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panic with "bogus size" if ncols or nrows is <= (not just <) 0

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cgd 1996-11-16 23:10:06 +00:00
parent f48eac49ba
commit 2e5bc1461a
1 changed files with 4 additions and 3 deletions
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7
sys/arch/alpha/wscons/wscons_emul.c
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@ -1,4 +1,4 @@
/* $NetBSD: wscons_emul.c,v 1.5 1996/11/13 21:13:41 cgd Exp $ */ /* $NetBSD: wscons_emul.c,v 1.6 1996/11/16 23:10:06 cgd Exp $ */
/* /*
* Copyright (c) 1995, 1996 Carnegie-Mellon University. * Copyright (c) 1995, 1996 Carnegie-Mellon University.
@ -55,8 +55,9 @@ wscons_emul_attach(we, wo)
if (wo->wo_ef == NULL) if (wo->wo_ef == NULL)
panic("wscons_emul_attach: bogus emul functions"); panic("wscons_emul_attach: bogus emul functions");
#endif #endif
if (wo->wo_nrows < 0 || wo->wo_ncols < 0) if (wo->wo_nrows <= 0 || wo->wo_ncols <= 0)
panic("wscons_emul_attach: bogus size"); panic("wscons_emul_attach: bogus size (%d/%d)",
wo->wo_nrows, wo->wo_ncols);
if (wo->wo_crow < 0 || wo->wo_ccol < 0 || if (wo->wo_crow < 0 || wo->wo_ccol < 0 ||
wo->wo_crow >= wo->wo_nrows || wo->wo_ccol >= wo->wo_ncols) wo->wo_crow >= wo->wo_nrows || wo->wo_ccol >= wo->wo_ncols)
panic("wscons_emul_attach: bogus location (n: %d/%d, c: %d/%d", panic("wscons_emul_attach: bogus location (n: %d/%d, c: %d/%d",