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/* winduni.c -- unicode support for the windres program.
Copyright 1997, 1998, 2000, 2001, 2003, 2007
Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GNU Binutils.
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., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* This file contains unicode support routines for the windres
program. Ideally, we would have generic unicode support which
would work on all systems. However, we don't. Instead, on a
Windows host, we are prepared to call some Windows routines. This
means that we will generate different output on Windows and Unix
hosts, but that seems better than not really supporting unicode at
all. */
#include "sysdep.h"
#include "bfd.h"
#include "winduni.h"
#include "safe-ctype.h"
#ifdef _WIN32
#include <windows.h>
#endif
/* Convert an ASCII string to a unicode string. We just copy it,
expanding chars to shorts, rather than doing something intelligent. */
void
unicode_from_ascii (int *length, unichar **unicode, const char *ascii)
{
int len;
#ifndef _WIN32
const char *s;
unsigned short *w;
len = strlen (ascii);
*unicode = ((unichar *) res_alloc ((len + 1) * sizeof (unichar)));
for (s = ascii, w = *unicode; *s != '\0'; s++, w++)
*w = *s & 0xff;
*w = 0;
#else
/* We use MultiByteToWideChar rather than strlen to get the unicode
string length to allow multibyte "ascii" chars. The value returned
by this function includes the trailing '\0'. */
len = MultiByteToWideChar (CP_ACP, 0, ascii, -1, NULL, 0);
if (len)
{
*unicode = ((unichar *) res_alloc (len * sizeof (unichar)));
MultiByteToWideChar (CP_ACP, 0, ascii, -1, *unicode, len);
}
/* Discount the trailing '/0'. If MultiByteToWideChar failed,
this will set *length to -1. */
len--;
#endif
if (length != NULL)
*length = len;
}
/* Print the unicode string UNICODE to the file E. LENGTH is the
number of characters to print, or -1 if we should print until the
end of the string. FIXME: On a Windows host, we should be calling
some Windows function, probably WideCharToMultiByte. */
void
unicode_print (FILE *e, const unichar *unicode, int length)
{
while (1)
{
unichar ch;
if (length == 0)
return;
if (length > 0)
--length;
ch = *unicode;
if (ch == 0 && length < 0)
return;
++unicode;
if ((ch & 0x7f) == ch)
{
if (ch == '\\')
fputs ("\\", e);
else if (ISPRINT (ch))
putc (ch, e);
else
{
switch (ch)
{
case ESCAPE_A:
fputs ("\\a", e);
break;
case ESCAPE_B:
fputs ("\\b", e);
break;
case ESCAPE_F:
fputs ("\\f", e);
break;
case ESCAPE_N:
fputs ("\\n", e);
break;
case ESCAPE_R:
fputs ("\\r", e);
break;
case ESCAPE_T:
fputs ("\\t", e);
break;
case ESCAPE_V:
fputs ("\\v", e);
break;
default:
fprintf (e, "\\%03o", (unsigned int) ch);
break;
}
}
}
else if ((ch & 0xff) == ch)
fprintf (e, "\\%03o", (unsigned int) ch);
else
fprintf (e, "\\x%x", (unsigned int) ch);
}
}
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