system.h

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#ifndef STASIS_SYSTEM_H
#define STASIS_SYSTEM_H
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <limits.h>
#include <sys/wait.h>
#include <sys/stat.h>
 
#define STASIS_SHELL_SAFE_RESTRICT ";&|()"
 
struct Process {
    // Write stdout stream to file
    char f_stdout[PATH_MAX];
    // Write stderr stream to file
    char f_stderr[PATH_MAX];
    // Combine stderr and stdout (into stdout stream)
    int redirect_stderr;
    // Exit code from program
    int returncode;
};
 
int shell(struct Process *proc, char *args);
int shell_safe(struct Process *proc, char *args);
char *shell_output(const char *command, int *status);
 
#endif //STASIS_SYSTEM_H