WIZNet W5500 with additional enhancements
Fork of WIZnetInterface by
Socket/pico_string.h
- Committer:
- Helmut Tschemernjak
- Date:
- 2017-10-12
- Revision:
- 38:67e763cdde02
- Parent:
- 32:f6d76a55a50b
File content as of revision 38:67e763cdde02:
// pico_string.h 2013/8/27 #pragma once class pico_string { public: pico_string(){ _len = 0; _buf = (char*)malloc(1); if (_buf) { _buf[0] = '\0'; } } ~pico_string() { if (_buf) { free(_buf); } } bool empty() { return _len == 0; } void append(const char* s, int len) { if (_buf == NULL) { return; } char* p = (char*)malloc(_len+len+1); if (p == NULL) { return; } memcpy(p, _buf, _len); memcpy(p+_len, s, len); p[_len+len] = '\0'; free(_buf); _buf = p; } void append(const char* s) { append(s, strlen(s)); } char* c_str() { if (_buf) { return _buf; } return (char *)""; } private: char* _buf; int _len; };