diff options
| author | Lennart Poettering <lennart@poettering.net> | 2015-02-08 11:22:39 -0500 |
|---|---|---|
| committer | Anthony G. Basile <blueness@gentoo.org> | 2015-02-08 11:22:39 -0500 |
| commit | 21212e522478551f3d256619a2efe2b885ad0948 (patch) | |
| tree | b132101f9c1d5656596ed083a82c3ac220bce74a /src/shared/util.h | |
| parent | 750c8ded9b84ded5f08c34a3d82ff862da0398d8 (diff) | |
util: rework strappenda(), and rename it strjoina()
After all it is now much more like strjoin() than strappend(). At the
same time, add support for NULL sentinels, even if they are normally not
necessary.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
Diffstat (limited to 'src/shared/util.h')
| -rw-r--r-- | src/shared/util.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/shared/util.h b/src/shared/util.h index b9f095791d..c5dd6bde0a 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -414,19 +414,19 @@ static inline unsigned log2u_round_up(unsigned x) { int unlink_noerrno(const char *path); -#define strappenda(a, ...) \ - ({ \ - int _len = strlen(a); \ - unsigned _i; \ - char *_d_, *_p_; \ - const char *_appendees_[] = { __VA_ARGS__ }; \ - for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \ - _len += strlen(_appendees_[_i]); \ - _d_ = alloca(_len + 1); \ - _p_ = stpcpy(_d_, a); \ - for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \ - _p_ = stpcpy(_p_, _appendees_[_i]); \ - _d_; \ +#define strjoina(a, ...) \ + ({ \ + const char *_appendees_[] = { a, __VA_ARGS__ }; \ + char *_d_, *_p_; \ + int _len_ = 0; \ + unsigned _i_; \ + for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ + _len_ += strlen(_appendees_[_i_]); \ + _p_ = _d_ = alloca(_len_ + 1); \ + for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ + _p_ = stpcpy(_p_, _appendees_[_i_]); \ + *_p_ = 0; \ + _d_; \ }) #define procfs_file_alloca(pid, field) \ |