I am dipping my toe into the z/OS JSON parser (form C++). I am using
SYS1.SIEAHDRV.H(HWTJIC) as a guide. I make it through the hwtjinit() with a
zero return code but my next call, to hwtjpars(), gives me a return code 1025
(Specified JSON string address is less than or equal to zero).
I thought okay, I am getting bit by a high-order list terminator bit, so I AND
the address with 0x7fffffff and still no joy. Here's the code
char* sanitizedparm = (char*)((int)parm & 0x7fffffff); // Get rid of
any high-order x'80'
M::Verbose("Address of JSON text, %08X; Length %d, data '%s'", sanitizedparm,
parmLen, sanitizedparm);
hwtjpars(&return_code,
parser_instance,
sanitizedparm, /* JSON text string address(input) */
parmLen, /* JSON text string length (input) */
&diag_area);
That "M::Verbose" puts out a diagnostic message that is exactly as I would
expect:
Address of JSON text, 1B1500D9; Length 17, data '{"verbose": true}'
Just for a lark I tried passing a static string in the source code and get the
same error.
Anyone have any experience with this? Anyone have any ideas?
Charles
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