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- removed tmpfileplus, which was only used by the old Timidity++ player.
This commit is contained in:
Christoph Oelckers
parent
8f7a503561
commit
2ac101fa51
4 changed files with 0 additions and 246 deletions
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@ -1198,7 +1198,6 @@ set (PCH_SOURCES
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events.cpp
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GuillotineBinPack.cpp
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SkylineBinPack.cpp
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tmpfileplus.cpp
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)
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enable_precompiled_headers( g_pch.h PCH_SOURCES )
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@ -42,7 +42,6 @@
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#include "cmdlib.h"
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#include "templates.h"
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#include "version.h"
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#include "tmpfileplus.h"
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#include "m_misc.h"
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#include "v_text.h"
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#include "i_system.h"
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@ -1,201 +0,0 @@
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/* $Id: tmpfileplus.c $ */
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/*
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* $Date: 2016-06-01 03:31Z $
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* $Revision: 2.0.0 $
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* $Author: dai $
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*/
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright (c) 2012-16 David Ireland, DI Management Services Pty Ltd
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* <http://www.di-mgt.com.au/contact/>.
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*/
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/*
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* NAME
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* tmpfileplus - create a unique temporary file
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*
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* SYNOPSIS
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* FILE *tmpfileplus(const char *dir, const char *prefix, char **pathname, int keep)
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*
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* DESCRIPTION
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* The tmpfileplus() function opens a unique temporary file in binary
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* read/write (w+b) mode. The file is opened with the O_EXCL flag,
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* guaranteeing that the caller is the only user. The filename will consist
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* of the string given by `prefix` followed by 10 random characters. If
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* `prefix` is NULL, then the string "tmp." will be used instead. The file
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* will be created in an appropriate directory chosen by the first
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* successful attempt in the following sequence:
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*
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* a) The directory given by the `dir` argument (so the caller can specify
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* a secure directory to take precedence).
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*
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* b) The directory name in the environment variables:
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*
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* (i) "TMP" [Windows only]
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* (ii) "TEMP" [Windows only]
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* (iii) "TMPDIR" [Unix only]
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*
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* c) `P_tmpdir` as defined in <stdio.h> [Unix only] (in Windows, this is
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* usually "\", which is no good).
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*
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* d) The current working directory.
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*
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* If a file cannot be created in any of the above directories, then the
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* function fails and NULL is returned.
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*
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* If the argument `pathname` is not a null pointer, then it will point to
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* the full pathname of the file. The pathname is allocated using `malloc`
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* and therefore should be freed by `free`.
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*
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* If `keep` is nonzero and `pathname` is not a null pointer, then the file
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* will be kept after it is closed. Otherwise the file will be
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* automatically deleted when it is closed or the program terminates.
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*
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*
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* RETURN VALUE
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* The tmpfileplus() function returns a pointer to the open file stream,
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* or NULL if a unique file cannot be opened.
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*
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*
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* ERRORS
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* ENOMEM Not enough memory to allocate filename.
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*
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*/
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#include "tmpfileplus.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 <time.h>
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#include <errno.h>
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/* Non-ANSI include files that seem to work in both MSVC and Linux */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#ifdef _WIN32
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#include <io.h>
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#endif
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#ifdef _WIN32
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/* MSVC nags to enforce ISO C++ conformant function names with leading "_",
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* so we define our own function names to avoid whingeing compilers...
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*/
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#define OPEN_ _open
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#define FDOPEN_ _fdopen
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#else
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#define OPEN_ open
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#define FDOPEN_ fdopen
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#endif
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#include "m_random.h"
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#include "cmdlib.h"
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#include "zstring.h"
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#define RANDCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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#define NRANDCHARS (sizeof(RANDCHARS) - 1)
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static FRandom pr_tmpfile;
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/** Replace each byte in string s with a random character from TEMPCHARS */
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static char *set_randpart(char *s)
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{
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size_t i;
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unsigned int r;
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for (i = 0; i < strlen(s); i++)
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{
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r = pr_tmpfile() % NRANDCHARS;
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s[i] = (RANDCHARS)[r];
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}
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return s;
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}
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/**
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* Try and create a randomly-named file in directory `tmpdir`.
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* If successful, allocate memory and set `tmpname_ptr` to full filepath, and return file pointer;
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* otherwise return NULL.
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* If `keep` is zero then create the file as temporary and it should not exist once closed.
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*/
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static FILE *mktempfile_internal(const char *tmpdir, const char *pfx, FString *tmpname_ptr, int keep)
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/* PRE:
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* pfx is not NULL and points to a valid null-terminated string
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* tmpname_ptr is not NULL.
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*/
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{
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FILE *fp;
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int fd;
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char randpart[] = "1234567890";
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int i;
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int oflag, pmode;
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/* In Windows, we use the _O_TEMPORARY flag with `open` to ensure the file is deleted when closed.
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* In Unix, we use the remove function after opening the file. (This does not work in Windows,
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* which does not allow an open file to be deleted.)
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*/
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#ifdef _WIN32
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/* MSVC flags */
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oflag = _O_BINARY|_O_CREAT|_O_RDWR;
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if (!keep)
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oflag |= _O_TEMPORARY;
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pmode = _S_IREAD | _S_IWRITE;
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#else
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/* Standard POSIX flags */
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oflag = O_CREAT|O_RDWR;
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pmode = S_IRUSR|S_IWUSR;
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#endif
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if (!tmpdir || !DirExists(tmpdir)) {
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errno = ENOENT;
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return NULL;
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}
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FString tempname;
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/* If we don't manage to create a file after 10 goes, there is something wrong... */
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for (i = 0; i < 10; i++)
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{
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tempname.Format("%s/%s%s", tmpdir, pfx, set_randpart(randpart));
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fd = OPEN_(tempname, oflag, pmode);
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if (fd != -1) break;
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}
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if (fd != -1)
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{ /* Success, so return user a proper ANSI C file pointer */
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fp = FDOPEN_(fd, "w+b");
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errno = 0;
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#ifndef _WIN32
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/* [Unix only] And make sure the file will be deleted once closed */
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if (!keep) remove(tempname);
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#endif
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}
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else
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{ /* We failed */
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fp = NULL;
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}
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if (tmpname_ptr) *tmpname_ptr = tempname;
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return fp;
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}
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/**********************/
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/* EXPORTED FUNCTIONS */
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/**********************/
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FILE *tmpfileplus(const char *dir, const char *prefix, FString *pathname, int keep)
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{
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FILE *fp = mktempfile_internal(dir, (prefix ? prefix : "tmp."), pathname, keep);
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if (!fp && pathname) *pathname = "";
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return fp;
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}
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@ -1,43 +0,0 @@
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/* $Id: tmpfileplus.h $ */
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/*
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* $Date: 2016-06-01 03:31Z $
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* $Revision: 2.0.0 $
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* $Author: dai $
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*/
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright (c) 2012-16 David Ireland, DI Management Services Pty Ltd
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* <http://www.di-mgt.com.au/contact/>.
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*/
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifndef TMPFILEPLUS_H_
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#define TMPFILEPLUS_H_
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#include <stdio.h>
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class FString;
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/** Create a unique temporary file.
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@param dir (optional) directory to create file. If NULL use default TMP directory.
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@param prefix (optional) prefix for file name. If NULL use "tmp.".
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@param pathname (optional) pointer to a buffer to receive the temp filename.
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Allocated using `malloc()`; user to free. Ignored if NULL.
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@param keep If `keep` is nonzero and `pathname` is not NULL, then keep the file after closing.
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Otherwise file is automatically deleted when closed.
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@return Pointer to stream opened in binary read/write (w+b) mode, or a null pointer on error.
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@exception ENOMEM Not enough memory to allocate filename.
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*/
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FILE *tmpfileplus(const char *dir, const char *prefix, FString *pathname, int keep);
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#define TMPFILE_KEEP 1
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#endif /* end TMPFILEPLUS_H_ */
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