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s390-ccw: update libc

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Moved:
  memcmp from bootmap.h to libc.h (renamed from _memcmp)
  strlen from sclp.c to libc.h (renamed from _strlen)

Added C standard functions:
  isdigit

Added non C-standard function:
  uitoa
  atoui

Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Collin L. Walling 2018-02-23 10:43:10 -05:00 • committed by Thomas Huth
parent ac4c5958b1
commit fc0e208774
7 changed files with 129 additions and 45 deletions
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37
pc-bios/s390-ccw/libc.h
View file

@ -1,6 +1,8 @@
/*
* libc-style definitions and functions
*
* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
*
* This code 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 2 of the License, or (at your
@ -19,7 +21,7 @@ typedef unsigned long long uint64_t;
static inline void *memset(void *s, int c, size_t n)
{
int i;
size_t i;
unsigned char *p = s;
for (i = 0; i < n; i++) {
@ -33,7 +35,7 @@ static inline void *memcpy(void *s1, const void *s2, size_t n)
{
uint8_t *dest = s1;
const uint8_t *src = s2;
int i;
size_t i;
for (i = 0; i < n; i++) {
dest[i] = src[i];
@ -42,4 +44,35 @@ static inline void *memcpy(void *s1, const void *s2, size_t n)
return s1;
}
static inline int memcmp(const void *s1, const void *s2, size_t n)
{
size_t i;
const uint8_t *p1 = s1, *p2 = s2;
for (i = 0; i < n; i++) {
if (p1[i] != p2[i]) {
return p1[i] > p2[i] ? 1 : -1;
}
}
return 0;
}
static inline size_t strlen(const char *str)
{
size_t i;
for (i = 0; *str; i++) {
str++;
}
return i;
}
static inline int isdigit(int c)
{
return (c >= '0') && (c <= '9');
}
uint64_t atoui(const char *str);
char *uitoa(uint64_t num, char *str, size_t len);
#endif