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Make x509_string_cmp() iterative

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Manuel Pégourié-Gonnard 2014-11-12 18:35:31 +01:00
parent 8a5e3d4a40
commit f631bbc1da
1 changed files with 21 additions and 16 deletions
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37
library/x509_crt.c
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@ -1636,25 +1636,30 @@ static int x509_string_cmp( const x509_buf *a, const x509_buf *b )
*/
static int x509_name_cmp( const x509_name *a, const x509_name *b )
{
if( a == NULL && b == NULL )
return( 0 );
if( a == NULL || b == NULL )
return( -1 );
/* type */
if( a->oid.tag != b->oid.tag ||
a->oid.len != b->oid.len ||
memcmp( a->oid.p, b->oid.p, b->oid.len ) != 0 )
/* Avoid recursion, it might not be optimised by the compiler */
while( a != NULL || b != NULL )
{
return( -1 );
if( a == NULL || b == NULL )
return( -1 );
/* type */
if( a->oid.tag != b->oid.tag ||
a->oid.len != b->oid.len ||
memcmp( a->oid.p, b->oid.p, b->oid.len ) != 0 )
{
return( -1 );
}
/* value */
if( x509_string_cmp( &a->val, &b->val ) != 0 )
return( -1 );
a = a->next;
b = b->next;
}
/* value */
if( x509_string_cmp( &a->val, &b->val ) != 0 )
return( -1 );
return( x509_name_cmp( a->next, b->next ) );
/* a == NULL == b */
return( 0 );
}
/*