From caff2f7cd4da9f46118f955b3167978c050338f8 Mon Sep 17 00:00:00 2001 From: Guy Harris Date: Sun, 26 Apr 2009 22:24:48 +0000 Subject: Cast both parts of a FILETIME to guint32, as I think DWORD is signed. svn path=/trunk/; revision=28166 --- pcapio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'pcapio.c') diff --git a/pcapio.c b/pcapio.c index b8ff11a36b..b11dad00ca 100644 --- a/pcapio.c +++ b/pcapio.c @@ -426,9 +426,13 @@ libpcap_write_interface_statistics_block(FILE *fp, /* * Current time, represented as 100-nanosecond intervals since * January 1, 1601, 00:00:00 UTC. + * + * I think DWORD might be signed, so cast both parts of "now" + * to guint32 so that the sign bit doesn't get treated specially. */ GetSystemTimeAsFileTime(&now); - timestamp = ((guint64)now.dwHighDateTime) << 32 + now.dwLowDateTime; + timestamp = ((guint64)(guint32)now.dwHighDateTime) << 32 + + (guint32)now.dwLowDateTime; /* * Convert to same thing but as 1-microsecond, i.e. 1000-nanosecond, -- cgit v1.2.3