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Diffstat (limited to 'contrib/binutils/libiberty/choose-temp.c')
-rw-r--r-- | contrib/binutils/libiberty/choose-temp.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/contrib/binutils/libiberty/choose-temp.c b/contrib/binutils/libiberty/choose-temp.c deleted file mode 100644 index 5668f745207b..000000000000 --- a/contrib/binutils/libiberty/choose-temp.c +++ /dev/null @@ -1,151 +0,0 @@ -/* 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., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* This file exports one function: choose_temp_base. */ - -/* This file lives in at least two places: libiberty and gcc. - Don't change one without the other. */ - -#if defined (IN_GCC) || defined (HAVE_CONFIG_H) -#include "config.h" -#endif - -/* If we are in gcc, or we have a config.h, we assume that - HAVE_SYS_FILE_H tells us whether to include sys/file.h. However, - libiberty does not have a config.h, and instead arranges to define - NO_SYS_FILE_H on the command line when there is no sys/file.h. */ - -#if (defined (IN_GCC) || defined (HAVE_CONFIG_H)) ? defined (HAVE_SYS_FILE_H) : ! defined (NO_SYS_FILE_H) -#include <sys/types.h> -#include <sys/file.h> /* May get R_OK, etc. on some systems. */ -#endif - -#ifndef R_OK -#define R_OK 4 -#define W_OK 2 -#define X_OK 1 -#endif - -#include <stdio.h> /* May get P_tmpdir. */ - -#ifdef IN_GCC -#include "gansidecl.h" -extern char *xmalloc (); -#else -#include "ansidecl.h" -#include "libiberty.h" -#if defined (__MSDOS__) || defined (_WIN32) -#define DIR_SEPARATOR '\\' -#endif -#endif - -#ifndef DIR_SEPARATOR -#define DIR_SEPARATOR '/' -#endif - -/* On MSDOS, write temp files in current dir - because there's no place else we can expect to use. */ -/* ??? Although the current directory is tried as a last resort, - this is left in so that on MSDOS it is preferred to /tmp on the - off chance that someone requires this, since that was the previous - behaviour. */ -#ifdef __MSDOS__ -#ifndef P_tmpdir -#define P_tmpdir "." -#endif -#endif - -/* Name of temporary file. - mktemp requires 6 trailing X's. */ -#define TEMP_FILE "ccXXXXXX" - -/* Subroutine of choose_temp_base. - If BASE is non-NULL, return it. - Otherwise it checks if DIR is a usable directory. - If success, DIR is returned. - Otherwise NULL is returned. */ - -static char * -try (dir, base) - char *dir, *base; -{ - if (base != 0) - return base; - if (dir != 0 - && access (dir, R_OK | W_OK | X_OK) == 0) - return dir; - return 0; -} - -/* Return a prefix for temporary file names or 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 (mktemp fails). - The buffer for the result is obtained with xmalloc. */ - -char * -choose_temp_base () -{ - char *base = 0; - char *temp_filename; - int len; - static char tmp[] = { DIR_SEPARATOR, 't', 'm', 'p', 0 }; - static char usrtmp[] = { DIR_SEPARATOR, 'u', 's', 'r', DIR_SEPARATOR, 't', 'm', 'p', 0 }; - -#ifndef MPW - base = try (getenv ("TMPDIR"), base); - base = try (getenv ("TMP"), base); - base = try (getenv ("TEMP"), base); - -#ifdef P_tmpdir - base = try (P_tmpdir, base); -#endif - - /* Try /usr/tmp, then /tmp. */ - base = try (usrtmp, base); - base = try (tmp, base); - - /* If all else fails, use the current directory! */ - if (base == 0) - base = "."; - -#else /* MPW */ - base = ":"; -#endif - - len = strlen (base); - temp_filename = xmalloc (len + 1 /*DIR_SEPARATOR*/ - + strlen (TEMP_FILE) + 1); - strcpy (temp_filename, base); - -#ifndef MPW - if (len != 0 - && temp_filename[len-1] != '/' - && temp_filename[len-1] != DIR_SEPARATOR) - temp_filename[len++] = DIR_SEPARATOR; -#else /* MPW */ - if (temp_filename[len-1] != ':') - temp_filename[len++] = ':'; -#endif /* MPW */ - strcpy (temp_filename + len, TEMP_FILE); - - mktemp (temp_filename); - if (strlen (temp_filename) == 0) - abort (); - return temp_filename; -} |