lyx_mirror/src/support/tempname.C
Lars Gullik Bjønnes a32d2c972f fix a couple of hard crashes, constify local variables, whitespace changes, some changes to new code
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1215 a592a061-630c-0410-9148-cb99ea01b6c8
2000-11-14 02:01:57 +00:00

43 lines
952 B
C

#include <config.h>
#include <cstdlib>
#include <unistd.h>
#include "LString.h"
#include "support/lyxlib.h"
#include "support/filetools.h"
#include "debug.h"
using std::endl;
extern string system_tempdir;
string const lyx::tempName(string const & dir, string const & mask)
{
string const tmpdir(dir.empty() ? system_tempdir : dir);
string tmpfl(AddName(tmpdir, mask));
tmpfl += tostr(getpid());
tmpfl += "XXXXXX";
// The supposedly safe mkstemp version
char * tmpl = new char[tmpfl.length() + 1]; // + 1 for '\0'
tmpfl.copy(tmpl, string::npos);
tmpl[tmpfl.length()] = '\0'; // terminator
int const tmpf = ::mkstemp(tmpl);
if (tmpf != -1) {
string const t(tmpl);
::close(tmpf);
delete [] tmpl;
lyxerr[Debug::FILES] << "Temporary file `" << t
<< "' created." << endl;
return t;
} else {
lyxerr[Debug::FILES]
<< "LyX Error: Unable to create temporary file."
<< endl;
delete [] tmpl;
return string();
}
}