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Kernel: Implement offset for lseek
with SEEK_END
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1 changed files with 3 additions and 1 deletions
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@ -136,7 +136,9 @@ KResultOr<off_t> FileDescription::seek(off_t offset, int whence)
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case SEEK_END:
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case SEEK_END:
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if (!metadata().is_valid())
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if (!metadata().is_valid())
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return EIO;
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return EIO;
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new_offset = metadata().size;
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if (Checked<off_t>::addition_would_overflow(metadata().size, offset))
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return EOVERFLOW;
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new_offset = metadata().size + offset;
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break;
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break;
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default:
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default:
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return EINVAL;
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return EINVAL;
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