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mkdtemp(3) Library Functions Manual mkdtemp(3)
NAME
mkdtemp - create a unique temporary directory
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
char *mkdtemp(char *template);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
mkdtemp():
/* Since glibc 2.19: */ _DEFAULT_SOURCE
|| /* glibc 2.19 and earlier: */ _BSD_SOURCE
|| /* Since glibc 2.10: */ _POSIX_C_SOURCE >= 200809L
DESCRIPTION
The mkdtemp() function generates a uniquely named temporary directory
from template. The last six characters of template must be XXXXXX and
these are replaced with a string that makes the directory name unique.
The directory is then created with permissions 0700. Since it will be
modified, template must not be a string constant, but should be de-
clared as a character array.
RETURN VALUE
The mkdtemp() function returns a pointer to the modified template
string on success, and NULL on failure, in which case errno is set to
indicate the error.
ERRORS
EINVAL The last six characters of template were not XXXXXX. Now tem-
plate is unchanged.
Also see mkdir(2) for other possible values for errno.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
+--------------------------------------------+---------------+---------+
|Interface | Attribute | Value |
+--------------------------------------------+---------------+---------+
|mkdtemp() | Thread safety | MT-Safe |
+--------------------------------------------+---------------+---------+
STANDARDS
POSIX.1-2008.
HISTORY
glibc 2.1.91. NetBSD 1.4. POSIX.1-2008.
SEE ALSO
mktemp(1), mkdir(2), mkstemp(3), mktemp(3), tempnam(3), tmpfile(3),
tmpnam(3)
Linux man-pages 6.04 2023-03-30 mkdtemp(3)
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