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Code

Cast ctype functions' arguments to unsigned char.

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ok guenther@
This commit is contained in:
mmcc 2015-10-24 17:13:27 +00:00
parent 69671cdbbd
commit 057b7905c4
1 changed files with 3 additions and 3 deletions
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6
games/arithmetic/arithmetic.c
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@ -1,4 +1,4 @@
/* $OpenBSD: arithmetic.c,v 1.20 2015/10/10 22:32:55 doug Exp $ */
/* $OpenBSD: arithmetic.c,v 1.21 2015/10/24 17:13:27 mmcc Exp $ */
/*
* Copyright (c) 1989, 1993
@ -222,8 +222,8 @@ retry:
(void)printf("\n");
return(EOF);
}
for (p = line; isspace(*p); ++p);
if (!isdigit(*p)) {
for (p = line; isspace((unsigned char)*p); ++p);
if (!isdigit((unsigned char)*p)) {
(void)printf("Please type a number.\n");
continue;
}