Re: guile 2.0.9 build on mingw

[ludo@gnu.org (Ludovic Courtès)]

Hi Mark!

Mark H Weaver <mhw@netris.org> skribis:

> ludo@gnu.org (Ludovic Courtès) writes:
>
>> Eli Zaretskii <eliz@gnu.org> skribis:
>>
>>> It's due to the CRLF thing.  These files are open in the "w" mode, but
>>> then read using the "rb" mode.  So the CR character is left after the
>>> newline is stripped, and botches the comparison.  The debug lines you
>>> added show this (note the \r at the end):
>>>
>>>      ;;; (line "\xe4\xb8\x80\xe4\xba\x8c\xe4\xb8\x89\r")
>>>      FAIL: ports.test: file: binary mode ignores port encoding
>>>      
>>>      ;;; (line2 "\xe4\xb8\x80\xe4\xba\x8c\xe4\xb8\x89\r")
>>>      FAIL: ports.test: file: binary mode ignores file coding declaration
>>
>> I think this patch solves the problem:
>>
>> diff --git a/libguile/rdelim.c b/libguile/rdelim.c
>> index 9d14967..9f16c69 100644
>> --- a/libguile/rdelim.c
>> +++ b/libguile/rdelim.c
>> @@ -154,6 +154,7 @@ SCM_DEFINE (scm_read_line, "%read-line", 0, 1, 0,
>>  	    {
>>  	    case EOF:
>>  	    case '\n':
>> +	    case '\r':
>>  	      delim = buf[index];
>>  	      break;
>>  
>>
>> Probably the extra case should be #ifdef __MINGW32__, to make sure it
>> has no effect on non-Windows users.  Thoughts?
>
> I think this is a bad idea for multiple reasons:

Well yes, agreed on all points.

I think now we just need to augments ports with CR/LF handling in 2.1.

[...]

> To my mind, this is a bug in those tests.  So how about the following
> patch instead?

[...]

> diff --git a/test-suite/tests/ports.test b/test-suite/tests/ports.test
> index 9b1c6c0..758f8f6 100644
> --- a/test-suite/tests/ports.test
> +++ b/test-suite/tests/ports.test
> @@ -238,7 +238,7 @@
>  (pass-if "file: binary mode ignores port encoding"
>    (with-fluids ((%default-port-encoding "UTF-8"))
>                 (let* ((filename (test-file))
> -                      (port (open-file filename "w"))
> +                      (port (open-file filename "wb"))
>                        (test-string "一二三")
>                        (binary-test-string
>                         (apply string
> @@ -257,7 +257,7 @@
>  (pass-if "file: binary mode ignores file coding declaration"
>    (with-fluids ((%default-port-encoding "UTF-8"))
>                 (let* ((filename (test-file))
> -                      (port (open-file filename "w"))
> +                      (port (open-file filename "wb"))
>                        (test-string "一二三")
>                        (binary-test-string
>                         (apply string

Yes, looks good.

The tests would actually make more sense if %default-port-encoding was
set to something different from UTF-8, because here we can’t tell if
it’s ignored.

Thanks,
Ludo’.