diff options
author | YamaArashi <shadow962@live.com> | 2016-04-25 02:51:34 -0700 |
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committer | YamaArashi <shadow962@live.com> | 2016-04-25 02:51:34 -0700 |
commit | 346ed7678fc0a02c1c93c066140f819789f039d9 (patch) | |
tree | fdd46f22c809c5c44fdd7fb10070fd5320078b85 /libiberty/mkstemp.c | |
parent | fa618cd10b1985bae42882f82346b646783892c6 (diff) |
remove driver and cpp
Diffstat (limited to 'libiberty/mkstemp.c')
-rwxr-xr-x | libiberty/mkstemp.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/libiberty/mkstemp.c b/libiberty/mkstemp.c deleted file mode 100755 index 16c16a2..0000000 --- a/libiberty/mkstemp.c +++ /dev/null @@ -1,128 +0,0 @@ -/* Copyright (C) 1991, 1992, 1996, 1998 Free Software Foundation, Inc. - This file is derived from mkstemp.c from the GNU C Library. - - The GNU C Library 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. - - The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_STRING_H -#include <string.h> -#endif -#include <errno.h> -#include <stdio.h> -#include <fcntl.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif -#include "ansidecl.h" - -/* We need to provide a type for gcc_uint64_t. */ -#ifdef __GNUC__ -typedef unsigned long long gcc_uint64_t; -#else -typedef unsigned long gcc_uint64_t; -#endif - -#ifndef TMP_MAX -#define TMP_MAX 16384 -#endif - -/* Generate a unique temporary file name from TEMPLATE. - - TEMPLATE has the form: - - <path>/ccXXXXXX<suffix> - - SUFFIX_LEN tells us how long <suffix> is (it can be zero length). - - The last six characters of TEMPLATE before <suffix> must be "XXXXXX"; - they are replaced with a string that makes the filename unique. - - Returns a file descriptor open on the file for reading and writing. */ -int -mkstemps (template, suffix_len) - char *template; - int suffix_len; -{ - static const char letters[] - = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; - static gcc_uint64_t value; -#ifdef HAVE_GETTIMEOFDAY - struct timeval tv; -#endif - char *XXXXXX; - size_t len; - int count; - - len = strlen (template); - - if ((int) len < 6 + suffix_len - || strncmp (&template[len - 6 - suffix_len], "XXXXXX", 6)) - { - return -1; - } - - XXXXXX = &template[len - 6 - suffix_len]; - -#ifdef HAVE_GETTIMEOFDAY - /* Get some more or less random data. */ - gettimeofday (&tv, NULL); - value += ((gcc_uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid (); -#else - value += getpid (); -#endif - - for (count = 0; count < TMP_MAX; ++count) - { - gcc_uint64_t v = value; - int fd; - - /* Fill in the random bits. */ - XXXXXX[0] = letters[v % 62]; - v /= 62; - XXXXXX[1] = letters[v % 62]; - v /= 62; - XXXXXX[2] = letters[v % 62]; - v /= 62; - XXXXXX[3] = letters[v % 62]; - v /= 62; - XXXXXX[4] = letters[v % 62]; - v /= 62; - XXXXXX[5] = letters[v % 62]; - - fd = open (template, O_RDWR|O_CREAT|O_EXCL, 0600); - if (fd >= 0) - /* The file does not exist. */ - return fd; - - /* This is a random value. It is only necessary that the next - TMP_MAX values generated by adding 7777 to VALUE are different - with (module 2^32). */ - value += 7777; - } - - /* We return the null string if we can't find a unique file name. */ - template[0] = '\0'; - return -1; -} |