/* * tmpnam.c - create a unique filename *//* $Header: /cvsup/minix/src/lib/stdio/tmpnam.c,v 1.1.1.1 2005/04/21 14:56:36 beng Exp $ */#if	defined(_POSIX_SOURCE)#include	<sys/types.h>#endif#include	<stdio.h>#include	<string.h>#include	"loc_incl.h"pid_t _getpid(void);char *tmpnam(char *s) {	static char name_buffer[L_tmpnam] = "/tmp/tmp.";	static unsigned long count = 0;	static char *name = NULL;	if (!name) { 		name = name_buffer + strlen(name_buffer);		name = _i_compute((unsigned long)_getpid(), 10, name, 5);		*name++ = '.';		*name = '\0';	}	if (++count > TMP_MAX) count = 1;	/* wrap-around */	*_i_compute(count, 10, name, 3) = '\0';	if (s) return strcpy(s, name_buffer);	else return name_buffer;}