Changeset View

Standalone View

Show First 20 Lines • Show All 163 Lines • ▼ Show 20 Lines	#ifdef DEBUG
printf("\nread failed\n");		printf("\nread failed\n");
#endif		#endif
free(buf);		free(buf);
return (NULL);		return (NULL);
}		}
return (buf);		return (buf);
}		}

/*
* Display a region in traditional hexdump format.
*/
void
hexdump(caddr_t region, size_t len)
{
caddr_t line;
int x, c;
char lbuf[80];
#define emit(fmt, args...) {sprintf(lbuf, fmt , ## args); pager_output(lbuf);}

pager_open();
for (line = region; line < (region + len); line += 16) {
emit("%08lx ", (long) line);

for (x = 0; x < 16; x++) {
if ((line + x) < (region + len)) {
emit("%02x ", (uint8_t )(line + x));
} else {
emit("-- ");
}
if (x == 7)
emit(" ");
}
emit(" \|");
for (x = 0; x < 16; x++) {
if ((line + x) < (region + len)) {
c = (uint8_t )(line + x);
if ((c < ' ') \|\| (c > '~')) /* !isprint(c) */
c = '.';
emit("%c", c);
} else {
emit(" ");
}
}
emit("\|\n");
}
pager_close();
}

void		void
dev_cleanup(void)		dev_cleanup(void)
{		{
int i;		int i;

/* Call cleanup routines */		/* Call cleanup routines */
for (i = 0; devsw[i] != NULL; ++i)		for (i = 0; devsw[i] != NULL; ++i)
if (devsw[i]->dv_cleanup != NULL)		if (devsw[i]->dv_cleanup != NULL)
(devsw[i]->dv_cleanup)();		(devsw[i]->dv_cleanup)();
}		}