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Treat warnings as errors for IAR

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Fix IAR compiler warnings

Two warnings have been fixed:
1. code 'if( len <= 0xFFFFFFFF )' gave warning 'pointless integer comparison'.
   This was fixed by wraping the condition in '#if SIZE_MAX > 0xFFFFFFFF'.
2. code 'diff |= A[i] ^ B[i];' gave warning 'the order of volatile accesses is undefined in'.
   This was fixed by read the volatile data in temporary variables before the computation.

Explain IAR warning on volatile access

Consistent use of CMAKE_C_COMPILER_ID
This commit is contained in:
Azim Khan
2018-05-23 16:55:16 +01:00
committed by Mohammad Azim Khan
parent c4bd8ec5ed
commit 45b79cf12b
4 changed files with 29 additions and 10 deletions
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4
library/asn1write.c
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@ -83,7 +83,9 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
return( 4 );
}
#if SIZE_MAX > 0xFFFFFFFF
if( len <= 0xFFFFFFFF )
#endif
{
if( *p - start < 5 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
@ -96,7 +98,9 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
return( 5 );
}
#if SIZE_MAX > 0xFFFFFFFF
return( MBEDTLS_ERR_ASN1_INVALID_LENGTH );
#endif
}
int mbedtls_asn1_write_tag( unsigned char **p, unsigned char *start, unsigned char tag )