toilet

2 files changed, 2 insertions, 1 deletions

diff --git a/src/util/map.c b/src/util/map.c
index 35e1b49..cd2da42 100644
--- a/src/util/map.c
+++ b/src/util/map.c
@@ -25,8 +25,8 @@ struct map *open_map(const char *fname) {
   }
 
   struct map *res = calloc(1, sizeof(struct map));
-
   res->addr = addr;
+  res->end = addr + sb.st_size;
   res->sb = sb;
   res->fd = fd;
   return res;
diff --git a/src/util/map.h b/src/util/map.h
index 232720f..67beb9c 100644
--- a/src/util/map.h
+++ b/src/util/map.h
@@ -2,6 +2,7 @@
 
 struct map {
   char *addr;
+  char *end;
   struct stat sb;
   int fd;
 };