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Kernel: Change Inode::{read/write}_bytes interface to KResultOr<ssize_t>
The error handling in all these cases was still using the old style negative values to indicate errors. We have a nicer solution for this now with KResultOr<T>. This change switches the interface and then all implementers to use the new style.
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18 changed files with 88 additions and 82 deletions
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@ -50,8 +50,8 @@ static bool should_make_executable_exception_for_dynamic_loader(bool make_readab
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Elf32_Ehdr header;
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auto buffer = UserOrKernelBuffer::for_kernel_buffer((u8*)&header);
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auto nread = inode.read_bytes(0, sizeof(header), buffer, nullptr);
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if (nread != sizeof(header))
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auto result = inode.read_bytes(0, sizeof(header), buffer, nullptr);
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if (result.is_error() || result.value() != sizeof(header))
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return false;
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// The file is a valid ELF binary
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