| /* |
| Test utilities. |
| |
| Copyright (c) 2012-2014, Victor Zverovich |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| 1. Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #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; |
| } |