165 lines
3.1 KiB
C
165 lines
3.1 KiB
C
/*
|
|
* Copyright (C) 1999-2003 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;
|
|
}
|
|
|
|
|