https://bugs.freedesktop.org/show_bug.cgi?id=73339
Priority: medium
Bug ID: 73339
Assignee: [email protected]
Summary: libwayland: the library should not print anything to
stderr
Severity: normal
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: NEW
Version: unspecified
Component: wayland
Product: Wayland
For example, the library prints a message to stderr if the XDG_RUNTIME_DIR
envrionment variable is not set:
http://cgit.freedesktop.org/wayland/wayland/tree/src/wayland-client.c?id=cd0dccd01e16fa404e03974d30ded3aebdb1c4bc#n636
There are other cases.
A library should normally never print anything, unless it can be overridden by
setting a message callback. Outputting something, even to stderr, can cause for
terminal programs which want to keep their output clean, especially in case of
non-fatal errors, or for example catch the error message and send it somewhere
else.
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