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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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6
LibC/stat.cpp
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@@ -15,5 +15,11 @@ int mkdir(const char* pathname, mode_t mode)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int chmod(const char* pathname, mode_t mode)
{
int rc = syscall(SC_chmod, pathname, mode);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
}