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https://github.com/FEX-Emu/FEX.git
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Ryan Houdek
f36bbf0f59
If we have a fixed file to read, we can read it in three syscalls. fstream is...weirdly slow in the other implementation. Theoretically in the future this can be improved to a single syscall if the `readfile` syscall ends up in upstream Linux.
30 lines
827 B
C++
30 lines
827 B
C++
#pragma once
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#include <string>
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#include <vector>
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#include <filesystem>
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#include <fstream>
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#include <span>
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namespace FEXCore::FileLoading {
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/**
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* @brief Loads a filepath in to a vector of data
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*
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* @param Data The vector to load the file data in to
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* @param Filepath The filepath to load
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*
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* @return true on file loaded, false on failure
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*/
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bool LoadFile(std::vector<char> &Data, const std::string &Filepath, size_t FixedSize = 0);
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/**
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* @brief Loads a filepath in to a buffer of data with a fixed size
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*
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* @param Filepath The filepath to load
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* @param Buffer The buffer to load the data in to. Attempting to read the full size of the span
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*
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* @return The amount of data read or -1 on error.
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*/
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ssize_t LoadFileToBuffer(const std::string &Filepath, std::span<char> Buffer);
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}
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