mirror of
https://github.com/signalwire/freeswitch.git
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f298d6855f
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10819 d0543943-73ff-0310-b7d9-9358b9ac24b2
418 lines
9.3 KiB
C
418 lines
9.3 KiB
C
/******************************************************************************
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**
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** file.c
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**
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** This file is part of the ABYSS Web server project.
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**
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** Copyright (C) 2000 by Moez Mahfoudh <mmoez@bigfoot.com>.
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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** ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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** SUCH DAMAGE.
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**
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******************************************************************************/
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#include "xmlrpc_config.h"
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#include "mallocvar.h"
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#define _CRT_SECURE_NO_WARNINGS
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/* Tell msvcrt not to warn about functions that are often misused and
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cause security exposures.
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*/
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#if !defined(_FILE_OFFSET_BITS)
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#define _FILE_OFFSET_BITS 64
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#endif
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/* Tell GNU libc to make off_t 64 bits and all the POSIX file functions
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the versions that handle 64 bit file offsets.
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*/
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#if !defined(_LARGE_FILES)
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#define _LARGE_FILES
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#endif
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/* Same as above, but for AIX */
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#include <string.h>
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#if MSVCRT
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#include <io.h>
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typedef __int64 readwriterc_t;
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#else
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#include <unistd.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <sys/stat.h>
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typedef ssize_t readwriterc_t;
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#endif
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#include "bool.h"
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#include "xmlrpc-c/string_int.h"
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#include "xmlrpc-c/abyss.h"
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#include "file.h"
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bool const win32 =
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#ifdef WIN32
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TRUE;
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#else
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FALSE;
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#endif
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struct TFileFind {
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#ifdef WIN32
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#if MSVCRT
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intptr_t handle;
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#else
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HANDLE handle;
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#endif
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#else
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char path[NAME_MAX+1];
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DIR * handle;
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#endif
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};
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/*********************************************************************
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** File
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*********************************************************************/
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static void
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createFileImage(TFile ** const filePP,
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const char * const name,
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uint32_t const attrib,
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bool const createFile,
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bool * const succeededP) {
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TFile * fileP;
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MALLOCVAR(fileP);
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if (fileP == NULL)
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*succeededP = FALSE;
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else {
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int rc;
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if (createFile)
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rc = open(name, attrib | O_CREAT, S_IWRITE | S_IREAD);
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else
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rc = open(name, attrib);
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if (rc < 0)
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*succeededP = FALSE;
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else {
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fileP->fd = rc;
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*succeededP = TRUE;
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}
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if (!*succeededP)
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free(fileP);
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}
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*filePP = fileP;
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}
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bool
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FileOpen(TFile ** const filePP,
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const char * const name,
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uint32_t const attrib) {
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bool succeeded;
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createFileImage(filePP, name, attrib, FALSE, &succeeded);
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return succeeded;
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}
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bool
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FileOpenCreate(TFile ** const filePP,
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const char * const name,
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uint32_t const attrib) {
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bool succeeded;
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createFileImage(filePP, name, attrib, TRUE, &succeeded);
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return succeeded;
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}
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bool
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FileWrite(const TFile * const fileP,
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const void * const buffer,
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uint32_t const len) {
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readwriterc_t rc;
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rc = write(fileP->fd, buffer, len);
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return (rc > 0 && (uint32_t)rc == len);
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}
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int32_t
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FileRead(const TFile * const fileP,
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void * const buffer,
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uint32_t const len) {
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return read(fileP->fd, buffer, len);
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}
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bool
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FileSeek(const TFile * const fileP,
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uint64_t const pos,
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uint32_t const attrib) {
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int64_t rc;
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#if MSVCRT
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rc = _lseeki64(fileP->fd, pos, attrib);
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#else
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rc = lseek(fileP->fd, pos, attrib);
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#endif
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return (rc >= 0);
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}
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uint64_t
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FileSize(const TFile * const fileP) {
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#if MSVCRT
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return (_filelength(fileP->fd));
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#else
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struct stat fs;
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fstat(fileP->fd, &fs);
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return (fs.st_size);
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#endif
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}
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bool
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FileClose(TFile * const fileP) {
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int rc;
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rc = close(fileP->fd);
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if (rc >= 0)
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free(fileP);
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return (rc >= 0);
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}
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bool
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FileStat(const char * const filename,
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TFileStat * const filestat) {
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int rc;
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#if MSVCRT
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rc = _stati64(filename,filestat);
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#else
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rc = stat(filename,filestat);
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#endif
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return (rc >= 0);
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}
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static void
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fileFindFirstWin(TFileFind * const filefindP ATTR_UNUSED,
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const char * const path,
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TFileInfo * const fileinfo ATTR_UNUSED,
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bool * const retP ATTR_UNUSED) {
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const char * search;
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xmlrpc_asprintf(&search, "%s\\*", path);
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#if MSVCRT
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filefindP->handle = _findfirsti64(search, fileinfo);
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*retP = filefindP->handle != -1;
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#else
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#ifdef WIN32
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filefindP->handle = FindFirstFile(search, &fileinfo->data);
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*retP = filefindP->handle != INVALID_HANDLE_VALUE;
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if (*retP) {
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LARGE_INTEGER li;
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li.LowPart = fileinfo->data.nFileSizeLow;
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li.HighPart = fileinfo->data.nFileSizeHigh;
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strcpy( fileinfo->name, fileinfo->data.cFileName );
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fileinfo->attrib = fileinfo->data.dwFileAttributes;
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fileinfo->size = li.QuadPart;
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fileinfo->time_write = fileinfo->data.ftLastWriteTime.dwLowDateTime;
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}
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#endif
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#endif
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xmlrpc_strfree(search);
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}
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static void
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fileFindFirstPosix(TFileFind * const filefindP,
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const char * const path,
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TFileInfo * const fileinfo,
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bool * const retP) {
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#if !MSVCRT
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strncpy(filefindP->path, path, NAME_MAX);
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filefindP->path[NAME_MAX] = '\0';
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filefindP->handle = opendir(path);
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if (filefindP->handle)
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*retP = FileFindNext(filefindP, fileinfo);
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else
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*retP = FALSE;
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#endif
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}
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bool
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FileFindFirst(TFileFind ** const filefindPP,
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const char * const path,
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TFileInfo * const fileinfo) {
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bool succeeded;
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TFileFind * filefindP;
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MALLOCVAR(filefindP);
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if (filefindP == NULL)
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succeeded = FALSE;
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else {
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if (win32)
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fileFindFirstWin(filefindP, path, fileinfo, &succeeded);
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else
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fileFindFirstPosix(filefindP, path, fileinfo, &succeeded);
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if (!succeeded)
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free(filefindP);
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}
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*filefindPP = filefindP;
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return succeeded;
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}
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static void
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fileFindNextWin(TFileFind * const filefindP ATTR_UNUSED,
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TFileInfo * const fileinfo ATTR_UNUSED,
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bool * const retvalP ATTR_UNUSED) {
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#if MSVCRT
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*retvalP = _findnexti64(filefindP->handle, fileinfo) != -1;
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#else
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#ifdef WIN32
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bool found;
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found = FindNextFile(filefindP->handle, &fileinfo->data);
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if (found) {
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LARGE_INTEGER li;
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li.LowPart = fileinfo->data.nFileSizeLow;
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li.HighPart = fileinfo->data.nFileSizeHigh;
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strcpy(fileinfo->name, fileinfo->data.cFileName);
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fileinfo->attrib = fileinfo->data.dwFileAttributes;
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fileinfo->size = li.QuadPart;
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fileinfo->time_write = fileinfo->data.ftLastWriteTime.dwLowDateTime;
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}
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*retvalP = found;
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#endif
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#endif
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}
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static void
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fileFindNextPosix(TFileFind * const filefindP,
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TFileInfo * const fileinfoP,
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bool * const retvalP) {
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#ifndef WIN32
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struct dirent * deP;
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deP = readdir(filefindP->handle);
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if (deP) {
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char z[NAME_MAX+1];
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struct stat fs;
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strcpy(fileinfoP->name, deP->d_name);
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strcpy(z, filefindP->path);
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strncat(z, "/",NAME_MAX);
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strncat(z, fileinfoP->name, NAME_MAX);
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z[NAME_MAX] = '\0';
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stat(z, &fs);
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if (fs.st_mode & S_IFDIR)
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fileinfoP->attrib = A_SUBDIR;
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else
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fileinfoP->attrib = 0;
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fileinfoP->size = fs.st_size;
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fileinfoP->time_write = fs.st_mtime;
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*retvalP = TRUE;
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} else
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*retvalP = FALSE;
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#endif
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}
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bool
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FileFindNext(TFileFind * const filefindP,
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TFileInfo * const fileinfo) {
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bool retval;
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if (win32)
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fileFindNextWin(filefindP, fileinfo, &retval);
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else
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fileFindNextPosix(filefindP, fileinfo, &retval);
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return retval;
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}
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void
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FileFindClose(TFileFind * const filefindP) {
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#ifdef WIN32
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#if MSVCRT
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_findclose(filefindP->handle);
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#else
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FindClose(filefindP->handle);
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#endif
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#else
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closedir(filefindP->handle);
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#endif
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free(filefindP);
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}
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