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Add diagnostic measures to check for missing font.

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This commit is contained in:
ad 1999-05-15 12:56:46 +00:00
parent f4fedb6139
commit 0d472fafcc
1 changed files with 13 additions and 4 deletions
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17
sys/dev/rasops/rasops.c
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@ -1,4 +1,4 @@
/* $NetBSD: rasops.c,v 1.7 1999/05/15 12:54:53 ad Exp $ */
/* $NetBSD: rasops.c,v 1.8 1999/05/15 12:56:46 ad Exp $ */
/*
* Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rasops.c,v 1.7 1999/05/15 12:54:53 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: rasops.c,v 1.8 1999/05/15 12:56:46 ad Exp $");
#include "rasops_glue.h"
@ -116,11 +116,15 @@ rasops_init(ri, wantrows, wantcols, clear, center)
}
if (wsfont_lock(cookie, &ri->ri_font,
WSFONT_L2R, WSFONT_L2R) < 0) {
WSFONT_L2R, WSFONT_L2R) <= 0) {
printf("rasops_init: couldn't lock font\n");
return (-1);
}
#ifdef DIAGNOSTIC
if (ri->ri_font == NULL)
panic("rasops_init: locked font, but got no pointer\n");
#endif
ri->ri_wsfcookie = cookie;
}
#endif
@ -307,6 +311,11 @@ rasops_mapchar(cookie, c, cp)
struct rasops_info *ri;
ri = (struct rasops_info *)cookie;
#ifdef DIAGNOSTIC
if (ri->ri_font == NULL)
panic("rasops_mapchar: no font selected\n");
#endif
if (c < ri->ri_font->firstchar) {
*cp = ' ';