From: Robert Luberda Date: Tue, 8 Mar 2011 21:12:23 +0100 Subject: 0023 Exclusive options Make options -x and -b mutually exclusive --- ispell.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/ispell.c b/ispell.c index d130a0e..cd5802a 100644 --- a/ispell.c +++ b/ispell.c @@ -279,6 +279,7 @@ int main (argc, argv) static char outbuf[BUFSIZ]; int argno; int arglen; + int bflag = 0; Cmd = *argv; @@ -728,12 +729,13 @@ int main (argc, argv) nodictflag++; break; case 'b': - if (arglen > 2) + if (arglen > 2 || xflag == 1) usage (); xflag = 0; /* Keep a backup file */ + bflag = 1; break; case 'x': - if (arglen > 2) + if (arglen > 2 || bflag == 1) usage (); xflag = 1; /* Don't keep a backup file */ break; --