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Use a double-underscore prefix for local variables declared in macros

that have arguments.  Document this requirement/recommendation in style(9)
prompted by mpi@
ok deraadt@
master
guenther 4 years ago
parent
commit
5bbd6a0748
1 changed files with 23 additions and 23 deletions
  1. +23
    -23
      src/include/bitstring.h

+ 23
- 23
src/include/bitstring.h View File

@ -1,4 +1,4 @@
/* $OpenBSD: bitstring.h,v 1.5 2003/06/02 19:34:12 millert Exp $ */
/* $OpenBSD: bitstring.h,v 1.6 2020/05/10 00:56:06 guenther Exp $ */
/* $NetBSD: bitstring.h,v 1.5 1997/05/14 15:49:55 pk Exp $ */
/*
@ -83,46 +83,46 @@ typedef unsigned char bitstr_t;
/* clear bits start ... stop in bitstring */
#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++; \
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) do { \
register bitstr_t *_name = name; \
register int _start = start, _stop = stop; \
while (_start <= _stop) { \
bit_set(_name, _start); \
_start++; \
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) do { \
register bitstr_t *_name = name; \
register int _bit, _nbits = nbits, _value = -1; \
for (_bit = 0; _bit < _nbits; ++_bit) \
if (!bit_test(_name, _bit)) { \
_value = _bit; \
register bitstr_t *__name = (name); \
register int __bit, __nbits = (nbits), __value = -1; \
for (__bit = 0; __bit < __nbits; ++__bit) \
if (!bit_test(__name, __bit)) { \
__value = __bit; \
break; \
} \
*(value) = _value; \
*(value) = __value; \
} while(0)
/* find first bit set in name */
#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) \
if (bit_test(_name, _bit)) { \
_value = _bit; \
register bitstr_t *__name = (name); \
register int __bit, __nbits = (nbits), __value = -1; \
for (__bit = 0; __bit < __nbits; ++__bit) \
if (bit_test(__name, __bit)) { \
__value = __bit; \
break; \
} \
*(value) = _value; \
*(value) = __value; \
} while(0)
#endif /* !_BITSTRING_H_ */

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