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* Move crlf conversion into buf_textautocrlf-fixesRussell Belfer2013-03-251-0/+77
| | | | | | | | | | | | | | This adds crlf/lf conversion functions into buf_text with more efficient implementations that bypass the high level buffer functions. They attempt to minimize the number of reallocations done and they directly write the buffer data as needed if they know that there is enough memory allocated to memcpy data. Tests are added for these new functions. The crlf.c code is updated to use the new functions. Removed the include of buf_text.h from filter.h and just include it more narrowly in the places that need it.
* buf: Is this the function you were looking for?Vicent Marti2013-01-121-1/+1
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* Match binary file check of core git in diffRussell Belfer2013-01-111-0/+5
| | | | | | | | | Core git just looks for NUL bytes in files when deciding about is-binary inside diff (although it uses a better algorithm in checkout, when deciding if CRLF conversion should be done). Libgit2 was using the better algorithm in both places, but that is causing some confusion. For now, this makes diff just look for NUL bytes to decide if a file is binary by content in diff.
* update copyrightsEdward Thomson2013-01-081-1/+1
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* buf test: make sure we always set the bom variableCarlos Martín Nieto2012-11-301-0/+1
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* Consolidate text buffer functionsRussell Belfer2012-11-281-0/+208
There are many scattered functions that look into the contents of buffers to do various text manipulations (such as escaping or unescaping data, calculating text stats, guessing if content is binary, etc). This groups all those functions together into a new file and converts the code to use that. This has two enhancements to existing functionality. The old text stats function is significantly rewritten and the BOM detection code was extended (although largely we can't deal with anything other than a UTF8 BOM).