On Sat, 8 Feb 2020 16:31:56 -0500, Phil Smith III wrote:
>
>>How does it handle characters absent from IBM-037?
>
>I expect it will throw an error. This is, as you (Gil) know, one of the
>problems with OP’s query: you can’t stuff thousands of pounds of potatoes into
>a 256-pound sack. (OK, characters, not potatoes.) ...
>
The Command Ref. says:
If the input contains a character that is not valid in the destination code
set, behavior
depends on the system's iconv() function. See z/OS XL C/C++ Runtime Library
Reference
for more information about the character that is used for converting
incorrect characters.
Which says:
If iconv() encounters a character in the input buffer that is valid, but
for which
a conversion is not defined in the conversion descriptor, cd, then iconv()
performs
a nonidentical conversion on this character. The conversion is
implementation-defined.
But no indication that it throws an error. Of course the iconv utility could
check
the output of iconv() and report its own error.
"implementation-defined"? This is the document that's supposed to provide that
definition. I'll submit an RCF. And a minor one. "nonidentical" is invented
nonsense.
the correct term is "injective:"
https://en.wikipedia.org/wiki/Injective_function
> ...
>>I wonder what was the motivation to require preallocated data set
>>names rather than the more flexible alternative of DDNAMEs?
>
>I believe it’s using ICONV on the USS side under the covers, which takes a
>data set name.
>
Appendix K of the Command Ref. does not list iconv as among the
utilities that accept data set names. Of course, IBM is allowed to use
non-GUPI interfaces internally.
-- gil
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