catching type errors for arguments fed to format strings

format-string-type-error.txt

[~/src/SillyMUD/src]$ make
gcc -g -DIMPL_SECURITY -DNEW_RENT -DLEVEL_LOSS -DNEWEXP -DGROUP_NAMES -Werror -DIMPL_SECURITY -DNEW_RENT -DLEVEL_LOSS -DNEWEXP -DGROUP_NAMES  -c -o act.info.o act.info.c
act.info.c:2785:58: error: format specifies type 'int' but the argument has type
      'long' [-Werror,-Wformat]
  sprintf(buf, "Total number of rooms in world: %d\n\r", room_count);
                                                ~~       ^~~~~~~~~~
                                                %ld
/usr/include/secure/_stdio.h:47:56: note: expanded from macro 'sprintf'
  __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
                                                       ^
act.info.c:2800:60: error: format specifies type 'int' but the argument has type
      'long' [-Werror,-Wformat]
  sprintf(buf, "Total number of monsters in game: %d\n\r", mob_count);
                                                  ~~       ^~~~~~~~~
                                                  %ld
/usr/include/secure/_stdio.h:47:56: note: expanded from macro 'sprintf'
  __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
                                                       ^
act.info.c:2803:59: error: format specifies type 'int' but the argument has type
      'long' [-Werror,-Wformat]
  sprintf(buf, "Total number of objects in game: %d\n\r", obj_count);
                                                 ~~       ^~~~~~~~~
                                                 %ld
/usr/include/secure/_stdio.h:47:56: note: expanded from macro 'sprintf'
  __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
                                                       ^
...
5 errors generated.
make: *** [act.info.o] Error 1