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sdiff: fix undefined behavior when parsing edit commands 

lint says: warning: argument to 'function from <ctype.h>' must be cast
to 'unsigned char', not to 'int' [342]
This commit is contained in:
rillig 2021-08-27 17:36:37 +00:00
parent ac83d301f8
commit 3b6b08b599
1 changed files with 2 additions and 2 deletions
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4
usr.bin/sdiff/edit.c
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@ -1,4 +1,4 @@
/* $NetBSD: edit.c,v 1.4 2011/09/01 07:18:51 plunky Exp $ */
/* $NetBSD: edit.c,v 1.5 2021/08/27 17:36:37 rillig Exp $ */
/* $OpenBSD: edit.c,v 1.14 2006/05/25 03:20:32 ray Exp $ */
/*
@ -76,7 +76,7 @@ eparse(const char *cmd, const char *left, const char *right)
char buf[BUFSIZ], *text;
/* Skip whitespace. */
while (isspace((int)(*cmd)))
while (isspace((unsigned char)(*cmd)))
++cmd;
text = NULL;