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connection: Add a function to parse WAYLAND_DEBUG tokens

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Add a new function, wl_check_env_token, to scan for a token in a
comma-separated string.

Change wl_display_create in wayland-server.c and
wl_display_connect_to_fd in wayland-client.c to use that instead of a
simple substring search.

This means that WAYLAND_DEBUG will accept a value like "client,server"
but not "clientserver". But, this will make it easier to add other
tokens without worrying about overlap between them.

Signed-off-by: Kyle Brenneman <kbrenneman@nvidia.com>
This commit is contained in:
Kyle Brenneman 2024-09-17 17:27:37 -06:00 • committed by Daniel Stone
parent 264da6a92b
commit 77730f10a0
4 changed files with 47 additions and 2 deletions
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2
src/wayland-client.c
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@ -1236,7 +1236,7 @@ wl_display_connect_to_fd(int fd)
no_color = getenv("NO_COLOR");
force_color = getenv("FORCE_COLOR");
debug = getenv("WAYLAND_DEBUG");
if (debug && (strstr(debug, "client") || strstr(debug, "1"))) {
if (debug && (wl_check_env_token(debug, "client") || wl_check_env_token(debug, "1"))) {
debug_client = 1;
if (isatty(fileno(stderr)))
debug_color = 1;