elks-enhanced - XT-Emporium

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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <paths.h>

FILE *popen(const char *command, const char *rw)
{
    int pipe_fd[2];
    int pid, reading;

    if (command == NULL || pipe(pipe_fd) < 0)
        return NULL;
    reading = (rw[0] == 'r');

    pid = vfork();
    if (pid < 0) {
        close(pipe_fd[0]);
        close(pipe_fd[1]);
        return NULL;
    }
    if (pid == 0) {
        close(pipe_fd[!reading]);
        close(reading);
        if (pipe_fd[reading] != reading) {
            dup2(pipe_fd[reading], reading);
            close(pipe_fd[reading]);
        }

        execl(_PATH_BSHELL, "sh", "-c", command, (char*)0);
        _exit(255);
    }

    close(pipe_fd[reading]);
    return fdopen(pipe_fd[!reading], rw);
}

int pclose(FILE *fd)
{
    int waitstat;
    if (fclose(fd) != 0)
        return EOF;
    return wait(&waitstat);
}

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