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/* wvWare
* Copyright (C) Caolan McNamara, Dom Lachowicz, and others
*
* This program 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 option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "wv.h"
#define SOME_ARBITRARY_LIMIT 1
int
wvGetEmpty_PLCF (U32 ** cps, U32 * nocps, U32 offset, U32 len, wvStream * fd)
{
U32 i;
if (len == 0)
{
*cps = NULL;
*nocps = 0;
}
else
{
*nocps = len / 4;
*cps = (U32 *) malloc (*nocps * sizeof (U32));
if (*cps == NULL)
{
wvError (
("NO MEM 3, failed to alloc %d bytes\n",
*nocps * sizeof (U32)));
return (1);
}
wvStream_goto (fd, offset);
for (i = 0; i < *nocps; i++)
(*cps)[i] = read_32ubit (fd);
}
return (0);
}
void
_wvFree (void* ptr)
{
g_free(ptr);
}
/**
* Very simple malloc wrapper
*/
void *
wvMalloc (U32 size)
{
void *p = NULL;
int ntries = 0;
if (size == 0)
return NULL;
/* loop trying to obtain memory */
do
{
p = (void *) g_try_malloc (size);
if (p)
break;
ntries++;
}
while (ntries < SOME_ARBITRARY_LIMIT);
if (!p)
{
wvError (("Could not allocate %d bytes\n", size));
exit (-1);
}
/* zero out the memory */
memset ( p, 0, size ) ;
return p;
}
/*
If the
second most significant bit is clear, then this indicates the actual file
offset of the unicode character (two bytes). If the second most significant
bit is set, then the actual address of the codepage-1252 compressed version
of the unicode character (one byte), is actually at the offset indicated by
clearing this bit and dividing by two.
*/
/*
flag = 1 means that this is a one byte char, 0 means that this is a type
byte char
*/
U32
wvNormFC (U32 fc, int *flag)
{
if (fc & 0x40000000UL)
{
fc = fc & 0xbfffffffUL;
fc = fc / 2;
if (flag)
*flag = 1;
}
else if (flag)
*flag = 0;
return (fc);
}
U16
wvGetChar (wvStream * fd, U8 chartype)
{
if (chartype == 1)
return (read_8ubit (fd));
else
return (read_16ubit (fd));
return (0);
}
int
wvIncFC (U8 chartype)
{
if (chartype == 1)
return (1);
return (2);
}
int
wvStrlen (const char *str)
{
if (str == NULL)
return (0);
return (strlen (str));
}
char *
wvStrcat (char *dest, const char *src)
{
if (src != NULL)
return (strcat (dest, src));
else
return (dest);
}
void
wvAppendStr (char **orig, const char *add)
{
int pos;
wvTrace (("got this far\n"));
pos = wvStrlen (*orig);
wvTrace (("len is %d %d\n", pos, wvStrlen (add)));
(*orig) = (char *) realloc (*orig, pos + wvStrlen (add) + 1);
(*orig)[pos] = '\0';
wvTrace (("3 test str of %s\n", *orig));
wvStrcat (*orig, add);
wvTrace (("3 test str of %s\n", *orig));
}
void
wvStrToUpper (char *str)
{
int i;
if (str == NULL)
return;
for (i = 0; i < wvStrlen (str); i++)
str[i] = toupper (str[i]);
}
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