Ian Kilburn / WIZnet_Library

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WIZnetInterface/pico_string.h@4:d27e81004ae9, 2014-12-28 (annotated)

Committer:
highroads
Date:
Sun Dec 28 16:37:48 2014 +0000
Revision:
4:d27e81004ae9
Parent:
0:b72d22e10709 
Removed mbed library that was linked inside this library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jbkim 0:b72d22e10709 1 // pico_string.h 2013/8/27
jbkim 0:b72d22e10709 2 #pragma once
jbkim 0:b72d22e10709 3 class pico_string {
jbkim 0:b72d22e10709 4 public:
jbkim 0:b72d22e10709 5 pico_string(){
jbkim 0:b72d22e10709 6 _len = 0;
jbkim 0:b72d22e10709 7 _buf = (char*)malloc(1);
jbkim 0:b72d22e10709 8 if (_buf) {
jbkim 0:b72d22e10709 9 _buf[0] = '\0';
jbkim 0:b72d22e10709 10 }
jbkim 0:b72d22e10709 11 }
jbkim 0:b72d22e10709 12 ~pico_string() {
jbkim 0:b72d22e10709 13 if (_buf) {
jbkim 0:b72d22e10709 14 free(_buf);
jbkim 0:b72d22e10709 15 }
jbkim 0:b72d22e10709 16 }
jbkim 0:b72d22e10709 17 bool empty() {
jbkim 0:b72d22e10709 18 return _len == 0;
jbkim 0:b72d22e10709 19 }
jbkim 0:b72d22e10709 20 void append(const char* s, int len) {
jbkim 0:b72d22e10709 21 if (_buf == NULL) {
jbkim 0:b72d22e10709 22 return;
jbkim 0:b72d22e10709 23 }
jbkim 0:b72d22e10709 24 char* p = (char*)malloc(_len+len+1);
jbkim 0:b72d22e10709 25 if (p == NULL) {
jbkim 0:b72d22e10709 26 return;
jbkim 0:b72d22e10709 27 }
jbkim 0:b72d22e10709 28 memcpy(p, _buf, _len);
jbkim 0:b72d22e10709 29 memcpy(p+_len, s, len);
jbkim 0:b72d22e10709 30 p[_len+len] = '\0';
jbkim 0:b72d22e10709 31 free(_buf);
jbkim 0:b72d22e10709 32 _buf = p;
jbkim 0:b72d22e10709 33 }
jbkim 0:b72d22e10709 34 void append(const char* s) {
jbkim 0:b72d22e10709 35 append(s, strlen(s));
jbkim 0:b72d22e10709 36 }
jbkim 0:b72d22e10709 37 char* c_str() {
jbkim 0:b72d22e10709 38 if (_buf) {
jbkim 0:b72d22e10709 39 return _buf;
jbkim 0:b72d22e10709 40 }
jbkim 0:b72d22e10709 41 return "";
jbkim 0:b72d22e10709 42 }
jbkim 0:b72d22e10709 43 private:
jbkim 0:b72d22e10709 44 char* _buf;
jbkim 0:b72d22e10709 45 int _len;
jbkim 0:b72d22e10709 46 };