brainfuck interpreter works!

1 files changed, 26 insertions, 5 deletions

diff --git a/userspace/piper.c b/userspace/piper.c
index 2272f96..73b9516 100644
--- a/userspace/piper.c
+++ b/userspace/piper.c
@@ -1,21 +1,42 @@
 #include <stdio.h>
 int main()
 {
-    int pid=_fork();
+    setvbuf(stdout,NULL,_IONBF,0);
+    /*
     FILE *f=fopen("~testpipe","rw");
 
-    setvbuf(f,NULL,_IONBF,0);
+    int pid=_fork();
 
     if(pid==0)
     {
 	char buf[2];
-	fread(f,buf,1,1);
+	fread(buf,1,1,f);
 	printf("[%c]\n",buf[0]);
+	while(1);
+    }
+
+    else
+    {
+	char buf[]="666";
+	fwrite(buf,1,1,f);
+	printf("written\n");
+	while(1);
     }
+    */
+    int f=_open("~testpipe","RW");
+    int pid=_fork();
+    if(pid==0)
+    {
+	char buf[2];
+	while(_read(f,buf,1))printf("%c",buf[0]);
+    }
+
     else
     {
-	char buf="666";
-	fwrite(f,buf,1,1);
+	char buf[]="666 the number of the beast";
+	_write(f,buf,27);
 	printf("written\n");
     }
+    
+
 }