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Merge "Add const for first argument of sigismember for fit POSIX spec"

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Elliott Hughes 2013-01-23 01:11:28 +00:00 committed by Gerrit Code Review
commit 28f82b260c
1 changed files with 2 additions and 2 deletions
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4
libc/include/signal.h
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@ -57,13 +57,13 @@ typedef int sig_atomic_t;
extern const char* const sys_siglist[]; extern const char* const sys_siglist[];
extern const char* const sys_signame[]; extern const char* const sys_signame[];
static __inline__ int sigismember(sigset_t* set, int signum) { static __inline__ int sigismember(const sigset_t* set, int signum) {
int bit = signum - 1; // Signal numbers start at 1, but bit positions start at 0. int bit = signum - 1; // Signal numbers start at 1, but bit positions start at 0.
if (set == NULL || bit < 0 || bit >= 8*sizeof(sigset_t)) { if (set == NULL || bit < 0 || bit >= 8*sizeof(sigset_t)) {
errno = EINVAL; errno = EINVAL;
return -1; return -1;
} }
unsigned long* local_set = (unsigned long*) set; const unsigned long* local_set = (const unsigned long*) set;
return (int) ((local_set[bit / LONG_BIT] >> (bit % LONG_BIT)) & 1); return (int) ((local_set[bit / LONG_BIT] >> (bit % LONG_BIT)) & 1);
} }