1 files changed, 148 insertions, 0 deletions
diff --git a/backends/platform/symbian/src/portdefs.h b/backends/platform/symbian/src/portdefs.h
new file mode 100644
index 0000000000..303fde726d
--- /dev/null
+++ b/backends/platform/symbian/src/portdefs.h
@@ -0,0 +1,148 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003-2005 Andreas 'Sprawl' Karlsson - Original EPOC port, ESDL
+ * Copyright (C) 2003-2005 Lars 'AnotherGuest' Persson - Original EPOC port, Audio System
+ * Copyright (C) 2005 Jurgen 'SumthinWicked' Braam - EPOC/CVS maintainer
+ * Copyright (C) 2005-2006 The ScummVM project
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include <assert.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <e32def.h>
+
+#include <e32std.h>
+#include <math.h>
+
+#define DISABLE_SCALERS // we only need 1x
+
+#if defined(USE_TREMOR) && !defined(USE_VORBIS)
+#define USE_VORBIS // make sure this one is defined together with USE_TREMOR!
+#endif
+
+// hack in some tricks to work around not having these fcns for Symbian
+// and we _really_ don't wanna link with any other windows LIBC library!
+#if defined(__GCC32__)
+
+	#define snprintf(buf,len,args...)	sprintf(buf,args)
+	#define vsnprintf(buf,len,format,valist)	vsprintf(buf,format,valist)
+
+	// taken from public domain http://www.opensource.apple.com/darwinsource/WWDC2004/gcc_legacy-939/gcc/floatlib.c
+	#define SIGNBIT		0x80000000
+	#define HIDDEN		(1 << 23)
+	#define EXCESSD		1022
+	#define EXPD(fp)	(((fp.l.upper) >> 20) & 0x7FF)
+	#define SIGND(fp)	((fp.l.upper) & SIGNBIT)
+	#define HIDDEND_LL	((long long)1 << 52)
+	#define MANTD_LL(fp)	((fp.ll & (HIDDEND_LL-1)) | HIDDEND_LL)
+	
+	union double_long {
+	    double d;
+	    struct {
+	      long upper;
+	      unsigned long lower;
+	    } l;
+	    long long ll;
+	};
+
+	/* convert double float to double int (dfdi) */
+	long long inline
+	scumm_fixdfdi (double a1) { // __fixdfdi (double a1)
+	    register union double_long dl1;
+	    register int exp;
+	    register long long l;
+	
+	    dl1.d = a1;
+	
+	    if (!dl1.l.upper && !dl1.l.lower)
+			return (0);
+	
+	    exp = EXPD (dl1) - EXCESSD - 64;
+	    l = MANTD_LL(dl1);
+	
+	    if (exp > 0) {
+		l = (long long)1<<63;
+		if (!SIGND(dl1))
+		    l--;
+		return l;
+	    }
+	
+	    /* shift down until exp = 0 or l = 0 */
+	    if (exp < 0 && exp > -64 && l)
+			l >>= -exp;
+	    else
+			return (0);
+	
+	    return (SIGND (dl1) ? -l : l);
+	}
+	
+	/* 	okay, okay: I admit it: I absolutely have _NO_ idea why __fixdfdi does not get linked in by gcc from libgcc.a
+		because I know it's in there: I checked with `ar x _fixdfdi.o libgcc.a` and the symbol is in there, so I'm lost
+		and had to fix it this way. I tried all gcc and ld options I could find: no hope :( If someone can enlighten me:
+		feel free to let me know at sumthinwicked@users.sf.net! Much obliged.
+		PS1. I think for __fixunsdfdi they have made a circumvention by having to add STATICLIBRARY EGCC.LIB		
+		PS2. http://gcc.gnu.org/ml/gcc-bugs/2004-01/msg01596.html might have found out the same problem there
+	*/
+
+#elif defined (__WINS__) // WINS
+
+	// let's just blatantly ignore this for now and just get it to work :P but does n't work from the debug function
+	int inline scumm_snprintf (char *str, unsigned long /*n*/, char const *fmt, ...) {
+		va_list args;
+		va_start(args, fmt);
+		vsprintf(str, fmt, args);
+		va_end(args);
+		return strlen(str);
+	}
+
+	int inline scumm_vsnprintf (char *str, unsigned long /*n*/, char const *fmt, va_list valist) {	
+		vsprintf(str, fmt, valist);
+		return strlen(str);
+	}
+
+	#define snprintf					scumm_snprintf
+	#define vsnprintf					scumm_vsnprintf
+#else // GCCE and the rest
+	#define snprintf(buf,len,args...)	sprintf(buf,args)
+	#define vsnprintf(buf,len,format,valist)	vsprintf(buf,format,valist)
+#endif
+
+// somehow nobody has this function...
+#define hypot(a, b)					sqrt((a)*(a) + (b)*(b))
+
+// Symbian bsearch implementation is flawed
+void inline *scumm_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) {
+	size_t i;
+
+	for (i=0; i < nmemb; i++)
+		if (compar(key, (void *)((size_t)base + size * i)) == 0)
+			return (void *)((size_t)base + size * i);
+	return NULL;
+}
+#define bsearch						scumm_bsearch
+
+// we cannot include SymbianOS.h everywhere, but this works too (functions code is in SymbianOS.cpp)
+namespace Symbian {
+extern void FatalError(const char *msg);
+extern char* GetExecutablePath();
+}