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Home » U++ Library support » U++ Core » [FIXED] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed

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Re: [BUG] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed [message #46591 is a reply to message #46583]

Sun, 05 June 2016 18:15

mirek is currently offline

mirek
Messages: 13980
Registered: November 2005

Ultimate Member

There are two reasons why this crashes:

a) default encoding is UTF8 and with UTF8 conversion in general does not guarantee that the ouput number of bytes is the same as input one. Now in this case, it is, but I do not think it is even healthy to support this conversion. You can make it work by adding some 8-bit charset, like

ToUpper(s, 4, CHARSET_WIN1252);

b) you are overwriting string literal, which is undefined behaviour. So

#include <Core/Core.h>

using namespace Upp;

CONSOLE_APP_MAIN
{
	char s[] = "abcd";
	ToUpper(s, 4, CHARSET_WIN1250);
}

Mirek

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[Message index]

		[FIXED] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed By: omari on Fri, 03 June 2016 13:21
		Re: [BUG] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed By: mirek on Sun, 05 June 2016 18:15
		Re: [BUG] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed By: omari on Mon, 06 June 2016 12:56
		Re: [BUG] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed By: mirek on Thu, 09 June 2016 14:27
		Re: [BUG] ToUpper, ToLower,and ToAscii (char*, int) causes AssertFailed By: omari on Fri, 10 June 2016 11:56

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