diff options
Diffstat (limited to 'contrib/gcclibs/libiberty/choose-temp.c')
-rw-r--r-- | contrib/gcclibs/libiberty/choose-temp.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/gcclibs/libiberty/choose-temp.c b/contrib/gcclibs/libiberty/choose-temp.c new file mode 100644 index 0000000..0cba990 --- /dev/null +++ b/contrib/gcclibs/libiberty/choose-temp.c @@ -0,0 +1,72 @@ +/* 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. */ +#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 compatability 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); + + mktemp (temp_filename); + if (strlen (temp_filename) == 0) + abort (); + return temp_filename; +} |