[pacman-dev] [PATCH] Fix compile error with clang-2.8

Allan McRae allan at archlinux.org
Thu Oct 7 09:03:09 EDT 2010

On 07/10/10 22:50, Dan McGee wrote:
> On Wed, Oct 6, 2010 at 8:40 PM, Allan McRae<allan at archlinux.org>  wrote:
>> Signed-off-by: Allan McRae<allan at archlinux.org>
>> ---
>> wint_t appears to be the same as size_t or unsigned long. It probably best if
>> someone checks that is the right format specifier on x86_64 too...
> man wchar.h:
>         The implementation shall support one or more  programming  environments
>         in which the width of wint_t is no greater than the width of type long.
> man printf(3):
>         l      (ell) A following integer conversion corresponds to a
> long int or unsigned long int argument, or a following n conversion
> corre‐
>                sponds to a pointer to a long int argument, or a
> following c conversion corresponds to a wint_t argument, or a
> following s  con‐
>                version corresponds to a pointer to wchar_t argument.
> So we should really be using '%lc', it sounds like clang is busted...
> What does printf("%ls", p) give you? This isn't actually right because
> we don't want to print the full string, just one character, but it
> would be interesting to see if they implemented half of the spec.

Same error with %ls.

util.c:264:13: error: conversion specifies type 'int *' but the argument has
       type 'wint_t' (aka 'unsigned int') [-Wformat]
                 printf("%ls", (wint_t)*p);
                         ~~^   ~~~~~~~~~~
1 error generated.

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