From 6b350466c4902c5b137e0efaf1d189128a7f18f5 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:40 +0200 Subject: Imported Upstream version 1.1.1 --- util/scan/section.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 util/scan/section.c (limited to 'util/scan/section.c') diff --git a/util/scan/section.c b/util/scan/section.c new file mode 100644 index 0000000..8e49947 --- /dev/null +++ b/util/scan/section.c @@ -0,0 +1,25 @@ +#include "section.h" + +/* shamelessly stolen from dvbsnoop, but modified */ +u32 getBits (const u8 *buf, int startbit, int bitlen) +{ + const u8 *b; + u32 mask,tmp_long; + int bitHigh,i; + + b = &buf[startbit / 8]; + startbit %= 8; + + bitHigh = 8; + tmp_long = b[0]; + for (i = 0; i < ((bitlen-1) >> 3); i++) { + tmp_long <<= 8; + tmp_long |= b[i+1]; + bitHigh += 8; + } + + startbit = bitHigh - startbit - bitlen; + tmp_long = tmp_long >> startbit; + mask = (1ULL << bitlen) - 1; + return tmp_long & mask; +} -- cgit v1.2.3