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Code

Cast ctype functions' argument to unsigned char.

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ok guenther@
This commit is contained in:
mmcc 2015-10-24 18:29:15 +00:00
parent 5eb74ca34f
commit 8b4d100e4c
1 changed files with 5 additions and 5 deletions
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10
games/pig/pig.c
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@ -1,4 +1,4 @@
/* $OpenBSD: pig.c,v 1.12 2015/10/14 08:12:12 doug Exp $ */
/* $OpenBSD: pig.c,v 1.13 2015/10/24 18:29:15 mmcc Exp $ */
/* $NetBSD: pig.c,v 1.2 1995/03/23 08:41:40 cgd Exp $ */
/*-
@ -84,9 +84,9 @@ pigout(char *buf, int len)
int olen, allupper, firstupper;
/* See if the word is all upper case */
allupper = firstupper = isupper(buf[0]);
allupper = firstupper = isupper((unsigned char)buf[0]);
for (i = 1; i < len && allupper; i++)
allupper = allupper && isupper(buf[i]);
allupper = allupper && isupper((unsigned char)buf[i]);
/*
* If the word starts with a vowel, append "way". Don't treat 'y'
@ -103,7 +103,7 @@ pigout(char *buf, int len)
* isn't treated as a vowel.
*/
if (!allupper)
buf[0] = tolower(buf[0]);
buf[0] = tolower((unsigned char)buf[0]);
for (start = 0, olen = len;
!strchr("aeiouyAEIOUY", buf[start]) && start < olen;) {
ch = buf[len++] = buf[start++];
@ -112,7 +112,7 @@ pigout(char *buf, int len)
buf[len++] = buf[start++];
}
if (firstupper)
buf[start] = toupper(buf[start]);
buf[start] = toupper((unsigned char)buf[start]);
(void)printf("%.*s%s", olen, buf + start, allupper ? "AY" : "ay");
}