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Remove the extra cast to int in the CAVEATS example.

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We removed it from EXAMPLES a few releases ago.
This commit is contained in:
uwe 2019-01-15 01:11:03 +00:00
parent 893d5ca890
commit 2a102dd013
1 changed files with 6 additions and 6 deletions
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12
lib/libc/gen/ctype.3
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@ -1,4 +1,4 @@
.\" $NetBSD: ctype.3,v 1.25 2019/01/15 00:43:32 uwe Exp $
.\" $NetBSD: ctype.3,v 1.26 2019/01/15 01:11:03 uwe Exp $
.\"
.\" Copyright (c) 1991 Regents of the University of California.
.\" All rights reserved.
@ -161,7 +161,7 @@ main(int argc, char **argv)
setlocale(LC_ALL, "");
printf("%d %d\en", *argv[1], isprint(*argv[1]));
printf("%d %d\en", (int)(unsigned char)*argv[1],
isprint((int)(unsigned char)*argv[1]));
isprint((unsigned char)*argv[1]));
return 0;
}
.Ed
@ -170,19 +170,19 @@ When compiling this program, GCC reports a warning for the line that
passes
.Vt char .
At runtime, you may get nonsense answers for some inputs without the
cast -- if you're lucky and it doesn't crash or make demons come flying
cast \(em if you're lucky and it doesn't crash or make demons come flying
out of your nose:
.Bd -literal -offset indent
% gcc -Wall -o test test.c
test.c: In function 'main':
test.c:12:2: warning: array subscript has type 'char'
% LANG=C ./test "`printf '\e270'`"
% LANG=C ./test $(printf '\e270')
-72 5
184 0
% LC_CTYPE=C ./test "`printf '\e377'`"
% LC_CTYPE=C ./test $(printf '\e377')
-1 0
255 0
% LC_CTYPE=fr_FR.ISO8859-1 ./test "`printf '\e377'`"
% LC_CTYPE=fr_FR.ISO8859-1 ./test $(printf '\e377')
-1 0
255 2
.Ed