#ifndef HAVE_WAITPID
pid_t waitpid(pid_t pid, int *statptr, int options)
{
+#ifdef HAVE_WAIT4
return wait4(pid, statptr, options, NULL);
+#else
+ /* If wait4 is also not available, try wait3 for SVR3 variants */
+ /* Less ideal because can't actually request a specific pid */
+ /* At least the WNOHANG option is supported */
+ /* Code borrowed from apache fragment written by dwd@bell-labs.com */
+ int tmp_pid, dummystat;;
+ if (kill(pid, 0) == -1) {
+ errno = ECHILD;
+ return -1;
+ }
+ if (statptr == NULL)
+ statptr = &dummystat;
+ while (((tmp_pid = wait3(statptr, options, 0)) != pid) &&
+ (tmp_pid != -1) && (tmp_pid != 0) && (pid != -1))
+ ;
+ return tmp_pid;
+#endif
}
#endif
#ifndef HAVE_MEMMOVE
void *memmove(void *dest, const void *src, size_t n)
{
- memcpy(dest, src, n);
+ bcopy((char *) src, (char *) dest, n);
return dest;
}
#endif
return ret;
}
#endif
+
+#ifndef HAVE_INET_ATON
+ int inet_aton(const char *cp, struct in_addr *inp)
+{
+ unsigned int a1, a2, a3, a4;
+ unsigned long ret;
+
+ if (strcmp(cp, "255.255.255.255") == 0) {
+ inp->s_addr = (unsigned) -1;
+ return 1;
+ }
+
+ if (sscanf(cp, "%u.%u.%u.%u", &a1, &a2, &a3, &a4) != 4 ||
+ a1 > 255 || a2 > 255 || a3 > 255 || a4 > 255) {
+ return 1;
+ }
+
+ ret = (a1 << 24) | (a2 << 16) | (a3 << 8) | a4;
+
+ inp->s_addr = htonl(ret);
+
+ if (inp->s_addr == (unsigned) -1) {
+ return 0;
+ }
+ return 1;
+}
+#endif
+
+/* some systems don't take the 2nd argument */
+int sys_gettimeofday(struct timeval *tv)
+{
+#if HAVE_GETTIMEOFDAY_TZ
+ return gettimeofday(tv, NULL);
+#else
+ return gettimeofday(tv);
+#endif
+}