experimenting wih userspace and syscalls

1 files changed, 36 insertions, 6 deletions

diff --git a/userspace/add.c b/userspace/add.c
index eecb05a..8f1dc56 100644
--- a/userspace/add.c
+++ b/userspace/add.c
@@ -3,29 +3,59 @@
 #include "syscalls.c"
 #include "../fs/fs.h"
 
-
 int main(int argc, char **argv) 
 {
 
-    FILE *input;
-    input=fopen(1,"r");
-    char *buf=malloc(256);
+    sbrk(1024);
+    sbrk(1024);
+    sbrk(1024);
+    write(1,"dupa",4);
+    puts("started ADD");
 
+    while(1);
+//    FILE *input;
+//    input=fopen("input2.txt","r"); //stdin
+/*
     int sum=0;
     int i=0;
 
+    while(1);
+
+    char *buf=malloc(256);
+    //printf("(buf= 0x%08X)\n",buf);
+
+
+
+    while(1)
+    {
+        char *ret=gets(buf);
+	if(ret==NULL)
+	{
+	    printf("returned NULL. ABORTING");
+	    break;
+	}
+	printf("entered %s: ",buf);
+
+	//buf[strlen(buf)-1]=0; // remove \n
+	//process(buf);
+    }
+
+
+    
     while(1)
     {
 	printf("enter numer %i: ",i+1);
         fgets(buf,255,input);
+	printf("entered %s: ",buf);
+
 	if(buf[1]=='x')break;
+
 	i++;
 	sum+=atoi(buf);
-
     }
 
-    printf("sum = %i \n",sum);
     printf("avg = %i \n\n",sum/i);
+*/
 
     execve(15,0,0);
 }