36 lines
647 B
C++
36 lines
647 B
C++
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#pragma once
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#include <sys/wait.h>
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namespace waybar::util::command {
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struct cmd_res {
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int exit_code;
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std::string out;
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};
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inline struct cmd_res exec(const std::string cmd)
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{
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FILE* fp(popen(cmd.c_str(), "r"));
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if (!fp) {
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return { -1, "" };
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}
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std::array<char, 128> buffer = {0};
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std::string output;
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while (feof(fp) == 0) {
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if (fgets(buffer.data(), 128, fp) != nullptr) {
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output += buffer.data();
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}
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}
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// Remove last newline
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if (!output.empty() && output[output.length()-1] == '\n') {
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output.erase(output.length()-1);
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}
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int exit_code = WEXITSTATUS(pclose(fp));
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return { exit_code, output };
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}
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}
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