diff options
| author | Lennart Poettering <lennart@poettering.net> | 2014-03-19 00:54:41 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-03-19 00:54:41 +0100 |
| commit | c4a7b2c56e907e39fa9a6cdb21c1970464abd44e (patch) | |
| tree | 0ad70957d5736341e0cc068e50557c08d99a9aac /src/shared | |
| parent | cb9da7f24fb057813606c87f9a73fdb941baa78c (diff) | |
util: add new FOREACH_STRING() macro as syntactic sugar to iterate through a number of fixed strings
Diffstat (limited to 'src/shared')
| -rw-r--r-- | src/shared/strv.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/shared/strv.h b/src/shared/strv.h index b356d034c6..e26ab828d2 100644 --- a/src/shared/strv.h +++ b/src/shared/strv.h @@ -119,3 +119,15 @@ void strv_print(char **l); }) #define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x) + +#define FOREACH_STRING(x, ...) \ + for (char **_l = ({ \ + char **_ll = STRV_MAKE(__VA_ARGS__); \ + x = _ll ? _ll[0] : NULL; \ + _ll; \ + }); \ + _l && *_l; \ + x = ({ \ + _l ++; \ + _l[0]; \ + })) |