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/* port.c 4/10/1995
* Functions missing on some OSs.
*/
/* This file has been placed int the PUBLIC DOMAIN by the author.
*/
#include "config.h"
#include <ctype.h>
#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#ifndef FD_ZERO
#include <poll.h>
#endif
#if !HAVE_STRCMP
int
strcmp(a, b)
const char *a;
const char *b;
{
while (*a && *b && *a == *b) ++a, ++b;
return *a > *b ? 1 : *a < *b ? -1 : 0;
}
/* strcmp */
#endif
#if !HAVE_STRCASECMP
int
strcasecmp(s1, s2)
const char *s1, *s2;
{
while (*s1 && *s2 && tolower(*s1) == tolower(*s2)) ++s1, ++s2;
return *s1 > *s2 ? 1 : *s1 < *s2 ? -1 : 0;
}
/* strcasecmp */
#endif
#if !HAVE_USLEEP
int
usleep(usecs)
unsigned long usecs;
/* NOTE: this implementation of `usleep()' is not completely compatible
* with the BSD 4.3 `usleep()'-function, since it can be interupted by
* an incoming signal.
*/
{
#ifdef FD_ZERO
struct timeval tv;
tv.tv_sec = usecs / 1000000;
tv.tv_usec = usecs & 1000000;
select(0, 0, 0, 0, &tv);
#else
struct pollfd fd;
poll(&fd, 0, usecs > 1999 ? usecs / 1000 : 1);
#endif
return 0;
}
/* usleep */
#endif
/* end of port.c */
/* VIM configuration: (do not delete this line)
*
* vim:bk:nodg:efm=%f\:%l\:%m:hid:icon:
* vim:sw=2:sm:textwidth=79:ul=1024:wrap:
*/
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