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authorcmaynard <cmaynard@f5534014-38df-0310-8fa8-9805f1628bb7>2011-01-14 19:02:38 +0000
committercmaynard <cmaynard@f5534014-38df-0310-8fa8-9805f1628bb7>2011-01-14 19:02:38 +0000
commitf14a62b620a80957910d57f8c02e22df61189f62 (patch)
tree216776fb60a77a33b43045cf3639b9ce6c2242a4 /epan/dissectors/packet-mpeg-pes.c
parent18355cb1bd45c07c3bb8db529960e1a741a57571 (diff)
Add tvb_get_[n|le]toh[40|48|56]() accessors. Addresses bug 5082.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@35538 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'epan/dissectors/packet-mpeg-pes.c')
-rw-r--r--epan/dissectors/packet-mpeg-pes.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/epan/dissectors/packet-mpeg-pes.c b/epan/dissectors/packet-mpeg-pes.c
index 710634dd58..578c12e24f 100644
--- a/epan/dissectors/packet-mpeg-pes.c
+++ b/epan/dissectors/packet-mpeg-pes.c
@@ -601,21 +601,9 @@ static const value_string mpeg_pes_TrickModeFrequencyTruncation_vals[] = {
{ 0, NULL }
};
-static guint64 tvb_get_ntoh40(tvbuff_t *tvb, unsigned offset)
-{
- return (guint64)tvb_get_guint8(tvb, offset) << 32
- | tvb_get_ntohl(tvb, offset + 1);
-}
-
-static guint64 tvb_get_ntoh48(tvbuff_t *tvb, unsigned offset)
-{
- return (guint64)tvb_get_ntohs(tvb, offset) << 32
- | tvb_get_ntohl(tvb, offset + 2);
-}
-
#define TSHZ 90000
-static guint64 decode_time_stamp(tvbuff_t *tvb, unsigned offset, nstime_t *nst)
+static guint64 decode_time_stamp(tvbuff_t *tvb, gint offset, nstime_t *nst)
{
guint64 bytes = tvb_get_ntoh40(tvb, offset);
guint64 ts =
@@ -630,7 +618,7 @@ static guint64 decode_time_stamp(tvbuff_t *tvb, unsigned offset, nstime_t *nst)
#define SCRHZ 27000000
-static guint64 decode_clock_reference(tvbuff_t *tvb, unsigned offset,
+static guint64 decode_clock_reference(tvbuff_t *tvb, gint offset,
nstime_t *nst)
{
guint64 bytes = tvb_get_ntoh48(tvb, offset);
@@ -654,7 +642,7 @@ dissect_mpeg_pes_header_data(tvbuff_t *tvb, packet_info *pinfo,
0, -1, FALSE);
proto_tree *tree = proto_item_add_subtree(item, ett_mpeg_pes_header_data);
- unsigned offset = 0;
+ gint offset = 0;
if (flags & PTS_FLAG) {
nstime_t nst;
decode_time_stamp(tvb, offset, &nst);
@@ -798,8 +786,8 @@ dissect_mpeg_pes_header_data(tvbuff_t *tvb, packet_info *pinfo,
}
}
-static unsigned
-dissect_mpeg_pes_pack_header(tvbuff_t *tvb, unsigned offset,
+static gint
+dissect_mpeg_pes_pack_header(tvbuff_t *tvb, gint offset,
packet_info *pinfo, proto_tree *root)
{
unsigned program_mux_rate, stuffing_length;
@@ -846,7 +834,7 @@ dissect_mpeg_pes(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
int prefix;
int stream;
asn1_ctx_t asn1_ctx;
- unsigned offset = 0;
+ gint offset = 0;
if (!tvb_bytes_exist(tvb, 0, 3))
return FALSE; /* not enough bytes for a PES prefix */
@@ -1224,7 +1212,7 @@ proto_register_mpeg_pes(void)
"BIT_STRING_SIZE_16", HFILL }},
/*--- End of included file: packet-mpeg-pes-hfarr.c ---*/
-#line 582 "packet-mpeg-pes-template.c"
+#line 570 "packet-mpeg-pes-template.c"
{ &hf_mpeg_pes_pack_header,
{ "Pack header", "mpeg-pes.pack",
FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }},
@@ -1342,7 +1330,7 @@ proto_register_mpeg_pes(void)
&ett_mpeg_pes_Picture,
/*--- End of included file: packet-mpeg-pes-ettarr.c ---*/
-#line 689 "packet-mpeg-pes-template.c"
+#line 677 "packet-mpeg-pes-template.c"
&ett_mpeg_pes_pack_header,
&ett_mpeg_pes_header_data,
&ett_mpeg_pes_trick_mode