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Socket/pico_string.h@0:6f28332c466f, 2015-06-15 (annotated)
- Committer:
- Soohwan Kim
- Date:
- Mon Jun 15 11:18:37 2015 +0900
- Revision:
- 0:6f28332c466f
initial version
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Soohwan Kim |
0:6f28332c466f | 1 | // pico_string.h 2013/8/27 |
| Soohwan Kim |
0:6f28332c466f | 2 | #pragma once |
| Soohwan Kim |
0:6f28332c466f | 3 | class pico_string { |
| Soohwan Kim |
0:6f28332c466f | 4 | public: |
| Soohwan Kim |
0:6f28332c466f | 5 | pico_string(){ |
| Soohwan Kim |
0:6f28332c466f | 6 | _len = 0; |
| Soohwan Kim |
0:6f28332c466f | 7 | _buf = (char*)malloc(1); |
| Soohwan Kim |
0:6f28332c466f | 8 | if (_buf) { |
| Soohwan Kim |
0:6f28332c466f | 9 | _buf[0] = '\0'; |
| Soohwan Kim |
0:6f28332c466f | 10 | } |
| Soohwan Kim |
0:6f28332c466f | 11 | } |
| Soohwan Kim |
0:6f28332c466f | 12 | ~pico_string() { |
| Soohwan Kim |
0:6f28332c466f | 13 | if (_buf) { |
| Soohwan Kim |
0:6f28332c466f | 14 | free(_buf); |
| Soohwan Kim |
0:6f28332c466f | 15 | } |
| Soohwan Kim |
0:6f28332c466f | 16 | } |
| Soohwan Kim |
0:6f28332c466f | 17 | bool empty() { |
| Soohwan Kim |
0:6f28332c466f | 18 | return _len == 0; |
| Soohwan Kim |
0:6f28332c466f | 19 | } |
| Soohwan Kim |
0:6f28332c466f | 20 | void append(const char* s, int len) { |
| Soohwan Kim |
0:6f28332c466f | 21 | if (_buf == NULL) { |
| Soohwan Kim |
0:6f28332c466f | 22 | return; |
| Soohwan Kim |
0:6f28332c466f | 23 | } |
| Soohwan Kim |
0:6f28332c466f | 24 | char* p = (char*)malloc(_len+len+1); |
| Soohwan Kim |
0:6f28332c466f | 25 | if (p == NULL) { |
| Soohwan Kim |
0:6f28332c466f | 26 | return; |
| Soohwan Kim |
0:6f28332c466f | 27 | } |
| Soohwan Kim |
0:6f28332c466f | 28 | memcpy(p, _buf, _len); |
| Soohwan Kim |
0:6f28332c466f | 29 | memcpy(p+_len, s, len); |
| Soohwan Kim |
0:6f28332c466f | 30 | p[_len+len] = '\0'; |
| Soohwan Kim |
0:6f28332c466f | 31 | free(_buf); |
| Soohwan Kim |
0:6f28332c466f | 32 | _buf = p; |
| Soohwan Kim |
0:6f28332c466f | 33 | } |
| Soohwan Kim |
0:6f28332c466f | 34 | void append(const char* s) { |
| Soohwan Kim |
0:6f28332c466f | 35 | append(s, strlen(s)); |
| Soohwan Kim |
0:6f28332c466f | 36 | } |
| Soohwan Kim |
0:6f28332c466f | 37 | char* c_str() { |
| Soohwan Kim |
0:6f28332c466f | 38 | if (_buf) { |
| Soohwan Kim |
0:6f28332c466f | 39 | return _buf; |
| Soohwan Kim |
0:6f28332c466f | 40 | } |
| Soohwan Kim |
0:6f28332c466f | 41 | return ""; |
| Soohwan Kim |
0:6f28332c466f | 42 | } |
| Soohwan Kim |
0:6f28332c466f | 43 | private: |
| Soohwan Kim |
0:6f28332c466f | 44 | char* _buf; |
| Soohwan Kim |
0:6f28332c466f | 45 | int _len; |
| Soohwan Kim |
0:6f28332c466f | 46 | }; |