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* fix wcwidth wrongly returning 0 for most of planes 4 and upRich Felker2020-01-011-1/+1
| | | | | | commit 1b0ce9af6d2aa7b92edaf3e9c631cb635bae22bd introduced this bug back in 2012 and it was never noticed, presumably since the affected planes are essentially unused in Unicode.
* make some arrays constrofl0r2013-02-021-2/+2
| | | | this way they'll go into .rodata, decreasing memory pressure.
* fix argument type error on wcwidth functionRich Felker2012-08-021-2/+2
| | | | | | | since the correct declaration was not visible, and since the representation of the types wchar_t and wint_t always match, a compiler would have to go out of its way to make this bug manifest, but better to fix it anyway.
* new wcwidth implementation (fast table-based)Rich Felker2012-04-241-179/+22
| | | | | | | | | | | | | | | i tried to go with improving the old binary-search-based algorithm, but between growth in the number of ranges, bad performance, and lack of confidence in the binary search code's stability under changes in the table, i decided it was worth the extra 1.8k to have something clean and maintainable. also note that, like the alpha and punct tables, there's definitely room to optimize the nonspacing/wide tables by overlapping subtables. this is not a high priority, but i've begun looking into how to do it, and i suspect the table sizes can be roughly halved. if that turns out to be true, the new, fast, table-based implementation will be roughly the same size as if i had just extended the old binary search one.
* more header fixes, minor warning fixRich Felker2011-02-141-0/+1
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+185