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62 lines
1.7 KiB
62 lines
1.7 KiB
4 months ago
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#include "xmpmeta/file.h"
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#include <cstdio>
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#include "android-base/logging.h"
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namespace dynamic_depth {
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namespace xmpmeta {
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using std::string;
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void WriteStringToFileOrDie(const string& data, const string& filename) {
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FILE* file_descriptor = fopen(filename.c_str(), "wb");
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if (!file_descriptor) {
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LOG(FATAL) << "Couldn't write to file: " << filename;
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}
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fwrite(data.c_str(), 1, data.size(), file_descriptor);
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fclose(file_descriptor);
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}
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void ReadFileToStringOrDie(const string& filename, string* data) {
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FILE* file_descriptor = fopen(filename.c_str(), "r");
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if (!file_descriptor) {
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LOG(FATAL) << "Couldn't read file: " << filename;
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}
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// Resize the input buffer appropriately.
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fseek(file_descriptor, 0L, SEEK_END);
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int num_bytes = ftell(file_descriptor);
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data->resize(num_bytes);
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// Read the data.
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fseek(file_descriptor, 0L, SEEK_SET);
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int num_read =
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fread(&((*data)[0]), sizeof((*data)[0]), num_bytes, file_descriptor);
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if (num_read != num_bytes) {
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LOG(FATAL) << "Couldn't read all of " << filename
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<< "expected bytes: " << num_bytes * sizeof((*data)[0])
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<< "actual bytes: " << num_read;
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}
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fclose(file_descriptor);
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}
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string JoinPath(const string& dirname, const string& basename) {
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#ifdef _WIN32
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static const char separator = '\\';
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#else
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static const char separator = '/';
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#endif // _WIN32
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if ((!basename.empty() && basename[0] == separator) || dirname.empty()) {
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return basename;
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} else if (dirname[dirname.size() - 1] == separator) {
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return dirname + basename;
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} else {
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return dirname + string(&separator, 1) + basename;
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}
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}
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} // namespace xmpmeta
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} // namespace dynamic_depth
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