Re: compilation error on GNU/Hurd

[Jose E. Marchesi]

> Yes, now that poke works on 32-bit we can support the Hurd too :)
>
> OK for master.

and maint/poke-1 (forgot again.)

> Thanks!
>
>
>> On GNU/Hurd I see a compilation error:
>>
>> ../../poke/pk-cmd-editor.c: In function 'pk_cmd_editor':
>> ../../poke/pk-cmd-editor.c:69:37: error: 'PATH_MAX' undeclared (first use in 
>> this function); did you mean 'INT8_MAX'?
>>    if (((des = path_search (tmpfile, PATH_MAX, NULL, "poke", true)) == -1)
>>                                      ^~~~~~~~
>>                                      INT8_MAX
>> ../../poke/pk-cmd-editor.c:69:37: note: each undeclared identifier is 
>> reported only once for each function it appears in
>> Makefile:2415: recipe for target 'poke-pk-cmd-editor.o' failed
>> make[2]: *** [poke-pk-cmd-editor.o] Error 1
>>
>> This proposed patch fixes it.
>>
>>>From 3985507aaa169aef297d79d6cf5b1eca732ced7c Mon Sep 17 00:00:00 2001
>> From: Bruno Haible <bruno@clisp.org>
>> Date: Sun, 7 Mar 2021 11:15:43 +0100
>> Subject: [PATCH] Fix compilation error on GNU/Hurd.
>>
>> * poke/pk-cmd-editor.c (PATH_MAX): Define fallback.
>> (pk_cmd_editor): Fix buffer overrun when PATH_MAX > 1024.
>> ---
>>  poke/pk-cmd-editor.c | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/poke/pk-cmd-editor.c b/poke/pk-cmd-editor.c
>> index e04baa0..91c85d0 100644
>> --- a/poke/pk-cmd-editor.c
>> +++ b/poke/pk-cmd-editor.c
>> @@ -30,12 +30,16 @@
>>  #include "pk-cmd.h"
>>  #include "pk-utils.h"
>>  
>> +#ifndef PATH_MAX /* GNU/Hurd */
>> +# define PATH_MAX (64 * 1024)
>> +#endif
>> +
>>  static int
>>  pk_cmd_editor (int argc, struct pk_cmd_arg argv[], uint64_t uflags)
>>  {
>>    const char *editor;
>>    char *cmdline;
>> -  char tmpfile[1024];
>> +  char tmpfile[PATH_MAX];
>>    int des;
>>    FILE *fp;