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authorSimon McVittie <simon.mcvittie@collabora.co.uk>2015-06-17 11:23:46 +0100
committerSimon McVittie <simon.mcvittie@collabora.co.uk>2015-06-17 11:23:46 +0100
commit11c9f1e48a683fb2e78ee531016099d567baa19a (patch)
treebdb4ab47e2a7334ff333622eb581fcf78240fd3d /CODING_STYLE
parentc986cc70002cf8f28e6ea1e63da46a8124a0882c (diff)
Stop talking about the "XDG" version of basename()
XDG refers to X Desktop Group, a former name for freedesktop.org. This group is responsible for specifications like basedirs, .desktop files and icon naming, but as far as I know, it has never tried to redefine basename(). I think these references were meant to say XPG (X/Open Portability Guide), a precursor of POSIX. POSIX is better-known and less easily confused with XDG, and is how the basename(3) man page describes the libgen.h version of basename(). The other version of basename() is glibc-specific and is described in basename(3) as "the GNU version"; specifically mention that version, to disambiguate.
Diffstat (limited to 'CODING_STYLE')
-rw-r--r--CODING_STYLE7
1 files changed, 4 insertions, 3 deletions
diff --git a/CODING_STYLE b/CODING_STYLE
index bdec988ce6..dbadfbdb54 100644
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -210,11 +210,12 @@
c) recvmsg() must get MSG_CMSG_CLOEXEC set
d) F_DUPFD_CLOEXEC should be used instead of F_DUPFD, and so on
-- We never use the XDG version of basename(). glibc defines it in
- libgen.h. The only reason to include that file is because dirname()
+- We never use the POSIX version of basename() (which glibc defines it in
+ libgen.h), only the GNU version (which glibc defines in string.h).
+ The only reason to include libgen.h is because dirname()
is needed. Everytime you need that please immediately undefine
basename(), and add a comment about it, so that no code ever ends up
- using the XDG version!
+ using the POSIX version!
- Use the bool type for booleans, not integers. One exception: in public
headers (i.e those in src/systemd/sd-*.h) use integers after all, as "bool"