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/*
* zipl - zSeries Initial Program Loader tool
*
* Mini libc implementation
*
* Copyright IBM Corp. 2013, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef LIBC_H
#define LIBC_H
#include <stdint.h>
#include <stddef.h>
#include "lib/zt_common.h"
#include "boot/psw.h"
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Argument list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define MIB (1024ULL * 1024)
#define LINE_LENGTH 80 /* max line length printed by printf */
void printf(const char *, ...);
void snprintf(char *buf, unsigned long size, const char *fmt, ...);
void *memcpy(void *, const void *, unsigned long);
void *memmove(void *, const void *, unsigned long);
void *memset(void *, int c, unsigned long);
char *strcat(char *, const char *);
int strncmp(const char *, const char *, unsigned long);
int strlen(const char *);
char *strcpy(char *, const char *);
size_t strlcpy(char *dest, const char *src, size_t size);
char *strchr(const char *str, char c);
unsigned int strhash(unsigned char *str, char *prefix, unsigned int hash_size);
unsigned long get_zeroed_page(void);
void free_page(unsigned long);
void initialize(void);
void libc_stop(unsigned long) __noreturn;
void __noreturn start(void);
void pgm_check_handler(void);
void pgm_check_handler_fn(void);
void panic_notify(unsigned long reason);
void load_wait_psw(uint64_t, struct psw_t *);
#define panic(reason, ...) \
do { \
printf(__VA_ARGS__); \
panic_notify(reason); \
libc_stop(reason); \
} while (0)
static inline int isdigit(int c)
{
return (c >= '0') && (c <= '9');
}
static inline int isspace(char c)
{
return (c == 32) || (c >= 9 && c <= 13);
}
#endif /* LIBC_H */
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