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Check that XDG base directories paths are absolute

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The [spec][1] reads:

> All paths set in these environment variables must be absolute. If an
> implementation encounters a relative path in any of these variables it should
> consider the path invalid and ignore it.

and

> If $XDG_DATA_HOME is either not set or empty, a default equal to
> $HOME/.local/share should be used.

Testing that the path is absolute also entails that is is non-empty.

[1]: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html

Signed-off-by: Antonin Décimo <antonin.decimo@gmail.com>
This commit is contained in:
Antonin Décimo 2022-03-11 14:08:49 +01:00 • committed by Simon Ser
parent f710d01663
commit 9434e8d69f
8 changed files with 13 additions and 12 deletions
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2
cursor/xcursor.c
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@ -515,7 +515,7 @@ xcursor_library_path(void)
return strdup(env_var);
env_var = getenv("XDG_DATA_HOME");
if (!env_var)
if (!env_var || env_var[0] != '/')
env_var = XDG_DATA_HOME_FALLBACK;
suffix = CURSORDIR ":" XCURSORPATH;