| 1 | /* Copyright (C) 1991, 1992, 1996, 1998 Free Software Foundation, Inc.
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| 2 | This file is derived from mkstemp.c from the GNU C Library.
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| 3 |
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| 4 | The GNU C Library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU Library General Public License as
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| 6 | published by the Free Software Foundation; either version 2 of the
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| 7 | License, or (at your option) any later version.
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| 8 |
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| 9 | The GNU C Library is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | Library General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Library General Public
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| 15 | License along with the GNU C Library; see the file COPYING.LIB. If not,
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| 16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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| 17 | Boston, MA 02111-1307, USA. */
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| 18 |
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| 19 | #ifdef HAVE_CONFIG_H
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| 20 | #include "config.h"
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| 21 | #endif
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| 22 |
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| 23 | #include <sys/types.h>
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| 24 | #ifdef HAVE_STDLIB_H
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| 25 | #include <stdlib.h>
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| 26 | #endif
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| 27 | #ifdef HAVE_STRING_H
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| 28 | #include <string.h>
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| 29 | #endif
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| 30 | #include <errno.h>
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| 31 | #include <stdio.h>
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| 32 | #include <fcntl.h>
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| 33 | #ifdef HAVE_UNISTD_H
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| 34 | #include <unistd.h>
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| 35 | #endif
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| 36 | #ifdef HAVE_SYS_TIME_H
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| 37 | #include <sys/time.h>
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| 38 | #endif
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| 39 | #include "ansidecl.h"
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| 40 |
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| 41 | /* We need to provide a type for gcc_uint64_t. */
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| 42 | #ifdef __GNUC__
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| 43 | __extension__ typedef unsigned long long gcc_uint64_t;
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| 44 | #else
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| 45 | typedef unsigned long gcc_uint64_t;
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| 46 | #endif
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| 47 |
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| 48 | #ifndef TMP_MAX
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| 49 | #define TMP_MAX 16384
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| 50 | #endif
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| 51 |
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| 52 | /*
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| 53 |
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| 54 | @deftypefn Replacement int mkstemps (char *@var{template}, int @var{suffix_len})
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| 55 |
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| 56 | Generate a unique temporary file name from @var{template}.
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| 57 | @var{template} has the form:
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| 58 |
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| 59 | @example
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| 60 | @var{path}/ccXXXXXX@var{suffix}
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| 61 | @end example
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| 62 |
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| 63 | @var{suffix_len} tells us how long @var{suffix} is (it can be zero
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| 64 | length). The last six characters of @var{template} before @var{suffix}
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| 65 | must be @samp{XXXXXX}; they are replaced with a string that makes the
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| 66 | filename unique. Returns a file descriptor open on the file for
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| 67 | reading and writing.
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