52 lines
1002 B
C++
52 lines
1002 B
C++
#pragma once
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#include <sys/wait.h>
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namespace waybar::util::command {
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struct 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 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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inline bool forkExec(std::string cmd) {
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if (cmd == "") return true;
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int32_t pid = fork();
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if (pid < 0) {
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printf("Unable to exec cmd %s, error %s", cmd.c_str(), strerror(errno));
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return false;
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}
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// Child executes the command
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if (!pid) execl("/bin/sh", "sh", "-c", cmd.c_str(), (char*)0);
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return true;
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}
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} // namespace waybar::util::command
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