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ITAGAKI Takahiro wrote:
> The attached patch clears up the usage of strxfrm() on Windows. If the
> server encoding is UTF-8 and the locale is not C, we should use wcsxfrm()
> instead of strxfrm() because UTF-8 locale are not supported on Windows.
> We've already have a special version of strcoll() for Windows, but the
> usage of strxfrm() was still broken.
> When we are caught up in the bug, we see the next error message.
> | ERROR:  invalid memory alloc request size 2147483648
> If the server is wrong configured between the server encoding and the
> locale, strxfrm() could be failed and return values like INT_MAX or
> (size_t)-1. We've passed the result+1 straight to palloc(), so the server
> tried to allocale more than 1GB of memory and gave up.
> Regards,
> ---
> ITAGAKI Takahiro
> NTT Open Source Software Center

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