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@ -9,7 +9,15 @@ int print_func(FILE* fd, const char* str)
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std::cout<<"PRINT: "<<str<<std::endl; |
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return 0; |
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} |
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/*
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int callgmtmodule(void *API, const char *module, int mode, void *args, std::string& res) |
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{ |
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int pipefd[2]; |
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int savefd; |
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} |
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*/ |
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int main() |
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{ |
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@ -28,24 +36,28 @@ int main()
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gmtapi=GMT_Create_Session(text,2,0,print_func); |
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//io=GMT_Register_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_DUPLICATE,GMT_IS_NONE,GMT_OUT,0,0);
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//GMT_Encode_ID(gmtapi,fname,io);
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pipe(pipefd); |
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args+=" ->/dev/fd/"+std::to_string(pipefd[1]); |
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opts=GMT_Create_Options(gmtapi,0,(void*)args.c_str()); |
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//ret=GMT_Init_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_NONE,GMT_OUT,5,0,opts);
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std::cout<<io<<" "<<GMT_NOTSET<<" "<<fname<<" "<<ret<<std::endl; |
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pipe(pipefd); |
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pid=fork(); |
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if(0==pid) |
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{ |
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dup2(pipefd[1],1); |
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//dup2(pipefd[1],1);
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GMT_Call_Module(gmtapi,"psbasemap",GMT_MODULE_OPT,opts); |
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close(pipefd[1]); |
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exit(0); |
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} |
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else |
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{ |
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ssize_t br; |
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std::string s="CALL\n"; |
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// std::string s="CALL\n";
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// write(1,s.c_str(),s.length());
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close(pipefd[1]); |
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// close(pipefd[1]);
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do |
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{ |
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br=read(pipefd[0],buffer,4096); |
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@ -53,7 +65,8 @@ int main()
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out.append(buffer,br); |
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} while(0!=br); |
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wait(0); |
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close(pipefd[0]); |
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// close(pipefd[0]);
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} |
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out.shrink_to_fit(); |
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