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edlib
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chdir.c
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C/C++ Source or Header
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1992-05-06
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615b
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37 lines
/*
* edlib v1.1 Copyright 1989 Edwin Hoogerbeets
* This code is freely redistributable as long as no charge other than
* reasonable copying fees are levied for it.
*/
#include "edlib.h"
#include <libraries/dos.h>
#include <errno.h>
extern struct FileLock *Lock();
extern struct FileLock *CurrentDir();
int chdir(path)
char *path;
{
struct FileLock *lock;
if ( !path ) {
errno = EFAULT;
return(-1);
}
if ( !isdir(path) ) {
errno = ENOENT;
return(-1);
}
if ( !(lock = Lock(path,ACCESS_READ)) ) {
errno = EACCES;
return(-1);
}
lock = CurrentDir(lock);
return(0);
}