Mateusz Jaskula
/
KL25Z_TangoIO
KL25 driver for Tango Control System
pico_string.h@0:5d27c333afa6, 2014-08-25 (annotated)
- Committer:
- jskl
- Date:
- Mon Aug 25 12:00:15 2014 +0000
- Revision:
- 0:5d27c333afa6
Initial Release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jskl | 0:5d27c333afa6 | 1 | // pico_string.h 2013/8/27 |
jskl | 0:5d27c333afa6 | 2 | #pragma once |
jskl | 0:5d27c333afa6 | 3 | class pico_string { |
jskl | 0:5d27c333afa6 | 4 | public: |
jskl | 0:5d27c333afa6 | 5 | pico_string(){ |
jskl | 0:5d27c333afa6 | 6 | _len = 0; |
jskl | 0:5d27c333afa6 | 7 | _buf = (char*)malloc(1); |
jskl | 0:5d27c333afa6 | 8 | if (_buf) { |
jskl | 0:5d27c333afa6 | 9 | _buf[0] = '\0'; |
jskl | 0:5d27c333afa6 | 10 | } |
jskl | 0:5d27c333afa6 | 11 | } |
jskl | 0:5d27c333afa6 | 12 | ~pico_string() { |
jskl | 0:5d27c333afa6 | 13 | if (_buf) { |
jskl | 0:5d27c333afa6 | 14 | free(_buf); |
jskl | 0:5d27c333afa6 | 15 | } |
jskl | 0:5d27c333afa6 | 16 | } |
jskl | 0:5d27c333afa6 | 17 | bool empty() { |
jskl | 0:5d27c333afa6 | 18 | return _len == 0; |
jskl | 0:5d27c333afa6 | 19 | } |
jskl | 0:5d27c333afa6 | 20 | void append(const char* s, int len) { |
jskl | 0:5d27c333afa6 | 21 | if (_buf == NULL) { |
jskl | 0:5d27c333afa6 | 22 | return; |
jskl | 0:5d27c333afa6 | 23 | } |
jskl | 0:5d27c333afa6 | 24 | char* p = (char*)malloc(_len+len+1); |
jskl | 0:5d27c333afa6 | 25 | if (p == NULL) { |
jskl | 0:5d27c333afa6 | 26 | return; |
jskl | 0:5d27c333afa6 | 27 | } |
jskl | 0:5d27c333afa6 | 28 | memcpy(p, _buf, _len); |
jskl | 0:5d27c333afa6 | 29 | memcpy(p+_len, s, len); |
jskl | 0:5d27c333afa6 | 30 | p[_len+len] = '\0'; |
jskl | 0:5d27c333afa6 | 31 | free(_buf); |
jskl | 0:5d27c333afa6 | 32 | _buf = p; |
jskl | 0:5d27c333afa6 | 33 | } |
jskl | 0:5d27c333afa6 | 34 | void append(const char* s) { |
jskl | 0:5d27c333afa6 | 35 | append(s, strlen(s)); |
jskl | 0:5d27c333afa6 | 36 | } |
jskl | 0:5d27c333afa6 | 37 | char* c_str() { |
jskl | 0:5d27c333afa6 | 38 | if (_buf) { |
jskl | 0:5d27c333afa6 | 39 | return _buf; |
jskl | 0:5d27c333afa6 | 40 | } |
jskl | 0:5d27c333afa6 | 41 | return ""; |
jskl | 0:5d27c333afa6 | 42 | } |
jskl | 0:5d27c333afa6 | 43 | private: |
jskl | 0:5d27c333afa6 | 44 | char* _buf; |
jskl | 0:5d27c333afa6 | 45 | int _len; |
jskl | 0:5d27c333afa6 | 46 | }; |