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Turnbull China Bikeride
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Turnbull China Bikeride - Disc 2.iso
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UNIXLIB37B
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!UnixLib37
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chmod
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1996-11-09
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58 lines
/****************************************************************************
*
* $Source: /unixb/home/unixlib/source/unixlib37/src/unix/c/RCS/chmod,v $
* $Date: 1996/10/30 21:59:01 $
* $Revision: 1.2 $
* $State: Rel $
* $Author: unixlib $
*
* $Log: chmod,v $
* Revision 1.2 1996/10/30 21:59:01 unixlib
* Massive changes made by Nick Burret and Peter Burwood.
*
* Revision 1.1 1996/04/19 21:35:27 simon
* Initial revision
*
***************************************************************************/
static const char rcs_id[] = "$Id: chmod,v 1.2 1996/10/30 21:59:01 unixlib Rel $";
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/os.h>
int
chmod (const char *file, mode_t mode)
{
int r[6];
_kernel_oserror *e;
char *f;
f = __uname ((char *)file, 0);
if (e = os_file (5, f, r))
{
__seterr (e);
return (-1);
}
if (!r[0])
{
errno = ENOENT;
return (-1);
}
r[5] = (r[5] & 0xFFFFFF00) | ((mode & 0400) >> 8) | ((mode & 0200) >> 6) |
((mode & 0004) << 2) | ((mode & 0002) << 4);
if (e = os_file (1, f, r))
{
__seterr (e);
return (-1);
}
return (0);
}