83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
#include "File.h"
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namespace tt::file {
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#define TAG "file"
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long getSize(FILE* file) {
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long original_offset = ftell(file);
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if (fseek(file, 0, SEEK_END) != 0) {
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TT_LOG_E(TAG, "fseek failed");
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return -1;
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}
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long file_size = ftell(file);
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if (file_size == -1) {
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TT_LOG_E(TAG, "Could not get file length");
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return -1;
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}
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if (fseek(file, original_offset, SEEK_SET) != 0) {
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TT_LOG_E(TAG, "fseek Failed");
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return -1;
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}
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return file_size;
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}
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static std::unique_ptr<uint8_t[]> readBinaryInternal(const char* filepath, size_t& outSize, size_t sizePadding = 0) {
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FILE* file = fopen(filepath, "rb");
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if (file == nullptr) {
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TT_LOG_E(TAG, "Failed to open %s", filepath);
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return nullptr;
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}
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long content_length = getSize(file);
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if (content_length == -1) {
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TT_LOG_E(TAG, "Failed to determine content length for %s", filepath);
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return nullptr;
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}
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auto data = std::make_unique<uint8_t[]>(content_length + sizePadding);
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if (data == nullptr) {
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TT_LOG_E(TAG, "Insufficient memory. Failed to allocate %ldl bytes.", content_length);
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return nullptr;
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}
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size_t buffer_offset = 0;
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while (buffer_offset < content_length) {
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size_t bytes_read = fread(&data.get()[buffer_offset], 1, content_length - buffer_offset, file);
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TT_LOG_I(TAG, "Read %d bytes", bytes_read);
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if (bytes_read > 0) {
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buffer_offset += bytes_read;
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} else { // Something went wrong?
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data = nullptr;
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break;
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}
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}
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outSize = buffer_offset;
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fclose(file);
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return data;
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}
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std::unique_ptr<uint8_t[]> readBinary(const char* filepath, size_t& outSize) {
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return readBinaryInternal(filepath, outSize);
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}
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std::unique_ptr<uint8_t[]> readString(const char* filepath) {
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size_t size = 0;
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auto data = readBinaryInternal(filepath, size, 1);
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if (size > 0) {
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data.get()[size] = 0; // Append null terminator
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return data;
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} else {
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return nullptr;
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}
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}
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}
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