/*
 *  This file is part of libth.
 *
 *  libth is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  libth is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with libth.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _TH_H
#define _TH_H
/*
 * Standard Header - to be included before all standard system headers.
 *
 * Attribution: UNIX Network Programming Volume 1
 *  - W. Richard Stevens, Bill Fenner, Andrew M. Rudoff
 */
#define _POSIX_C_SOURCE 200809L

#include <stdio.h>                              /* for convenience */
#include <stdlib.h>                             /* for convenience */
#include <string.h>                             /* for convenience */
#include <unistd.h>                             /* for convenience */
#include <sys/types.h>          /* basic system data types */

#define max(a,b) \
   ({ __typeof__ (a) _a = (a); \
       __typeof__ (b) _b = (b); \
     _a > _b ? _a : _b; })

#define min(a,b) \
   ({ __typeof__ (a) _a = (a); \
       __typeof__ (b) _b = (b); \
     _a < _b ? _a : _b; })

/* Define bzero() as macro */
#define bzero(ptr, n) memset(ptr, 0, (size_t)(n))

ssize_t Readn(int fd, void *ptr, size_t nbytes); /* readn.c */
void Writen(int fd, void *ptr, size_t nbytes);   /* writen.c */

/* error funtion prototypes: error.c */
void    err_ret(const char *fmt, ...);
void    err_sys(const char *fmt, ...) __attribute__((noreturn));
void    err_dump(const char *fmt, ...) __attribute__((noreturn));
void    err_msg(const char *fmt, ...);
void    err_quit(const char *fmt, ...) __attribute__((noreturn));

/* prototypes for our Unix wrapper functions: wrapunix.c */
void    *Calloc(size_t, size_t);
void     Close(int);
void     Dup2(int, int);
int              Fcntl(int, int, int);
int              Ioctl(int, int, void *);
pid_t    Fork(void);
/* void Gettimeofday(struct timeval *tv, void *foo); */
void    *Malloc(size_t);
int          Mkstemp(char *);
void    *Mmap(void *, size_t, int, int, int, off_t);
int              Open(const char *, int, mode_t);
void     Pipe(int *fds);
ssize_t  Read(int, void *, size_t);
char    *Strdup(const char *);
long     Sysconf(int);
/* void  Sysctl(int *, uint32_t, void *, size_t *, void *, size_t); */
void     Unlink(const char *);
pid_t    Wait(int *);
pid_t    Waitpid(pid_t, int *, int);
void     Write(int, void *, size_t);

/* prototypes for our stdio wrapper functions: wrapstdio.c */
void     Fclose(FILE *);
FILE    *Fdopen(int, const char *);
char    *Fgets(char *, int, FILE *);
FILE    *Fopen(const char *, const char *);
void     Fputs(const char *, FILE *);

#endif  /* _TH_H */