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