Revert "Handle LVM and RAID"

This reverts commit 9cbb3b91f1.

sysdeps/linux/glibtop_private.c

@@ -57,20 +57,21 @@ skip_token (const char *p)
 }
 
 
-void
-get_from_pipe (char *buffer, const char *cmd)
+int
+check_alphanumeric_word (const char *p)
 {
-	FILE* fp;
-	long psize;
-
-	fp = popen (cmd, "r");
-
-	fseek (fp, 0, SEEK_END);
-	psize = ftell (fp);
-	fseek (fp, 0, SEEK_SET);
-	fread(buffer,1,psize,fp);
-
-	pclose (fp);
+	int test = 0;
+	p = next_token(p);
+	while (*p && !g_ascii_isspace(*p)) {
+		if(g_ascii_isalpha(*p)){
+			test = 0;
+		}else if(g_ascii_isdigit(*p)){
+			test = 1;
+		}
+		p++;
+	};
+	p = next_token(p);
+	return test;
 }