[Cfp-interest 1497] Re: AI item to submit proposal about why no wide string strfrom functions

[Rajan Bhakta]

Hi Mike,

I think the point of the example was explicitly to say why we don't have 
wide strfromd functions, so it really makes sense to keep strfromd there.

Regards,

Rajan Bhakta
z/OS XL C/C++ Compiler Technical Architect
ISO C Standards Representative for Canada, PL22.11 Chair (USA)
C Compiler Development
Contact: rbhakta at us.ibm.com, Rajan Bhakta/Houston/IBM



From:   "Mike Cowlishaw" <mfc at speleotrove.com>
To:     "'CFP'" <cfp-interest at ucbtest.org>
Date:   02/19/2020 11:49 AM
Subject:        [EXTERNAL] [Cfp-interest 1496] Re: AI item to submit 
proposal about why no   wide string strfrom functions
Sent by:        cfp-interest-bounces at oakapple.net



Hmm, given the uncertainty about 
int nc = strfromd(s, n, “%g”, d);
... perhaps just change that line to use snprintf, which has 'well-known' 
behaviour?
Mike
 

From: cfp-interest-bounces at oakapple.net [
mailto:cfp-interest-bounces at oakapple.net] On Behalf Of Jim Thomas
Sent: 05 February 2020 20:11
To: Damian McGuckin
Cc: CFP
Subject: [Cfp-interest 1468] Re: AI item to submit proposal about why no 
wide string strfrom functions

Here’s an update for the code segment: 

#include <stdlib.h>
const size_t n = 20;
double d;
…
// convert d to single-byte character string s
char s[n];
int nc = strfromd(s, n, “%g”, d);
// convert s (regarded as a multi-byte character 
// string) to wide string ws
wchar_t ws[n];
(void)mbstowcs(ws, s, n);

On Feb 5, 2020, at 9:55 AM, Jim Thomas <jaswthomas at sbcglobal.net> wrote:

Probably so. the other code examples in the C standard include all the 
declarations. Update to follow.

- Jim

On Feb 4, 2020, at 4:04 PM, Damian McGuckin <damianm at esi.com.au> wrote:

On Tue, 4 Feb 2020, Jim Thomas wrote:

Action item:
        Jim: Get a WG14 document number and submit
    C2x_proposal_-_why_no_wide_string_strfrom_functions-
    20191230.pdf.
The following was submitted to WG14:
http://wiki.edg.com/pub/CFP/WebHome/n2475.pdf

Do you need a declaration for the wide string 'ws' in that code at the 
end?

Regards - Damian

Pacific Engineering Systems International, 277-279 Broadway, Glebe NSW 
2037
Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted 
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Views & opinions here are mine and not those of any past or present 
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