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/*
* Copyright (C) 1999-2002 Hewlett-Packard Co.
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
*
* This file is part of the ELILO, the EFI Linux boot loader.
*
* ELILO 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, or (at your option)
* any later version.
*
* ELILO 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 ELILO; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Please check out the elilo.txt for complete documentation on how
* to use this program.
*/
#include <efi.h>
#include <efilib.h>
#define CHAR_NULL (CHAR16)'\0'
CHAR16 *
StrChr(IN const CHAR16 *s, IN const CHAR16 c)
{
for(; *s != c; ++s) if (*s == CHAR_NULL) return NULL;
return (CHAR16 *)s;
}
CHAR16 *
StrnCpy(OUT CHAR16 *dst, IN const CHAR16 *src, IN UINTN size)
{
CHAR16 *res = dst;
while (size-- && (*dst++ = *src++) != CHAR_NULL);
/*
* does the null padding
*/
while (size-- > 0) *dst++ = CHAR_NULL;
return res;
}
CHAR8 *
StrnXCpy(OUT CHAR8 *dst, IN const CHAR16 *src, IN UINTN size)
{
CHAR8 *res = dst;
while (size-- && (*dst++ = (CHAR8)*src++) != '\0');
/*
* does the null padding
*/
while (size-- > 0) *dst++ = '\0';
return res;
}
VOID
U2ascii(CHAR16 *in, CHAR8 *out, UINTN maxlen)
{
while(maxlen-- > 1 && (*out++ = *in++));
*out = '\0';
}
CHAR8 *
strncpya(OUT CHAR8 *dst, IN const CHAR8 *src, IN UINTN size)
{
CHAR8 *res = dst;
while (size-- && (*dst++ = *src++) != '\0');
/*
* does the null padding
*/
while (size-- > 0) *dst++ = '\0';
return res;
}
CHAR8 *
strcpya(CHAR8 *dst, const CHAR8 *src)
{
CHAR8 *tmp = dst;
while (*src) {
*(dst++) = *(src++);
}
*dst = 0;
return tmp;
}
CHAR8 *
strchra(IN const CHAR8 *s, IN const CHAR8 c)
{
for(; *s != c; ++s)
if (*s == 0) return NULL;
return (CHAR8 *)s;
}
CHAR8 *
strcata(IN CHAR8 *dst,IN CHAR8 *src)
{
return strcpya(dst+strlena(dst), src);
}
CHAR8 *
strrchra(IN const CHAR8 *s, const INTN c)
{
CHAR8 *found, *p, ch = (CHAR8)c;
/* Since strchr is fast, we use it rather than the obvious loop. */
if (ch == '\0') return strchra(s, '\0');
found = NULL;
while ((p = strchra(s, ch)) != NULL)
{
found = p;
s = p + 1;
}
return (CHAR8 *) found;
}
CHAR8 *
strtok_simple(CHAR8 *in, CHAR8 c)
{
static CHAR8 *last;
CHAR8 *tmp;
if (in == NULL) in = last;
if (in == NULL) return NULL;
if (*in == c) in++;
tmp = strchra(in, c);
if (tmp) {
*tmp = '\0';
last = tmp+1;
} else {
last = NULL;
}
return in;
}
VOID
ascii2U(CHAR8 *in, CHAR16 *out, UINTN maxlen)
{
while(maxlen-- > 1 && (*out++ = *in++));
*out = (CHAR16)0;
}
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