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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc2/] [libiberty/] [choose-temp.c] - Rev 387
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/* Utility to pick a temporary filename prefix. Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of the libiberty library. Libiberty is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Libiberty 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with libiberty; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stdio.h> /* May get P_tmpdir. */ #include <sys/types.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #ifdef HAVE_STRING_H #include <string.h> #endif #include "libiberty.h" extern char *choose_tmpdir (void); /* Name of temporary file. mktemp requires 6 trailing X's. */ #define TEMP_FILE "ccXXXXXX" #define TEMP_FILE_LEN (sizeof(TEMP_FILE) - 1) /* @deftypefn Extension char* choose_temp_base (void) Return a prefix for temporary file names or @code{NULL} if unable to find one. The current directory is chosen if all else fails so the program is exited if a temporary directory can't be found (@code{mktemp} fails). The buffer for the result is obtained with @code{xmalloc}. This function is provided for backwards compatibility only. Its use is not recommended. @end deftypefn */ char * choose_temp_base (void) { const char *base = choose_tmpdir (); char *temp_filename; int len; len = strlen (base); temp_filename = XNEWVEC (char, len + TEMP_FILE_LEN + 1); strcpy (temp_filename, base); strcpy (temp_filename + len, TEMP_FILE); if (mktemp (temp_filename) == 0) abort (); return temp_filename; }
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