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LibC+Kernel: Switch off_t to 64 bits
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commit
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7 changed files with 23 additions and 13 deletions
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@ -29,13 +29,22 @@
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namespace Kernel {
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KResultOr<int> Process::sys$lseek(int fd, off_t offset, int whence)
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KResultOr<int> Process::sys$lseek(int fd, Userspace<off_t*> userspace_offset, int whence)
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{
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REQUIRE_PROMISE(stdio);
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auto description = file_description(fd);
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if (!description)
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return EBADF;
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return description->seek(offset, whence);
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off_t offset;
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if (!copy_from_user(&offset, userspace_offset))
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return EFAULT;
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offset = description->seek(offset, whence);
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if (!copy_to_user(userspace_offset, &offset))
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return EFAULT;
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if (offset < 0)
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return offset;
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else
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return 0;
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}
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}
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