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Man Pages


Manual Reference Pages  -  OPENTEMP (3)

NAME

opentemp - create and open a uniquely-named file

CONTENTS

Synopsis
Description
Source

SYNOPSIS

#include <u.h>
#include <libc.h>

int opentemp(char *template, int mode)

DESCRIPTION

Opentemp replaces template by a unique file name, and returns the address of the template. The template should look like a file name with eleven trailing The are replaced by a letter followed by the current process id. Letters from to are tried until the name of a file that does not yet exist (see access(2)) is generated. Opentemp then opens the file for the given mode and returns the file descriptor. Most calls should use a mode of ORDWR|ORCLOSE.

If no such name can be generated, opentemp returns -1.

Opentemp avoids races. Two simultaneous calls to opentemp will never return the same name.

SOURCE

/usr/local/plan9/src/lib9/opentemp.c

SEE ALSO

create in open(3)
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