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/* Beginning of modification history */
/* Written 02-01-02 by Nick Ing-Simmons (nick@ing-simmons.net) */
/* Modified 02-03-27 by Paul Green (Paul.Green@stratus.com) to
add socketpair() dummy. */
/* Modified 02-04-24 by Paul Green (Paul.Green@stratus.com) to
have pow(0,0) return 1, avoiding c-1471. */
/* End of modification history */
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
/* VOS doesn't supply a truncate function, so we build one up
from the available POSIX functions. */
int
truncate(const char *path, off_t len)
{
int fd = open(path,O_WRONLY);
int code = -1;
if (fd >= 0) {
code = ftruncate(fd,len);
close(fd);
}
return code;
}
/* VOS doesn't implement AF_UNIX (AF_LOCAL) style sockets, and
the perl emulation of them hangs on VOS (due to stcp-1257),
so we supply this version that always fails. */
int
socketpair (int family, int type, int protocol, int fd[2]) {
fd[0] = 0;
fd[1] = 0;
errno = ENOSYS;
return -1;
}
/* Supply a private version of the power function that returns 1
for x**0. This avoids c-1471. Abigail's Japh tests depend
on this fix. We leave all the other cases to the VOS C
runtime. */
double s_crt_pow(double *x, double *y);
double pow(x,y)
double x, y;
{
if (y == 0e0) /* c-1471 */
{
errno = EDOM;
return (1e0);
}
return(s_crt_pow(&x,&y));
}
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