pc-bios/s390-ccw/libc.h

   1 /*
   2  * libc-style definitions and functions
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by the
   6  * Free Software Foundation; either version 2 of the License, or (at your
   7  * option) any later version.
   8  */
   9
  10 #ifndef S390_CCW_LIBC_H
  11 #define S390_CCW_LIBC_H
  12
  13 typedef long               size_t;
  14 typedef int                bool;
  15 typedef unsigned char      uint8_t;
  16 typedef unsigned short     uint16_t;
  17 typedef unsigned int       uint32_t;
  18 typedef unsigned long long uint64_t;
  19
  20 static inline void *memset(void *s, int c, size_t n)
  21 {
  22     int i;
  23     unsigned char *p = s;
  24
  25     for (i = 0; i < n; i++) {
  26         p[i] = c;
  27     }
  28
  29     return s;
  30 }
  31
  32 static inline void *memcpy(void *s1, const void *s2, size_t n)
  33 {
  34     uint8_t *dest = s1;
  35     const uint8_t *src = s2;
  36     int i;
  37
  38     for (i = 0; i < n; i++) {
  39         dest[i] = src[i];
  40     }
  41
  42     return s1;
  43 }
  44
  45 #endif