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92d522b7f1
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7224 a592a061-630c-0410-9148-cb99ea01b6c8
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/**
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* \file tempname.C
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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 <cstdlib>
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#include <unistd.h>
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#include "LString.h"
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#include "support/lyxlib.h"
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#include "support/filetools.h"
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#include "support/tostr.h"
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#include "debug.h"
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#include "os.h"
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using std::endl;
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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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return ::open(templ, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
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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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string const lyx::support::tempName(string const & dir, string const & mask)
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{
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string const tmpdir(dir.empty() ? os::getTmpDir() : dir);
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string tmpfl(AddName(tmpdir, mask));
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tmpfl += tostr(getpid());
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tmpfl += "XXXXXX";
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// The supposedly safe mkstemp version
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char * tmpl = new char[tmpfl.length() + 1]; // + 1 for '\0'
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tmpfl.copy(tmpl, string::npos);
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tmpl[tmpfl.length()] = '\0'; // terminator
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int const tmpf = make_tempfile(tmpl);
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if (tmpf != -1) {
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string const t(tmpl);
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::close(tmpf);
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delete [] tmpl;
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lyxerr[Debug::FILES] << "Temporary file `" << t
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<< "' created." << endl;
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return 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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delete [] tmpl;
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return string();
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}
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}
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