(cache)[Wandbox]三へ( へ՞ਊ ՞)へﾊｯﾊｯ

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Load template

Warnings

Optimization

Verbose

Sprout

MessagePack

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About sponsors(Japanese)

created by

anonymous

2 minutes ago

​x
 
#include <cstdio>
#include <string>
#include <vector>
​
int main(void) {
    struct x {
        std::string serveraddr_spad;
    };
    x hoge;
    x* settings = &hoge;
    settings->serveraddr_spad = "/dev/ttyUSB0";
​
    std::vector<char> portchar((settings->serveraddr_spad).c_str(), 
                           (settings->serveraddr_spad).c_str() +
                        (settings->serveraddr_spad).size() + 1);
    
    for (size_t i = 0; i < portchar.size(); i++) printf("%d %c\n", portchar[i], portchar[i]);
    puts(&portchar[0]);
    return 0;
}
​

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$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-9.3.0/include -std=gnu++2a

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Start

47 /
100 d
101 e
118 v
47 /
116 t
116 t
121 y
85 U
83 S
66 B
48 0
0 
/dev/ttyUSB0

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