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Subject: edid-decode: show Serial Number also in hex
Author: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Date: Thu Nov 2 11:49:34 2023 +0100
In decimal only it is hard to detect that 16843009
is actually a typical dummy serial number value. Showing this
in hex (0x01010101) suddenly makes it clear that this
S/N is not reliable.
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
parse-base-block.cpp | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/parse-base-block.cpp b/parse-base-block.cpp
index c39e672027ce..9395bb0ff423 100644
--- a/parse-base-block.cpp
+++ b/parse-base-block.cpp
@@ -1386,12 +1386,13 @@ void edid_state::parse_base_block(const unsigned char
*x)
manufacturer_name(x + 0x08),
(unsigned short)(x[0x0a] + (x[0x0b] << 8)));
if (base.has_serial_number) {
+ unsigned sn = x[0x0c] + (x[0x0d] << 8) +
+ (x[0x0e] << 16) + (x[0x0f] << 24);
+
if (hide_serial_numbers)
printf(" Serial Number: ...\n");
else
- printf(" Serial Number: %u\n",
- (unsigned)(x[0x0c] + (x[0x0d] << 8) +
- (x[0x0e] << 16) + (x[0x0f] << 24)));
+ printf(" Serial Number: %u (0x%08x)\n", sn, sn);
}
time(&the_time);
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