mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-22 01:59:26 +00:00
Code Issues Releases Wiki Activity

fix: nil: Fix ISC_LEADING_ZEROS and ISC_TRAILING_ZEROS macros

Browse Source 
Closes #5488

Merge branch '5488-fix-isc-leading-trailing-zeros-macros' into 'main'

See merge request isc-projects/bind9!10875
This commit is contained in:
Mark Andrews 2025-08-21 09:54:29 +10:00
commit b7eb292121
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/isc/include/isc/bit.h
View File

@ -49,22 +49,22 @@
#define ISC_LEADING_ZEROS(x) __builtin_clzg(x, (int)(sizeof(x) * 8))
#else /* HAVE_BUILTIN_CLZG */
#define ISC_LEADING_ZEROS(x) \
((x) == 0) ? (sizeof(x) * 8) \
(((x) == 0) ? (sizeof(x) * 8) \
: _Generic((x), \
unsigned int: __builtin_clz, \
unsigned long: __builtin_clzl, \
unsigned long long: __builtin_clzll)(x)
unsigned long long: __builtin_clzll)(x))
#endif /* HAVE_BUILTIN_CLZG */
#ifdef HAVE_BUILTIN_CTZG
#define ISC_TRAILING_ZEROS(x) __builtin_ctzg(x, (int)sizeof(x) * 8)
#else /* HAVE_BUILTIN_CTZG */
#define ISC_TRAILING_ZEROS(x) \
((x) == 0) ? (sizeof(x) * 8) \
(((x) == 0) ? (sizeof(x) * 8) \
: _Generic((x), \
unsigned int: __builtin_ctz, \
unsigned long: __builtin_ctzl, \
unsigned long long: __builtin_ctzll)(x)
unsigned long long: __builtin_ctzll)(x))
#endif /* HAVE_BUILTIN_CTZG */
#define ISC_LEADING_ONES(x) ISC_LEADING_ZEROS(~(x))