TMPFILE

Section: Linux Programmer's Manual (3 )
Updated: 1993-04-03
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NAME

tmpfile - create a temporary file

SYNOPSIS

#include <stdio.h>

FILE *tmpfile (void);

DESCRIPTION

The tmpfile() function generates a unique temporary filename using the path prefix P_tmpdir defined in <stdio.h>. The temporary file is then opened in binary read/write (w+b) mode. The file will be automatically deleted when it is closed or the program terminates.

RETURN VALUE

The tmpfile() function returns a stream descriptor, or NULL if a unique filename cannot be generated or the unique file cannot be opened.

ERRORS

EACCES: Search permission denied for directory in file's path prefix.
EEXIST: Unable to generate a unique filename.
EMFILE: Too many file descriptors in use by process.
ENFILE: Too many files open in system.
EROFS: Read-only filesystem.

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899, SUSv2

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