jiang hao / WIZnetInterface

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Dependents:   espyun1

Fork of WIZnetInterface by WIZnet

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?

UserRevisionLine numberNew 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 };