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- use strtonum(3) instead of atoi(3)

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- while here switch main() to return instead of exit(3), makes stack protector happy.

OK tb@
This commit is contained in:
gsoares 2015-12-25 23:41:43 +00:00
parent b99221d024
commit d73a3bc6bc
1 changed files with 6 additions and 5 deletions
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11
games/banner/banner.c
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@ -1,4 +1,4 @@
/* $OpenBSD: banner.c,v 1.18 2015/10/14 08:12:12 doug Exp $ */
/* $OpenBSD: banner.c,v 1.19 2015/12/25 23:41:43 gsoares Exp $ */
/* $NetBSD: banner.c,v 1.4 1995/04/22 11:55:15 cgd Exp $ */
/*
@ -1016,6 +1016,7 @@ int
main(int argc, char *argv[])
{
int ch;
const char *errstr;
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
@ -1029,9 +1030,9 @@ main(int argc, char *argv[])
trace = 1;
break;
case 'w':
width = atoi(optarg);
if (width <= 0 || width > DWIDTH)
errx(1, "illegal argument for -w option");
width = strtonum(optarg, 1, DWIDTH, &errstr);
if (errstr)
errx(1, "width is %s: %s", errstr, optarg);
break;
case '?': case 'h':
default:
@ -1149,5 +1150,5 @@ main(int argc, char *argv[])
}
}
exit(0);
return 0;
}