Re: [PDFdev] algorithm (C++) to convert hex encoded string to wch ar

[Steve Bagley]

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On 8 Jan 2004, at 20:24, Steve Bagley wrote:

 ch = (strchr(digits, toupper(*p)) - digits); // Don't need to call 
strchr twice -- digits points to 0 already
 ch = ch << 4 | (strchr(digits, toupper(*p) - digits);
 ch = ch << 4 | (strchr(digits, toupper(*p) - digits);
 ch = ch << 4 | (strchr(digits, toupper(*p) - digits);

This should of course be *p++ not *p.

you'd also want to test to check you don't overflow the string buffer 
in production code

Steven

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