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Cast to unsigned char after or'ing in the meta bit, so the compiler

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doesn't complain when it's implicitly converted to plain char in an
assignment, and to make sure it's not negative when used as an array index.

ok miod@
This commit is contained in:
guenther 2024-08-16 23:09:25 +00:00
parent f06e49141d
commit 3ed9484fbb
1 changed files with 2 additions and 2 deletions
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4
gnu/usr.bin/texinfo/info/infomap.h
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@ -1,5 +1,5 @@
/* infomap.h -- description of a keymap in Info and related functions.
$Id: infomap.h,v 1.1.1.4 2006/07/17 16:03:43 espie Exp $
$Id: infomap.h,v 1.2 2024/08/16 23:09:25 guenther Exp $
Copyright (C) 1993, 2001, 2004 Free Software Foundation, Inc.
@ -40,7 +40,7 @@
#define Meta_p(c) (((c) > meta_character_threshold))
#define Control_p(c) ((c) < control_character_threshold)
#define Meta(c) ((c) | (meta_character_bit))
#define Meta(c) ((unsigned char)((c) | (meta_character_bit)))
#define UnMeta(c) ((c) & (~meta_character_bit))
#define Control(c) ((toupper (c)) & (~control_character_bit))
#define UnControl(c) (tolower ((c) | control_character_bit))