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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/os-compatibility.c
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@ -136,7 +136,7 @@ os_create_anonymous_file(off_t size)
#endif
{
path = getenv("XDG_RUNTIME_DIR");
if (!path) {
if (!path || path[0] != '/') {
errno = ENOENT;
return -1;
}