Gabriele Cosmo
77 lines
1.7 KiB
Plaintext
77 lines
1.7 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_rcmp
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#define tools_rcmp
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// used in safe cast.
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#include <string>
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#include <cstring>
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namespace tools {
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inline bool rcmp(const char* a_1,const char* a_2) {
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size_t l1 = ::strlen(a_1);
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size_t l2 = ::strlen(a_2);
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if(l1!=l2) return false;
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if(!l1) return true;
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const char* p1 = a_1+l1-1;
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const char* p2 = a_2+l2-1;
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//ab
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//012
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for(size_t index=0;index<l1;index++,p1--,p2--) {
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if(*p1!=*p2) return false;
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}
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return true;
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}
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inline bool rcmp(const std::string& a_1,const char* a_2) {
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std::string::size_type l1 = a_1.size();
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size_t l2 = ::strlen(a_2);
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if(size_t(l1)!=l2) return false;
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if(!l1) return true;
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const char* p1 = a_1.c_str()+l1-1;
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const char* p2 = a_2+l2-1;
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//ab
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//012
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for(std::string::size_type index=0;index<l1;index++,p1--,p2--) {
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if(*p1!=*p2) return false;
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}
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return true;
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}
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inline bool rcmp(const char* a_1,const std::string& a_2) {
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size_t l1 = ::strlen(a_1);
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std::string::size_type l2 = a_2.size();
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if(l1!=size_t(l2)) return false;
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if(!l1) return true;
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const char* p1 = a_1+l1-1;
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const char* p2 = a_2.c_str()+l2-1;
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//ab
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//012
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for(size_t index=0;index<l1;index++,p1--,p2--) {
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if(*p1!=*p2) return false;
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}
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return true;
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}
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inline bool rcmp(const std::string& a_1,const std::string& a_2) {
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std::string::size_type l1 = a_1.size();
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std::string::size_type l2 = a_2.size();
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if(l1!=l2) return false;
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if(!l1) return true;
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const char* p1 = a_1.c_str()+l1-1;
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const char* p2 = a_2.c_str()+l2-1;
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//ab
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//012
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for(std::string::size_type index=0;index<l1;index++,p1--,p2--) {
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if(*p1!=*p2) return false;
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}
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return true;
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}
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}
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#endif
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