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digitalmars.D.bugs - [Issue 8643] New: [snn] _wfopen and other non-standard wide-character functions fail with non-ASCII symbols

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8643

           Summary: [snn] _wfopen and other non-standard wide-character
                    functions fail with non-ASCII symbols
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: druntime
        AssignedTo: nobody puremagic.com
        ReportedBy: verylonglogin.reg gmail.com
            Blocks: 7648


--- Comment #0 from Denis Shelomovskij <verylonglogin.reg gmail.com> 2012-09-12
00:15:52 MSD ---
---
import std.file: write;
import core.stdc.stdio: perror;

extern (C) nothrow int _wrename(in wchar* from, in wchar* to);

void main()
{
    // write("1.txt", "123");
    if(_wrename("1.txt"w.ptr, "2Ю.txt"w.ptr))
        perror("Error renaming file");
}
---

Output:
---
Error renaming file: Invalid argument
---
if:
* there is no 1.txt file
* there is 1.txt file
* there is no 1.txt file and `write` is uncommented

Output:
---
Error renaming file: File exists
---
if:
* there is 1.txt file and `write` is uncommented

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--- Comment #1 from Denis Shelomovskij <verylonglogin.reg gmail.com> 2012-09-12
00:27:31 MSD ---
These functions treats every UTF-16 codepoint as CP_ACP byte followed by zero
byte (if second byte is non-zero, "Invalid argument" is returned). E.g. this
will work:
---
import std.file: write;
import std.windows.charset: toMBSz;
import core.stdc.stdio: perror;
import std.exception: enforce;

extern (C) nothrow int _wrename(in wchar* from, in wchar* to);

void main()
{
    write("1.txt", "123");
    wchar[7] arr = "2#.txt\0"w;
    arr[1] = toMBSz("Ю")[0];
    enforce(_wrename("1.txt"w.ptr, arr.ptr) == 0);
}
---
(still don't understand "File exists" output of original example in
description)

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--- Comment #2 from github-bugzilla puremagic.com 2012-09-16 20:45:19 PDT ---
Commit pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/d7a60b3b8a5a4d0ebc7743ae1a1502133521b571
Disable non-ASCII characters test because of snn.lib Issue 8643

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Sönke Ludwig <sludwig outerproduct.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical


--- Comment #3 from Sönke Ludwig <sludwig outerproduct.org> 2013-10-17 14:18:59
PDT ---
Increasing severity as this is really basic functionality.

This was also reported as a DUB bug: 
https://github.com/rejectedsoftware/dub/issues/130

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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Denis Shelomovskij <verylonglogin.reg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |major


--- Comment #4 from Denis Shelomovskij <verylonglogin.reg gmail.com> 2013-10-18
09:59:12 MSD ---
(In reply to comment #3)

 Increasing severity as this is really basic functionality.


One can use `std.stream` which contains this functionality.

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Denis Shelomovskij <verylonglogin.reg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|nobody puremagic.com        |verylonglogin.reg gmail.com


--- Comment #5 from Denis Shelomovskij <verylonglogin.reg gmail.com> 2013-10-18
13:34:42 MSD ---
Assigned to myself. Reassign is somebody feels he can do it faster.

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Denis Shelomovskij <verylonglogin.reg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|verylonglogin.reg gmail.com |nobody puremagic.com


--- Comment #6 from Denis Shelomovskij <verylonglogin.reg gmail.com> 2013-10-19
14:02:11 MSD ---
(In reply to comment #5)

 Assigned to myself. Reassign is somebody feels he can do it faster.


Sorry, this is not the issue I'm solving. Reset assignee to default and opened
Issue 11298 which will allow Issue 7648 to be resolved without fixing this one.

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Oct 19 2013