Mercurial > vim
diff src/fileio.c @ 12698:6d3d64be7945 v8.0.1227
patch 8.0.1227: undefined left shift in readfile()
commit https://github.com/vim/vim/commit/dc1c98129484e7879bc6dbf38e523beb730988b6
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Oct 27 22:15:24 2017 +0200
patch 8.0.1227: undefined left shift in readfile()
Problem: Undefined left shift in readfile(). (Brian 'geeknik' Carpenter)
Solution: Add cast to unsigned. (Dominique Pelle, closes https://github.com/vim/vim/issues/2253)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Fri, 27 Oct 2017 22:30:06 +0200 |
| parents | 0a9dacb8826a |
| children | 351cf7c67bbe |
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--- a/src/fileio.c +++ b/src/fileio.c @@ -1956,17 +1956,17 @@ retry: { if (fio_flags & FIO_ENDIAN_L) { - u8c = (*--p << 24); - u8c += (*--p << 16); - u8c += (*--p << 8); + u8c = (unsigned)*--p << 24; + u8c += (unsigned)*--p << 16; + u8c += (unsigned)*--p << 8; u8c += *--p; } else /* big endian */ { u8c = *--p; - u8c += (*--p << 8); - u8c += (*--p << 16); - u8c += (*--p << 24); + u8c += (unsigned)*--p << 8; + u8c += (unsigned)*--p << 16; + u8c += (unsigned)*--p << 24; } } else /* UTF-8 */