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| author | Lennart Poettering <lennart@poettering.net> | 2015-02-03 02:05:59 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-02-03 02:05:59 +0100 |
| commit | 63c372cb9df3bee01e3bf8cd7f96f336bddda846 (patch) | |
| tree | bf4d1b6e41f72927a2b58e7dd21daa0c496aaa96 /src/shared/util.h | |
| parent | 44de0efc6e406515fc1cf8b95d9655d0d7f7ffff (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.
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 410ce65f14..7dfabbc07d 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -931,19 +931,19 @@ int unlink_noerrno(const char *path); (void*)memset(_new_, 0, _size_); \ }) -#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) \ |