tree 827425c7e2d8921e7ff24625ee47a2cc4b94990a
parent eec840da626eadebb43eba82c145abae308f81fc
author Adam Langley <agl@google.com> 1571245766 -0700
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1571261103 +0000

Fix $OPENSSL_ia32cap handling.

The comment says that an "0x" prefix indicates a hex value. However we
always passed PRIu64 as the format specifier for |sscanf|, and |sscanf|
isn't documented to handle an 0x prefix expect for "i"-family format
specifiers. With |PRIu64|, |sscanf| reads any leading "0x" as just zero.

Instead, check for "0x" ourselves and use |PRIx64| if found to parse hex
values.

Change-Id: Id5ed7009d30902022e5ee640e8931bf1431dedc0
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/38264
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>