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mkdtemp(3)

MKDTEMP(3)                 Linux Programmer's Manual                MKDTEMP(3)

NAME
       mkdtemp - create a unique temporary directory

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 ap‐
       propriately.

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.

VERSIONS
       Available since glibc 2.1.91.

ATTRIBUTES
       For  an  explanation  of  the  terms  used in this section, see attrib‐
       utes(7).  allbox;  lb  lb  lb  l  l  l.   Interface Attribute Value  T{
       mkdtemp() T}   Thread safety  MT-Safe

CONFORMING TO
       POSIX.1-2008.  This function is present on the BSDs.

SEE ALSO
       mktemp(1),  mkdir(2),  mkstemp(3),  mktemp(3),  tempnam(3), tmpfile(3),
       tmpnam(3)

COLOPHON
       This page is part of release 5.02 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.

GNU                               2016-07-17                        MKDTEMP(3)
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