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https://git.lyx.org/repos/lyx.git
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f212b48335
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18025 a592a061-630c-0410-9148-cb99ea01b6c8
124 lines
2.5 KiB
C++
124 lines
2.5 KiB
C++
/**
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* \file tempname.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "support/lyxlib.h"
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#include "support/convert.h"
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#include "support/filetools.h"
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#include "support/Package.h"
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#include "debug.h"
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#include <boost/scoped_array.hpp>
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#include <cstdlib>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if !defined(HAVE_MKSTEMP) && defined(HAVE_MKTEMP)
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# include <fcntl.h>
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# ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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# endif
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# ifdef HAVE_IO_H
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# include <io.h>
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# endif
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# ifdef HAVE_PROCESS_H
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# include <process.h>
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# endif
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#endif
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using boost::scoped_array;
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using std::string;
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using std::endl;
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namespace lyx {
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namespace support {
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namespace {
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inline
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int make_tempfile(char * templ)
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{
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#if defined(HAVE_MKSTEMP)
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return ::mkstemp(templ);
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#elif defined(HAVE_MKTEMP)
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// This probably just barely works...
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::mktemp(templ);
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# if defined (HAVE_OPEN)
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# if (!defined S_IRUSR)
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# define S_IRUSR S_IREAD
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# define S_IWUSR S_IWRITE
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# endif
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return ::open(templ, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
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# elif defined (HAVE__OPEN)
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return ::_open(templ,
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_O_RDWR | _O_CREAT | _O_EXCL,
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_S_IREAD | _S_IWRITE);
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# else
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# error No open() function.
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# endif
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#else
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#error FIX FIX FIX
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#endif
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}
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} // namespace anon
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FileName const tempName(FileName const & dir, string const & mask)
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{
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string const tmpdir(dir.empty() ?
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package().temp_dir().toFilesystemEncoding() :
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dir.toFilesystemEncoding());
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string tmpfl(addName(tmpdir, mask));
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#if defined (HAVE_GETPID)
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tmpfl += convert<string>(getpid());
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#elif defined (HAVE__GETPID)
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tmpfl += convert<string>(_getpid());
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#else
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# error No getpid() function
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#endif
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tmpfl += "XXXXXX";
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// The supposedly safe mkstemp version
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scoped_array<char> tmpl(new char[tmpfl.length() + 1]); // + 1 for '\0'
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tmpfl.copy(tmpl.get(), string::npos);
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tmpl[tmpfl.length()] = '\0'; // terminator
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int const tmpf = make_tempfile(tmpl.get());
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if (tmpf != -1) {
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string const t(to_utf8(from_filesystem8bit(tmpl.get())));
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#if defined (HAVE_CLOSE)
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::close(tmpf);
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#elif defined (HAVE__CLOSE)
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::_close(tmpf);
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#else
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# error No x() function.
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#endif
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LYXERR(Debug::FILES) << "Temporary file `" << t
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<< "' created." << endl;
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return FileName(t);
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} else {
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LYXERR(Debug::FILES)
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<< "LyX Error: Unable to create temporary file."
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<< endl;
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return FileName();
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}
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}
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} // namespace support
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} // namespace lyx
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