/* PSPP - computes sample statistics. Copyright (C) 2004 Free Software Foundation, Inc. Written by Ben Pfaff . This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include "mkfile.h" #include "error.h" #include "alloc.h" /* Creates a temporary file and stores its name in *FILENAME and a file descriptor for it in *FD. Returns success. Caller is responsible for freeing *FILENAME. */ int make_temp_file (int *fd, char **filename) { const char *parent_dir; assert (filename != NULL); assert (fd != NULL); if (getenv ("TMPDIR") != NULL) parent_dir = getenv ("TMPDIR"); else parent_dir = P_tmpdir; *filename = xmalloc (strlen (parent_dir) + 32); sprintf (*filename, "%s%cpsppXXXXXX", parent_dir, DIR_SEPARATOR); *fd = mkstemp (*filename); if (*fd < 0) { msg (FE, _("%s: Creating temporary file: %s."), *filename, strerror (errno)); free (*filename); *filename = NULL; return 0; } return 1; } /* Creates a temporary file and stores its name in *FILENAME and a file stream for it in *FP. Returns success. Caller is responsible for freeing *FILENAME and for closing *FP */ int make_unique_file_stream (FILE **fp, char **filename) { static int serial = 0; const char *parent_dir; /* FIXME: Need to check for pre-existing file name. Need also to pass in the directory instead of using /tmp */ assert (filename != NULL); assert (fp != NULL); if (getenv ("TMPDIR") != NULL) parent_dir = getenv ("TMPDIR"); else parent_dir = P_tmpdir; *filename = xmalloc (strlen (parent_dir) + 32); sprintf (*filename, "%s%cpspp%d.png", parent_dir, DIR_SEPARATOR, serial++); *fp = fopen(*filename, "w"); if (! *fp ) { msg (FE, _("%s: Creating file: %s."), *filename, strerror (errno)); free (*filename); *filename = NULL; return 0; } return 1; }