X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fsega.c;h=27c74b2d6a135d3ab7a6bb9fe4b8bf501c59b542;hb=62f639bbb2ed0d2d1a4340ab9a7d87f537fc4eda;hp=a460ff52ef3893d83bedfbcf3b42016ba12f09c2;hpb=6706a67fb8176362055d99c4b0b34294d53a852c;p=16.git

diff --git a/src/sega.c b/src/sega.c
index a460ff52..27c74b2d 100644
--- a/src/sega.c
+++ b/src/sega.c
@@ -1,36 +1,55 @@
-#include <stdio.h>
-#include <dos.h>
-#include <malloc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <malloc.h>
+
+struct list {
+    struct list __based(__self) *next;
+    int         value;
+};
+
+void main(int argc, char *argv[])
+  {
+    int         i;
+    __segment   segu;
+	void __based(__self) *pee;
+    struct list __based(segu) *head;
+    struct list __based(segu) *p;
+
+    /* allocate based heap */
+    segu = _bheapseg( 65536 );
+    if( segu == _NULLSEG ) {
+      printf( "Unable to allocate based heap\n" );
+      exit( 1 );
+    }
+
+    /* create a linked list in the based heap */
+    head = 0;
+    for( i = 1; i < 4096; i++ ) {
+      p = _bmalloc( segu, sizeof( struct list ) );
+      if( p == _NULLOFF ) {
+        printf( "_bmalloc failed\n" );
+        break;
+      }
+      p->next = head;
+      p->value = i;
+      head = p;
+    }
+
+    /* traverse the linked list, printing out values */
+    for( p = head; p != 0; p = p->next ) {
+		if(p==head || p->next==0 || p==pee){
+			printf("Segu = %04X", p); printf( "	Value = %d\n", p->value );
+		}
+    }
 
-typedef struct {
-	struct a __based( __self ) *next;
-	int                         number;
-}a_t;
-
-void PrintLastTwo( a_t far *list );
-
-void
-main(int argc, char *argv[])
-{
-	a_t far *list;
-	PrintLastTwo(list);
-}
-
-     void PrintLastTwo( a_t far *list )
-     {
-       __segment                seg;
-       a_t __based( seg ) *aptr;
-
-       seg  = FP_SEG( list );
-       aptr = FP_OFF( list );
-       for( ; aptr != _NULLOFF; aptr = aptr->next ) {
-         if( aptr->next == _NULLOFF ) {
-           printf( "Last item is %d\n",
-                   aptr->number );
-         } else if( aptr->next->next == _NULLOFF ) {
-           printf( "Second last item is %d\n",
-                   aptr->number );
-         }
-       }
-     }
-     
\ No newline at end of file
+	printf("program=%FP\n", *argv[0]);
+	printf("seg=%04X\n", segu);
+
+    /* free all the elements of the linked list */
+    for( ; p = head; ) {
+      head = p->next;
+      _bfree( segu, p );
+    }
+    /* free the based heap */
+    _bfreeseg( segu );
+}