Adding to README, adding in new code for reading to a host in file

README.md

@@ -13,4 +13,5 @@ I would like to get better with C, and will be using C much more in the near fut
 1. Get  delete working for my /etc/hosts editor.
 2. Daemonize this program to be started up by systemd.
     - As part of daemonization, remember and remove added hosts on teardown.
-3. Log dns requests that look at the hosts file -- To see how many go where
+3. Log dns requests that look at the hosts file -- To see how many go where
+4. As part of daemonization -- only block hosts within a time limit.

main.c

@@ -5,6 +5,10 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 
+/**
+ * TODO - daemonize, add in reading of config file,
+ *        block sites within a certain time limit.
+ */
 const char *blockString = "0.0.0.0 ";
 
 FILE *fopenHostsFile(int mode)
@@ -59,6 +63,21 @@ void showHosts()
     }
 }
 
+void readToHost(char *host, FILE *hostsFile)
+{
+  char buf[256];
+  char *ptr;
+
+  while ((fgets(buf, 256, hostsFile)) != NULL)
+    {
+      ptr = strcasestr(host, buf);
+      if (ptr != NULL)
+        break;
+    }
+
+  // FILE should be read to the host itself.
+}
+
 /**
  * Entrypoint.
  */
@@ -95,4 +114,4 @@ int main(int argc, char **argv)
 
     if (hostsFile != NULL)
         fclose(hostsFile);
-}
+}