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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-10-11 13:40:50 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-10-11 13:40:50 -0400 |
| commit | b744e8937ce603090a9bf64ac7d8cc2c1a29e4f0 (patch) | |
| tree | d6873059fd870c78dae268671ad0e12ac8c493db /src/basic/strv.h | |
| parent | 40f45ff0c339971fd088e6f9cc2e61444087685d (diff) | |
| parent | a46eac1bbddcdd15e741fc6c8389078db1067f81 (diff) | |
Merge pull request #4067 from poettering/invocation-id
Add an "invocation ID" concept to the service manager
Diffstat (limited to 'src/basic/strv.h')
| -rw-r--r-- | src/basic/strv.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/basic/strv.h b/src/basic/strv.h index fec2597db0..385ad17779 100644 --- a/src/basic/strv.h +++ b/src/basic/strv.h @@ -96,10 +96,13 @@ bool strv_overlap(char **a, char **b) _pure_; #define STRV_FOREACH(s, l) \ for ((s) = (l); (s) && *(s); (s)++) -#define STRV_FOREACH_BACKWARDS(s, l) \ - STRV_FOREACH(s, l) \ - ; \ - for ((s)--; (l) && ((s) >= (l)); (s)--) +#define STRV_FOREACH_BACKWARDS(s, l) \ + for (s = ({ \ + char **_l = l; \ + _l ? _l + strv_length(_l) - 1U : NULL; \ + }); \ + (l) && ((s) >= (l)); \ + (s)--) #define STRV_FOREACH_PAIR(x, y, l) \ for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1)) |