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Diffstat (limited to 'gnu/dist/groff/src/libs/libgroff/tmpname.cpp')
-rw-r--r--gnu/dist/groff/src/libs/libgroff/tmpname.cpp118
1 files changed, 0 insertions, 118 deletions
diff --git a/gnu/dist/groff/src/libs/libgroff/tmpname.cpp b/gnu/dist/groff/src/libs/libgroff/tmpname.cpp
deleted file mode 100644
index 5b2c1f83482..00000000000
--- a/gnu/dist/groff/src/libs/libgroff/tmpname.cpp
+++ /dev/null
@@ -1,118 +0,0 @@
-/* $NetBSD: tmpname.cpp,v 1.1.1.2 2006/02/06 18:13:56 wiz Exp $ */
-
-/* Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
- Written by Werner Lemberg (wl@gnu.org)
-
-This file is part of groff.
-
-groff 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, or (at your option) any later
-version.
-
-groff 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 groff; see the file COPYING. If not, write to the Free Software
-Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-
-/* This file is heavily based on the function __gen_tempname() in the
- file tempname.c which is part of the fileutils package. */
-
-
-#include "lib.h"
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <time.h>
-
-#include "posix.h"
-#include "nonposix.h"
-
-#ifndef TMP_MAX
-# define TMP_MAX 238328
-#endif
-
-#if HAVE_SYS_TIME_H
-# include <sys/time.h>
-#endif
-
-#ifdef HAVE_GETTIMEOFDAY
-#ifdef NEED_DECLARATION_GETTIMEOFDAY
-extern "C" {
- int gettimeofday(struct timeval *, void *);
-}
-#endif
-#endif
-
-#if HAVE_CC_INTTYPES_H
-# include <inttypes.h>
-#endif
-
-/* Use the widest available unsigned type if uint64_t is not
- available. The algorithm below extracts a number less than 62**6
- (approximately 2**35.725) from uint64_t, so ancient hosts where
- uintmax_t is only 32 bits lose about 3.725 bits of randomness,
- which is better than not having mkstemp at all. */
-#if !defined UINT64_MAX && !defined uint64_t
-# define uint64_t uintmax_t
-#endif
-
-/* These are the characters used in temporary filenames. */
-static const char letters[] =
-"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-
-int gen_tempname(char *tmpl, int dir)
-{
- static uint64_t value;
-
- size_t len = strlen(tmpl);
- if (len < 6 || strcmp(&tmpl[len - 6], "XXXXXX"))
- return -1; /* EINVAL */
-
- /* This is where the Xs start. */
- char *XXXXXX = &tmpl[len - 6];
-
- /* Get some more or less random data. */
-#if HAVE_GETTIMEOFDAY
- timeval tv;
- gettimeofday(&tv, NULL);
- uint64_t random_time_bits = ((uint64_t)tv.tv_usec << 16) ^ tv.tv_sec;
-#else
- uint64_t random_time_bits = time(NULL);
-#endif
- value += random_time_bits ^ getpid();
-
- for (int count = 0; count < TMP_MAX; value += 7777, ++count) {
- uint64_t v = value;
-
- /* 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];
-
- int fd = dir ? mkdir(tmpl, S_IRUSR | S_IWUSR | S_IXUSR)
- : open(tmpl, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
-
- if (fd >= 0)
- return fd;
- else if (errno != EEXIST)
- return -1;
- }
-
- /* We got out of the loop because we ran out of combinations to try. */
- return -1; /* EEXIST */
-}