fixed ENV problem

2 files changed, 12 insertions, 2 deletions

diff --git a/userspace/clear.c b/userspace/clear.c
index ab0eb51..09913c3 100644
--- a/userspace/clear.c
+++ b/userspace/clear.c
@@ -2,7 +2,7 @@ int main()
 {
     for(int i=0;i<24;i++)
     {
-	puts();
+	puts("");
     }
 
     return 0;
diff --git a/userspace/foolshell.c b/userspace/foolshell.c
index 9002269..2a70940 100644
--- a/userspace/foolshell.c
+++ b/userspace/foolshell.c
@@ -105,7 +105,7 @@ int process(char *buf)
 
     if(!strcmp(command,"help"))
     {
-	puts("foolshell: supported built-in commands: 'help', 'echo [string]', 'malloc [bytes]', 'free [address]', 'getenv [var]', 'putenv [var] [val]'");
+	puts("foolshell: supported built-in commands: 'help', 'echo [string]', 'malloc [bytes]', 'free [address]', 'getenv [var]', 'putenv [var] [val]', 'env'");
     }
     else if(!strcmp(command,"echo"))
     {
@@ -133,6 +133,16 @@ int process(char *buf)
 	putenv(buf);
 	printf("(0x%08X) set: %s = %s \n",environ,token[1],getenv(token[1]));
     }
+    else if(!strcmp(command,"env"))
+    {
+	int i=0;
+	printf("env: 0x%08X\n",environ);
+	while(environ[i]!=NULL)
+	{
+	    printf("envvar %s (0x%08X)\n" ,environ[i],environ[i]);
+	    i++;
+	}
+    }
     else
     {
 	execve(token[0],token,0);