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Implement basic chmod() syscall and /bin/chmod helper.

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Only raw octal modes are supported right now.
This patch also changes mode_t from 32-bit to 16-bit to match the on-disk
type used by Ext2FS.

I also ran into EPERM being errno=0 which was confusing, so I inserted an
ESUCCESS in its place.
This commit is contained in:
Andreas Kling 2019-01-29 04:55:08 +01:00
parent ad53f6afd3
commit c30e2c8d44
22 changed files with 156 additions and 4 deletions
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1
LibC/errno_numbers.h
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@ -1,6 +1,7 @@
#pragma once
#define __ENUMERATE_ALL_ERRORS \
__ERROR(ESUCCESS, "Success (not an error)") \
__ERROR(EPERM, "Operation not permitted") \
__ERROR(ENOENT, "No such file or directory") \
__ERROR(ESRCH, "No such process") \