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Improve and fix documentation for error code combination

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Improve documentation by:

- Fixing off by one errors in binary representations of error codes.
- Clarifying combinations of zero.
- Linking references to variables/macros via doxygen.

Signed-off-by: Chris Jones <christopher.jones@arm.com>
This commit is contained in:
Chris Jones 2021-04-12 15:44:47 +01:00
parent b7d02e0f15
commit abded0ed39
2 changed files with 9 additions and 5 deletions
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4
tests/src/helpers.c
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@ -292,7 +292,7 @@ void mbedtls_test_err_add_check( int high, int low,
* examples given in comments have been made positive for ease of
* understanding. The structure of an error code is such:
*
* shhhhhhhllllllll
* shhhhhhhhlllllll
*
* s = sign bit.
* h = high level error code (includes high and module error codes).
@ -308,7 +308,7 @@ void mbedtls_test_err_add_check( int high, int low,
mbedtls_test_fail( "'high' error code is greater than 15 bits",
line, file );
}
else if ( ( high & 0x7F ) != 0 ) // high & 0000000011111111
else if ( ( high & 0x7F ) != 0 ) // high & 0000000001111111
{
mbedtls_test_fail( "'high' contains a low-level error code",
line, file );