35 lines
1.5 KiB
C
35 lines
1.5 KiB
C
/****************************************************************
|
|
* *
|
|
* Copyright 2001, 2011 Fidelity Information Services, Inc *
|
|
* *
|
|
* This source code contains the intellectual property *
|
|
* of its copyright holder(s), and is made available *
|
|
* under a license. If you do not know the terms of *
|
|
* the license, please stop and do not read further. *
|
|
* *
|
|
****************************************************************/
|
|
|
|
#ifndef DO_XFORM_INCLUDED
|
|
#define DO_XFORM_INCLUDED
|
|
|
|
#define DO_XFORM_RETURN_IF_NULL_STRING(INPUT, OUTPUT, LENGTH) \
|
|
{ \
|
|
if (!INPUT->len) \
|
|
{ /* If input string is the null subscript, we want the output (of the collation transformation function) \
|
|
* to be a null subscript as well. This is because the null subscript has special meaning as far as \
|
|
* GT.M subscript collation is concerned. In case the collation routine decides to map it to a non-null \
|
|
* subscript the user might start seeing undesirable collation orders. To be safe and avoid such \
|
|
* issues, the null subscript is handled specially by mapping it to a null subscript internally by GT.M \
|
|
* (without passing this to the collation routine) and returning right away. \
|
|
*/ \
|
|
OUTPUT->len = 0; \
|
|
*LENGTH = 0; \
|
|
} \
|
|
}
|
|
|
|
void do_xform(collseq *csp, int fc_type, mstr *input, mstr *output, int *length);
|
|
/*
|
|
* fc_type would be either XFORM (0) or XBACK (1)
|
|
*/
|
|
#endif /* DO_XFORM_INCLUDED */
|