fmt/test/util.cc
Victor Zverovich 86a9bc8291 Cleanup
2018-03-04 09:16:51 -08:00

45 lines
1.0 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::BufferedFile open_buffered_file(FILE **fp) {
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::BufferedFile f = read_end.fdopen("r");
if (fp)
*fp = f.get();
return f;
}