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-'\" t
-.\" Copyright (C) 1993 David Metcalfe (david@prism.demon.co.uk)
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.\" References consulted:
-.\" Linux libc source code
-.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
-.\" 386BSD man pages
-.\" Modified Sat Jul 24 18:48:06 1993 by Rik Faith (faith@cs.unc.edu)
-.\" Modified Fri Jun 23 01:26:34 1995 by Andries Brouwer (aeb@cwi.nl)
-.\" (prompted by Scott Burkett <scottb@IntNet.net>)
-.\" Modified Sun Mar 28 23:44:38 1999 by Andries Brouwer (aeb@cwi.nl)
-.\"
-.TH mktemp 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-mktemp \- make a unique temporary filename
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <stdlib.h>
-.P
-.BI "char *mktemp(char *" template );
-.fi
-.P
-.RS -4
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.RE
-.P
-.BR mktemp ():
-.nf
- Since glibc 2.12:
- (_XOPEN_SOURCE >= 500) && ! (_POSIX_C_SOURCE >= 200112L)
- || /* glibc >= 2.19: */ _DEFAULT_SOURCE
- || /* glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE
- Before glibc 2.12:
- _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 500
-.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
-.fi
-.SH DESCRIPTION
-.IR "Never use this function" ;
-see BUGS.
-.P
-The
-.BR mktemp ()
-function generates a unique temporary filename
-from \fItemplate\fP.
-The last six characters of \fItemplate\fP must
-be XXXXXX and these are replaced with a string that makes the
-filename unique.
-Since it will be modified,
-.I template
-must not be a string constant, but should be declared as a character array.
-.SH RETURN VALUE
-The
-.BR mktemp ()
-function always returns \fItemplate\fP.
-If a unique name was created, the last six bytes of \fItemplate\fP will
-have been modified in such a way that the resulting name is unique
-(i.e., does not exist already)
-If a unique name could not be created,
-\fItemplate\fP is made an empty string, and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-.TP
-.B EINVAL
-The last six characters of \fItemplate\fP were not XXXXXX.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR mktemp ()
-T} Thread safety MT-Safe
-.TE
-.SH STANDARDS
-None.
-.SH HISTORY
-4.3BSD, POSIX.1-2001.
-Removed in POSIX.1-2008.
-.\" .SH NOTES
-.\" The prototype is in
-.\" .I <unistd.h>
-.\" for libc4, libc5, glibc1; glibc2 follows the Single UNIX Specification
-.\" and has the prototype in
-.\" .IR <stdlib.h> .
-.SH BUGS
-Never use
-.BR mktemp ().
-Some implementations follow 4.3BSD
-and replace XXXXXX by the current process ID and a single letter,
-so that at most 26 different names can be returned.
-Since on the one hand the names are easy to guess, and on the other
-hand there is a race between testing whether the name exists and
-opening the file, every use of
-.BR mktemp ()
-is a security risk.
-The race is avoided by
-.BR mkstemp (3)
-and
-.BR mkdtemp (3).
-.SH SEE ALSO
-.BR mktemp (1),
-.BR mkdtemp (3),
-.BR mkstemp (3),
-.BR tempnam (3),
-.BR tmpfile (3),
-.BR tmpnam (3)