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fix broken FD_* macros on 64-bit targets

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1 is too small if int is 32-bit but unsigned long is 64-bit. be
explicit and use 1UL.
This commit is contained in:
Rich Felker 2011-08-27 19:42:13 -04:00
parent 291666a14a
commit 1f5ff26cd7
1 changed files with 3 additions and 3 deletions
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6
include/sys/select.h
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@ -23,9 +23,9 @@ typedef struct
} fd_set;
#define FD_ZERO(s) do { int __i; unsigned long *__b=(s)->fds_bits; for(__i=sizeof (fd_set)/sizeof (long); __i; __i--) *__b++=0; } while(0)
#define FD_SET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] |= (1<<((d)%(8*sizeof(long)))))
#define FD_CLR(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] &= ~(1<<((d)%(8*sizeof(long)))))
#define FD_ISSET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] & (1<<((d)%(8*sizeof(long)))))
#define FD_SET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] |= (1UL<<((d)%(8*sizeof(long)))))
#define FD_CLR(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] &= ~(1UL<<((d)%(8*sizeof(long)))))
#define FD_ISSET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] & (1UL<<((d)%(8*sizeof(long)))))
int select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
int pselect (int, fd_set *, fd_set *, fd_set *, const struct timespec *, const sigset_t *);