diff options
Diffstat (limited to 'libc/include/sys/select.h')
| -rw-r--r-- | libc/include/sys/select.h | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/libc/include/sys/select.h b/libc/include/sys/select.h index c8cd8e1..50ac228 100644 --- a/libc/include/sys/select.h +++ b/libc/include/sys/select.h @@ -32,6 +32,7 @@ #include <sys/time.h> #include <sys/types.h> #include <signal.h> +#include <string.h> __BEGIN_DECLS @@ -46,21 +47,19 @@ typedef struct { #define __FDELT(fd) ((fd) / __NFDBITS) #define __FDMASK(fd) (1UL << ((fd) % __NFDBITS)) #define __FDS_BITS(set) (((fd_set*)(set))->fds_bits) +#define __FD_ZERO(set) (memset(set, 0, sizeof(*(fd_set*)(set)))) + +#if defined(__BIONIC_FORTIFY) +extern void __FD_CLR_chk(int, fd_set*, size_t); +extern void __FD_SET_chk(int, fd_set*, size_t); +extern int __FD_ISSET_chk(int, fd_set*, size_t); +#define __FD_CLR(fd, set) __FD_CLR_chk(fd, set, __bos(set)) +#define __FD_SET(fd, set) __FD_SET_chk(fd, set, __bos(set)) +#define __FD_ISSET(fd, set) __FD_ISSET_chk(fd, set, __bos(set)) +#else #define __FD_CLR(fd, set) (__FDS_BITS(set)[__FDELT(fd)] &= ~__FDMASK(fd)) #define __FD_SET(fd, set) (__FDS_BITS(set)[__FDELT(fd)] |= __FDMASK(fd)) #define __FD_ISSET(fd, set) ((__FDS_BITS(set)[__FDELT(fd)] & __FDMASK(fd)) != 0) -#define __FD_ZERO(set) (__builtin_memset(set, 0, sizeof(*(fd_set*)(set)))) - -#if defined(__BIONIC_FORTIFY) -extern void __FD_CLR_chk(int, fd_set*); -extern void __FD_SET_chk(int, fd_set*); -extern int __FD_ISSET_chk(int, fd_set*); -#undef __FD_CLR -#undef __FD_SET -#undef __FD_ISSET -#define __FD_CLR(fd, set) __FD_CLR_chk(fd, set) -#define __FD_SET(fd, set) __FD_SET_chk(fd, set) -#define __FD_ISSET(fd, set) __FD_ISSET_chk(fd, set) #endif /* defined(__BIONIC_FORTIFY) */ extern int select(int, fd_set*, fd_set*, fd_set*, struct timeval*); |