support for assert.h in GEOS, conio bugfixes

git-svn-id: svn://svn.cc65.org/cc65/trunk@1094 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/geos/common/Makefile

@@ -10,7 +10,7 @@
 %.o:	%.s
 	@$(AS) -o $@ $(AFLAGS) $<
 
-C_OBJS	= abort.o perror.o
+C_OBJS	= _afailed.o abort.o perror.o
 S_OBJS	= copydata.o memcpy.o memset.o rand.o
 
 all: $(C_OBJS) $(S_OBJS)

libsrc/geos/common/_afailed.c

@@ -0,0 +1,31 @@
+/*
+ * _afailed.c
+ *
+ * Maciej 'YTM/Elysium' Witkowiak 28.10.2001
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <geos.h>
+
+void _afailed (char* file, unsigned line)
+{
+
+    drawWindow.top = 0;
+    drawWindow.left = 0;
+    drawWindow.bot = 15;
+    drawWindow.right = 150;
+    dispBufferOn = ST_WR_FORE|ST_WR_BACK;
+    SetPattern(0);
+    Rectangle();
+    FrameRectangle(0xff);
+
+    PutString(CBOLDON "file: ", 10, 10);
+    PutString(file, 10, r11);
+    PutString(CBOLDON "  line: ", 10, r11);
+    PutDecimal(0, line, 10, r11);
+
+    DlgBoxOk(CBOLDON "ASSERTION FAILED", "PROGRAM TERMINATED" CPLAINTEXT);
+
+    exit (2);
+}