Attempt to fix https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5699

and https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5979 : 

Don't cast the buffer address to int on Win32: a 64-bit address won't
fit in an integer.

svn path=/trunk/; revision=44844

1 files changed, 2 insertions, 2 deletions

diff --git a/epan/emem.c b/epan/emem.c
index 9a16e29c6e..dd7d59c06a 100644
--- a/epan/emem.c
+++ b/epan/emem.c
@@ -703,8 +703,8 @@ emem_create_chunk_gp(size_t size)
 	buf_end = npc->buf + size;
 
 	/* Align our guard pages on page-sized boundaries */
-	prot1 = (char *) ((((int) npc->buf + pagesize - 1) / pagesize) * pagesize);
-	prot2 = (char *) ((((int) buf_end - (1 * pagesize)) / pagesize) * pagesize);
+	prot1 = (char *) ((((long long) npc->buf + pagesize - 1) / pagesize) * pagesize);
+	prot2 = (char *) ((((long long) buf_end - (1 * pagesize)) / pagesize) * pagesize);
 
 	ret = VirtualProtect(prot1, pagesize, PAGE_NOACCESS, &oldprot);
 	g_assert(ret != 0 || versinfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);