--- /dev/null
+/*
+ +----------------------------------------------------------------------+
+ | PHP HTML Embedded Scripting Language Version 3.0 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-1999 PHP Development Team (See Credits file) |
+ +----------------------------------------------------------------------+
+ | This program is free software; you can redistribute it and/or modify |
+ | it under the terms of one of the following licenses: |
+ | |
+ | A) the GNU General Public License as published by the Free Software |
+ | Foundation; either version 2 of the License, or (at your option) |
+ | any later version. |
+ | |
+ | B) the PHP License as published by the PHP Development Team and |
+ | included in the distribution in the file: LICENSE |
+ | |
+ | This program is distributed in the hope that it will be useful, |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+ | GNU General Public License for more details. |
+ | |
+ | You should have received a copy of both licenses referred to here. |
+ | If you did not, or have any questions about PHP licensing, please |
+ | contact core@php.net. |
+ +----------------------------------------------------------------------+
+ | Authors: Sascha Schumann <sas@schell.de> |
+ +----------------------------------------------------------------------+
+
+ $Id$
+ */
+
+
+#include <errno.h>
+#include "php_compat.h"
+
+#if HAVE_STRUCT_FLOCK
+#include <unistd.h>
+#include <fcntl.h>
+#endif
+
+#if WIN32|WINNT
+#include <windows.h>
+#include <io.h>
+#endif
+
+#if !HAVE_FLOCK
+PHPAPI int flock(int fd, int operation)
+#if HAVE_STRUCT_FLOCK
+{
+ struct flock flck;
+ int ret;
+
+ flck.l_start = flck.l_len = 0;
+ flck.l_whence = SEEK_SET;
+
+ if (operation & LOCK_SH)
+ flck.l_type = F_RDLCK;
+ else if (operation & LOCK_EX)
+ flck.l_type = F_WRLCK;
+ else if (operation & LOCK_UN)
+ flck.l_type = F_UNLCK;
+ else {
+ errno = EINVAL;
+ return -1;
+ }
+
+ ret = fcntl(fd, operation & LOCK_NB ? F_SETLK : F_SETLKW, &flck);
+
+ if (operation & LOCK_NB && ret == -1 &&
+ (errno == EACCES || errno == EAGAIN))
+ errno = EWOULDBLOCK;
+
+ if (ret != -1) ret = 0;
+
+ return ret;
+}
+#elif WIN32|WINNT
+/*
+ * Program: Unix compatibility routines
+ *
+ * Author: Mark Crispin
+ * Networks and Distributed Computing
+ * Computing & Communications
+ * University of Washington
+ * Administration Building, AG-44
+ * Seattle, WA 98195
+ * Internet: MRC@CAC.Washington.EDU
+ *
+ * Date: 14 September 1996
+ * Last Edited: 14 August 1997
+ *
+ * Copyright 1997 by the University of Washington
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appears in all copies and that both the
+ * above copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the University of Washington not be
+ * used in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. This software is made available
+ * "as is", and
+ * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
+ * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
+ * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
+ * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/* DEDICATION
+
+ * This file is dedicated to my dog, Unix, also known as Yun-chan and
+ * Unix J. Terwilliker Jehosophat Aloysius Monstrosity Animal Beast. Unix
+ * passed away at the age of 11 1/2 on September 14, 1996, 12:18 PM PDT, after
+ * a two-month bout with cirrhosis of the liver.
+ *
+ * He was a dear friend, and I miss him terribly.
+ *
+ * Lift a leg, Yunie. Luv ya forever!!!!
+ */
+{
+ HANDLE hdl = (HANDLE) _get_osfhandle(fd);
+ DWORD low = 1, high = 0;
+ OVERLAPPED offset =
+ {0, 0, 0, 0, NULL};
+ if (hdl < 0)
+ return -1; /* error in file descriptor */
+ /* bug for bug compatible with Unix */
+ UnlockFileEx(hdl, 0, low, high, &offset);
+ switch (operation & ~LOCK_NB) { /* translate to LockFileEx() op */
+ case LOCK_EX: /* exclusive */
+ if (LockFileEx(hdl, LOCKFILE_EXCLUSIVE_LOCK +
+ ((operation & LOCK_NB) ? LOCKFILE_FAIL_IMMEDIATELY : 0),
+ 0, low, high, &offset))
+ return 0;
+ break;
+ case LOCK_SH: /* shared */
+ if (LockFileEx(hdl, ((operation & LOCK_NB) ? LOCKFILE_FAIL_IMMEDIATELY : 0),
+ 0, low, high, &offset))
+ return 0;
+ break;
+ case LOCK_UN: /* unlock */
+ return 0; /* always succeeds */
+ default: /* default */
+ break;
+ }
+ /* Under Win32 MT library, errno is not a variable but a function call,
+ * which cannot be assigned to.
+ */
+#if !(WIN32|WINNT)
+ errno = EINVAL; /* bad call */
+#endif
+ return -1;
+}
+#else
+#warning no proper flock support for your site
+{
+ errno = 0;
+ return 0;
+}
+#endif
+#endif /* !HAVE_FLOCK */
+
+#if !(HAVE_INET_ATON)
+
+/*
+ * Check whether "cp" is a valid ascii representation
+ * of an Internet address and convert to a binary address.
+ * Returns 1 if the address is valid, 0 if not.
+ * This replaces inet_addr, the return value from which
+ * cannot distinguish between failure and a local broadcast address.
+ */
+
+PHPAPI int
+inet_aton(const char *cp, struct in_addr *ap)
+{
+ int dots = 0;
+ register unsigned long acc = 0, addr = 0;
+
+ do {
+ register char cc = *cp;
+
+ switch (cc) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ acc = acc * 10 + (cc - '0');
+ break;
+
+ case '.':
+ if (++dots > 3) {
+ return 0;
+ }
+ /* Fall through */
+
+ case '\0':
+ if (acc > 255) {
+ return 0;
+ }
+ addr = addr << 8 | acc;
+ acc = 0;
+ break;
+
+ default:
+ return 0;
+ }
+ } while (*cp++) ;
+
+ /* Normalize the address */
+ if (dots < 3) {
+ addr <<= 8 * (3 - dots) ;
+ }
+
+ /* Store it if requested */
+ if (ap) {
+ ap->s_addr = htonl(addr);
+ }
+
+ return 1;
+}
+
+#endif /* !HAVE_INET_ATON */
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