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#ifndef COMMON_H
#define COMMON_H
#include <bits/errno.h>
#include <stdarg.h>
#define NULL ((void *)0)
#define _S(s) s, (sizeof(s) - 1)
#define CSTR(s) ((struct str) { s, s + sizeof(s) - 1 })
#define STR(s) ((struct str) { s, s + strzlen(s) })
struct str {
char *start;
char *end;
};
extern int errno;
extern char *progname;
void exit(int code);
int read(int fd, char *buf, int len);
int write(int fd, char *buf, int len);
#define O_RDONLY 0
int open(char *fname, int flags, int mode);
/*
* Taken from linux/arch/x86/include/uapi/asm/stat.h
* Matches arch/x86_64/bits/stat.h
*/
struct time {
unsigned long sec;
unsigned long usec;
};
struct stat {
unsigned long dev;
unsigned long ino;
unsigned long nlink;
unsigned int mode;
unsigned int uid;
unsigned int gid;
unsigned int __pad0;
unsigned long rdev;
unsigned long size;
unsigned long blksize;
unsigned long blocks;
struct time atime;
struct time mtime;
struct time ctime;
long __unused[3];
};
int stat(char *fname, struct stat *st);
int fstat(int fd, struct stat *st);
int close(int fd);
#define MAP_PRIVATE 0x02
#define MAP_ANON 0x20
#define PROT_NONE 0
#define PROT_READ 1
#define PROT_WRITE 2
#define PROT_EXEC 4
void *mmap(char *addr, unsigned long length, int prot, int flags, int fd,
unsigned long offset);
int munmap(char *addr, int length);
#define MREMAP_MAYMOVE 1
int mremap(void *old_addr, unsigned long old_size, unsigned long new_size,
int flags, void *new_addr);
void hexit(int code);
extern struct iobuf stdout;
extern struct iobuf stderr;
void print_strz(struct iobuf *buf, char *s);
void print_str(struct iobuf *buf, struct str *s);
void printf(char *fmt, ...);
void eprintf(char *fmt, ...);
void evprintf(char *fmt, va_list vl);
void save_heap_offset();
void restore_heap_offset();
void *malloc(int size);
int strzlen(char *s);
int strzeq(char *s1, char *s2);
int streq(struct str *s1, struct str *s2);
void perror(char *s);
void syscall_error(char *fname);
void memmove(char *dest, char *src, int len);
void memcpy(void *dest, void *src, int len);
void memset(void *dest, char c, int len);
#endif
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