fmt/test/util.cc
2020-05-07 15:59:46 -07:00

51 lines
1.1 KiB
C++

// Formatting library for C++ - test utilities
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#include "util.h"
#include <cstring>
void increment(char* s) {
for (int i = static_cast<int>(std::strlen(s)) - 1; i >= 0; --i) {
if (s[i] != '9') {
++s[i];
break;
}
s[i] = '0';
}
}
std::string get_system_error(int error_code) {
#if defined(__MINGW32__) || !defined(_WIN32)
return strerror(error_code);
#else
enum { BUFFER_SIZE = 200 };
char buffer[BUFFER_SIZE];
if (strerror_s(buffer, BUFFER_SIZE, error_code))
throw std::exception("strerror_s failed");
return buffer;
#endif
}
const char* const FILE_CONTENT = "Don't panic!";
fmt::buffered_file open_buffered_file(FILE** fp) {
#if FMT_USE_FCNTL
fmt::file read_end, write_end;
fmt::file::pipe(read_end, write_end);
write_end.write(FILE_CONTENT, std::strlen(FILE_CONTENT));
write_end.close();
fmt::buffered_file f = read_end.fdopen("r");
if (fp) *fp = f.get();
#else
fmt::buffered_file f("test-file", "w");
fputs(FILE_CONTENT, f.get());
if (fp) *fp = f.get();
#endif
return f;
}