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| author |   deraadt <deraadt@openbsd.org> | 1997-05-28 22:09:16 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1997-05-28 22:09:16 +0000 |
| commit | 3545baa89bac6e9c7e941b503cbabb06bc32f067 (patch) | |
| tree | b60ffae7207ccc69367ffb99f57286f40ffa340c /include/bitstring.h | |
| parent | doc broadcast addr better; frueauf@ira.uka.de (diff) | |
| download | wireguard-openbsd-3545baa89bac6e9c7e941b503cbabb06bc32f067.tar.xz wireguard-openbsd-3545baa89bac6e9c7e941b503cbabb06bc32f067.zip | |
do {} while (0); the macros; jarle@runit.sintef.no
Diffstat (limited to 'include/bitstring.h')
| -rw-r--r-- | include/bitstring.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/bitstring.h b/include/bitstring.h index 5966a1d3f5d..6fe2215e2fa 100644 --- a/include/bitstring.h +++ b/include/bitstring.h @@ -69,27 +69,27 @@ typedef unsigned char bitstr_t; (name)[_bit_byte(bit)] &= ~_bit_mask(bit) /* clear bits start ... stop in bitstring */ -#define bit_nclear(name, start, stop) { \ +#define bit_nclear(name, start, stop) do { \ register bitstr_t *_name = name; \ register int _start = start, _stop = stop; \ while (_start <= _stop) { \ bit_clear(_name, _start); \ _start++; \ } \ -} +} while (0) /* set bits start ... stop in bitstring */ -#define bit_nset(name, start, stop) { \ +#define bit_nset(name, start, stop) do { \ register bitstr_t *_name = name; \ register int _start = start, _stop = stop; \ while (_start <= _stop) { \ bit_set(_name, _start); \ _start++; \ } \ -} +} while (0) /* find first bit clear in name */ -#define bit_ffc(name, nbits, value) { \ +#define bit_ffc(name, nbits, value) do { \ register bitstr_t *_name = name; \ register int _bit, _nbits = nbits, _value = -1; \ for (_bit = 0; _bit < _nbits; ++_bit) \ @@ -98,10 +98,10 @@ typedef unsigned char bitstr_t; break; \ } \ *(value) = _value; \ -} +} while (0) /* find first bit set in name */ -#define bit_ffs(name, nbits, value) { \ +#define bit_ffs(name, nbits, value) do { \ register bitstr_t *_name = name; \ register int _bit, _nbits = nbits, _value = -1; \ for (_bit = 0; _bit < _nbits; ++_bit) \ @@ -110,6 +110,6 @@ typedef unsigned char bitstr_t; break; \ } \ *(value) = _value; \ -} +} while (0) #endif /* !_BITSTRING_H_ */ |