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Fix arm and aarch64 builds of libedit after r352275

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On arm and arm64, where chars are unsigned by default, buildworld dies
with:

--- terminal.o ---
/usr/src/contrib/libedit/terminal.c:569:41: error: comparison of
integers of different signs: 'wint_t' (aka 'int') and 'wchar_t' (aka
'unsigned int') [-Werror,-Wsign-compare]
                                     el->el_cursor.v][where & 0370] !=
                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
/usr/src/contrib/libedit/terminal.c:659:28: error: comparison of
integers of different signs: 'wint_t' (aka 'int') and 'wchar_t' (aka
'unsigned int') [-Werror,-Wsign-compare]
                                     [el->el_cursor.h] == MB_FILL_CHAR)
                                     ~~~~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~

Fix this by making MB_FILL_CHAR a wint_t, so no casting is needed.

Note that in https://reviews.freebsd.org/D21584 this was also proposed
by Yuichiro Naito <naito.yuichiro_gmail.com>.

Reviewed by:	bapt
Subscribers:	naito.yuichiro_gmail.com, ml_vishwin.info
MFC after:	3 weeks
X-MFC-With:	r352275
Differential Revision: https://reviews.freebsd.org/D21657
This commit is contained in:
Dimitry Andric 2019-09-14 21:49:42 +00:00
parent d020b3ebde
commit c0f37bf652
2 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
contrib/libedit/chartype.h
View file

@ -87,7 +87,7 @@ libedit_private size_t ct_enc_width(wchar_t);
/* The terminal is thought of in terms of X columns by Y lines. In the cases
* where a wide character takes up more than one column, the adjacent
* occupied column entries will contain this faux character. */
#define MB_FILL_CHAR ((wchar_t)-1)
#define MB_FILL_CHAR ((wint_t)-1)
/* Visual width of character c, taking into account ^? , \0177 and \U+nnnnn
* style visual expansions. */

2
contrib/libedit/terminal.c
View file

@ -1224,7 +1224,7 @@ terminal__putc(EditLine *el, wint_t c)
{
char buf[MB_LEN_MAX +1];
ssize_t i;
if (c == (wint_t)MB_FILL_CHAR)
if (c == MB_FILL_CHAR)
return 0;
if (c & EL_LITERAL)
return fputs(literal_get(el, c), el->el_outfile);