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/*-
* Copyright (c) 2002, 2003 Greg Lehey
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* This software is provided by the author ``as is'' and any express
* or implied warranties, including, but not limited to, the implied
* warranties of merchantability and fitness for a particular purpose
* are disclaimed. In no event shall the author be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability,
* whether in contract, strict liability, or tort (including
* negligence or otherwise) arising in any way out of the use of this
* software, even if advised of the possibility of such damage.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <err.h>
#include <inttypes.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include "asf.h"
/*
* Get the linker file list from kldstat(8) output.
* The "run" flag tells if kldstat(8) should run now.
* Of course, kldstat(1) can run in a live system only, but its output
* can be saved beforehand and fed to this function later via stdin.
*/
void
asf_prog(int run)
{
char buf[LINE_MAX];
char *token[MAXTOKEN];
char *endp;
FILE *kldstat;
caddr_t base;
int tokens;
if (run) {
if ((kldstat = popen("kldstat", "r")) == NULL)
err(2, "can't start kldstat");
} else
kldstat = stdin;
while (fgets(buf, sizeof(buf), kldstat)) {
/* Skip header line and main kernel file */
if (buf[0] == 'I' || strstr(buf, KERNFILE))
continue;
tokens = tokenize(buf, token, MAXTOKEN);
if (tokens < 4)
continue;
base = (caddr_t)(uintptr_t)strtoumax(token[2], &endp, 16);
if (endp == NULL || *endp != '\0')
continue;
kfile_add(token[4], base);
}
}
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