From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 6 May 1998 07:28:14 +0000 (+0000)
Subject: handle mmap() failures
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/94c9ef1fc351c4b7884b87d9ae80bc13272441ac

handle mmap() failures
---

diff --git a/util.c b/util.c
index f1665e3e..357b8308 100644
--- a/util.c
+++ b/util.c
@@ -47,8 +47,12 @@ struct map_struct *map_file(int fd,OFF_T len)
   ret->p_len = 0;
 
 #ifdef HAVE_MMAP
-  if (len < MAX_MAP_SIZE)
-    ret->map = (char *)mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0);
+  if (len < MAX_MAP_SIZE) {
+	  ret->map = (char *)mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0);
+	  if (ret->map == (char *)-1) {
+		  ret->map = NULL;
+	  }
+  }
 #endif
   return ret;
 }