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| author | Thomas Haller <thaller@redhat.com> | 2024-08-22 15:48:47 (GMT) |
|---|---|---|
| committer | Thomas Haller <thaller@redhat.com> | 2024-08-22 15:49:00 (GMT) |
| commit | 01f06b57620d0098777ce00951ce46dca9655ae3 (patch) | |
| tree | a7a4c2a88869423ae0aaec2371a880041d66b167 /include/base | |
| parent | 5b5702591c672391e5508e5e62ee1dfcead0176d (diff) | |
| download | libnl-01f06b57620d0098777ce00951ce46dca9655ae3.zip libnl-01f06b57620d0098777ce00951ce46dca9655ae3.tar.gz libnl-01f06b57620d0098777ce00951ce46dca9655ae3.tar.bz2 | |
base: add _nl_swap() helper macro
Diffstat (limited to 'include/base')
| -rw-r--r-- | include/base/nl-base-utils.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/base/nl-base-utils.h b/include/base/nl-base-utils.h index 287a122..a735134 100644 --- a/include/base/nl-base-utils.h +++ b/include/base/nl-base-utils.h @@ -769,6 +769,19 @@ _NL_AUTO_DEFINE_FCN_VOID0(void *, _nl_auto_free_fcn, free); /*****************************************************************************/ +#define _nl_swap(p_a, p_b) \ + do { \ + typeof(*(p_a)) *const _p_a = (p_a); \ + typeof(*(p_a)) *const _p_b = (p_b); \ + typeof(*(p_a)) _tmp; \ + \ + _tmp = *_p_a; \ + *_p_a = *_p_b; \ + *_p_b = _tmp; \ + } while (0) + +/*****************************************************************************/ + #define NSEC_PER_SEC 1000000000L struct trans_tbl { |