drm_layer *get_drm_layer(struct wlr_drm_backend *drm,
struct wlr_output_layer *layer);
#if __STDC_VERSION__ >= 202311L
#define wlr_drm_conn_log(conn, verb, fmt, ...) \
wlr_log(verb, "connector %s: " fmt, conn->name __VA_OPT__(,) __VA_ARGS__)
#define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \
wlr_log_errno(verb, "connector %s: " fmt, conn->name __VA_OPT(,) __VA_ARGS__)
#else
#define wlr_drm_conn_log(conn, verb, fmt, ...) \
wlr_log(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__)
#define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \
wlr_log_errno(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__)
#endif
#endif