Merge pull request #406 from pi-hole/tweak/minor_optimizations

Minor code optimizations

dnsmasq_interface.c

@@ -794,7 +794,7 @@ void print_flags(unsigned int flags)
  unsigned int i;
  char *flagstr = calloc(256,sizeof(char));
  for(i = 0; i < sizeof(flags)*8; i++)
- if(flags & (1 << i))
+ if(flags & (1u << i))
  strcat(flagstr, flagnames[i]);
  logg(" Flags: %s", flagstr);
  free(flagstr);

routines.h

@@ -17,7 +17,7 @@ char * getUserName(void);
 void removepid(void);
 
 void open_FTL_log(bool test);
-void logg(const char* str, ...);
+void logg(const char* format, ...);
 void logg_struct_resize(const char* str, int to, int step);
 void log_counter_info(void);
 void format_memory_size(char *prefix, unsigned long int bytes, double *formated);