Ultrix-3.1/src/libU77/chdir_.c

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/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*
 * SCCSID: @(#)chdir_.c	3.0	4/22/86
char id_chdir[] = "(2.9BSD)  chdir_.c  1.3";
 *
 * change default directory
 *
 * calling sequence:
 *	integer chdir
 *	ierror = chdir(dirname)
 * where:
 *	ierror will receive a returned status (0 == OK)
 *	dirname is the directory name
 */

#include	"../libI77/fiodefs.h"
#include	<sys/param.h>
#ifndef	MAXPATHLEN
#define MAXPATHLEN	128
#endif

ftnint chdir_(dname, dnamlen)
char *dname;
ftnlen dnamlen;
{
	char buf[MAXPATHLEN];

	if (dnamlen >= sizeof buf)
		return((ftnint)(errno=F_ERARG));
	g_char(dname, dnamlen, buf);
	if (chdir(buf) != 0)
		return((ftnint)errno);
	return((ftnint) 0);
}