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56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/* Beginning of modification history */
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/* Written 02-01-02 by Nick Ing-Simmons (nick@ing-simmons.net) */
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/* Modified 02-03-27 by Paul Green (Paul.Green@stratus.com) to
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add socketpair() dummy. */
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/* Modified 02-04-24 by Paul Green (Paul.Green@stratus.com) to
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have pow(0,0) return 1, avoiding c-1471. */
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/* Modified 06-09-25 by Paul Green (Paul.Green@stratus.com) to
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add syslog entries. */
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/* Modified 08-02-04 by Paul Green (Paul.Green@stratus.com) to
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open the syslog file in the working dir. */
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/* Modified 11-10-17 by Paul Green to remove the dummy copies
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of socketpair() and the syslog functions. */
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/* End of modification history */
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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/* VOS doesn't supply a truncate function, so we build one up
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from the available POSIX functions. */
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int
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truncate(const char *path, off_t len)
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{
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int fd = open(path,O_WRONLY);
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int code = -1;
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if (fd >= 0) {
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code = ftruncate(fd,len);
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close(fd);
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}
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return code;
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}
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/* Supply a private version of the power function that returns 1
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for x**0. This avoids c-1471. Abigail's Japh tests depend
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on this fix. We leave all the other cases to the VOS C
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runtime. */
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double s_crt_pow(double *x, double *y);
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double pow(x,y)
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double x, y;
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{
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if (y == 0e0) /* c-1471 */
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{
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errno = EDOM;
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return (1e0);
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}
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return(s_crt_pow(&x,&y));
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}
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