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#ifndef POTD_UTILS_H
#define POTD_UTILS_H 1
#include <stdlib.h>
#ifndef SIZEOF
#define SIZEOF(arr) (sizeof(arr)/sizeof(arr[0]))
#endif
#define MIN(x, y) (x > y ? y : x)
extern char *arg0;
int set_fd_nonblock(int fd);
int set_child_sighandler(void);
int set_master_sighandler(void);
void set_procname(const char *new_arg0);
pid_t daemonize(int stay_foreground);
int close_fds_except(int fd, ...);
int redirect_devnull_to(int fds, ...);
int change_user_group(const char *user, const char *group);
int safe_chroot(const char *newroot);
int dir_is_mountpoint(const char *path);
void chk_chroot(void);
void mount_root(void);
int mount_dev(const char *mount_path);
int mount_pts(const char *mount_path);
int mount_proc(const char *mount_path);
int create_device_file_checked(const char *mount_path, const char *device_file,
mode_t mode, int add_mode, dev_t dev);
int create_device_files(const char *mount_path);
#if 0
int update_guid_map(pid_t pid, unsigned int uid_map[3], int update_uidmap);
int update_setgroups_self(int allow);
#endif
void escape_ascii_string(const char ascii[], size_t siz,
char **dest, size_t *newsiz);
#endif
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