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47
miscutils/dutmp.c
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47
miscutils/dutmp.c
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/*
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* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
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*
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* dutmp
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* Takes utmp formated file on stdin and dumps it's contents
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* out in colon delimited fields. Easy to 'cut' for shell based
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* versions of 'who', 'last', etc. IP Addr is output in hex,
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* little endian on x86.
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*
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* made against libc6
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <utmp.h>
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const char dutmp_usage[] = "dutmp\n"
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"\n"
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"\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
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"\tdutmp /var/run/utmp\n";
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extern int
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dutmp_fn(const struct FileInfo * i)
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{
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FILE * f = stdin;
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struct utmp * ut = (struct utmp *) malloc(sizeof(struct utmp) );
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if ( i )
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if (! (f = fopen(i->source, "r"))) {
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name_and_error(i->source);
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return 1;
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}
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while (fread (ut, 1, sizeof(struct utmp), f)) {
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//printf("%d:%d:%s:%s:%s:%s:%d:%d:%ld:%ld:%ld:%x\n",
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printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n",
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ut->ut_type, ut->ut_pid, ut->ut_line,
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ut->ut_id, ut->ut_user, ut->ut_host,
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ut->ut_exit.e_termination, ut->ut_exit.e_exit,
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ut->ut_session,
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ut->ut_tv.tv_sec, ut->ut_tv.tv_usec,
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ut->ut_addr);
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}
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return 0;
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}
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95
miscutils/makedevs.c
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95
miscutils/makedevs.c
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/*
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* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
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*
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* makedevs
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* Make ranges of device files quickly.
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* known bugs: can't deal with alpha ranges
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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const char makedevs_usage[] =
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"makedevs 0.01 -- Create an entire range of device files\n\n"
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"\tmakedevs /dev/ttyS c 4 64 0 63 (ttyS0-ttyS63)\n"
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"\tmakedevs /dev/hda b 3 0 0 8 s (hda,hda1-hda8)\n";
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int
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makedevs_main(struct FileInfo * i, int argc, char * * argv)
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{
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const char *basedev = argv[1];
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const char *type = argv[2];
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int major = atoi(argv[3]);
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int Sminor = atoi(argv[4]);
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int S = atoi(argv[5]);
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int E = atoi(argv[6]);
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int sbase = argc == 8 ? 1 : 0;
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mode_t mode = 0;
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dev_t dev = 0;
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char devname[255];
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char buf[255];
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switch (type[0]) {
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case 'c':
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mode = S_IFCHR; break;
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case 'b':
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mode = S_IFBLK; break;
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case 'f':
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mode = S_IFIFO; break;
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default:
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usage(makedevs_usage);
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return 2;
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}
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mode |= 0660;
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while ( S <= E ) {
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if (type[0] != 'f')
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dev = (major << 8) | Sminor;
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strcpy(devname, basedev);
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if (sbase == 0) {
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sprintf(buf, "%d", S);
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strcat(devname, buf);
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} else {
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sbase = 0;
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}
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if (mknod (devname, mode, dev))
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printf("Failed to create: %s\n", devname);
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S++; Sminor++;
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}
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return 0;
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}
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/*
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And this is what this program replaces. The shell is too slow!
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makedev () {
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local basedev=$1; local S=$2; local E=$3
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local major=$4; local Sminor=$5; local type=$6
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local sbase=$7
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if [ ! "$sbase" = "" ]; then
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mknod "$basedev" $type $major $Sminor
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S=`expr $S + 1`
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Sminor=`expr $Sminor + 1`
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fi
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while [ $S -le $E ]; do
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mknod "$basedev$S" $type $major $Sminor
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S=`expr $S + 1`
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Sminor=`expr $Sminor + 1`
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done
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}
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*/
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98
miscutils/mt.c
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98
miscutils/mt.c
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#include "internal.h"
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#include <stdio.h>
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#include <sys/mtio.h>
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#include <sys/fcntl.h>
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const char mt_usage[] = "mt [-f device] opcode value\n";
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struct mt_opcodes {
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char * name;
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short value;
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};
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/* missing: eod/seod, stoptions, stwrthreshold, densities */
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static const struct mt_opcodes opcodes[] = {
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{ "bsf", MTBSF },
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{ "bsfm", MTBSFM },
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{ "bsr", MTBSR },
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{ "bss", MTBSS },
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{ "datacompression", MTCOMPRESSION },
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{ "eom", MTEOM },
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{ "erase", MTERASE },
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{ "fsf", MTFSF },
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{ "fsfm", MTFSFM },
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{ "fsr", MTFSR },
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{ "fss", MTFSS },
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{ "load", MTLOAD },
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{ "lock", MTLOCK },
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{ "mkpart", MTMKPART },
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{ "nop", MTNOP },
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{ "offline",MTOFFL },
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{ "rewoffline",MTOFFL },
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{ "ras1", MTRAS1 },
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{ "ras2", MTRAS2 },
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{ "ras3", MTRAS3 },
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{ "reset", MTRESET },
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{ "retension", MTRETEN },
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{ "rew", MTREW },
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{ "seek", MTSEEK },
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{ "setblk", MTSETBLK },
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{ "setdensity", MTSETDENSITY },
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{ "drvbuffer", MTSETDRVBUFFER },
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{ "setpart", MTSETPART },
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{ "tell", MTTELL },
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{ "wset", MTWSM },
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{ "unload", MTUNLOAD },
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{ "unlock", MTUNLOCK },
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{ "eof", MTWEOF },
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{ "weof", MTWEOF },
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{ 0, 0 }
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};
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extern int
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mt_main(struct FileInfo * i, int argc, char * * argv)
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{
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const char * file = "/dev/tape";
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const struct mt_opcodes * code = opcodes;
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struct mtop op;
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int fd;
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if ( strcmp(argv[1], "-f") == 0 ) {
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if ( argc < 4 ) {
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usage(mt_usage);
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return 1;
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}
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file = argv[2];
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argv += 2;
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argc -= 2;
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}
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while ( code->name != 0 ) {
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if ( strcmp(code->name, argv[1]) == 0 )
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break;
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code++;
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}
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if ( code->name == 0 ) {
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fprintf(stderr, "mt: unrecognized opcode %s.\n", argv[1]);
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return 1;
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}
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op.mt_op = code->value;
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if ( argc >= 3 )
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op.mt_count = atoi(argv[2]);
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else
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op.mt_count = 1; /* One, not zero, right? */
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if ( (fd = open(file, O_RDONLY, 0)) < 0 ) {
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name_and_error(file);
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return 1;
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}
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if ( ioctl(fd, MTIOCTOP, &op) != 0 ) {
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name_and_error(file);
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return 1;
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}
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return 0;
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}
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48
miscutils/update.c
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48
miscutils/update.c
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@@ -0,0 +1,48 @@
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#include "internal.h"
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#include <linux/unistd.h>
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const char update_usage[] = "update\n"
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"\n"
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"\tFlush buffered data to the disk devices every 30 seconds.\n";
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#if defined(__GLIBC__)
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#include <sys/kdaemon.h>
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#else
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_syscall2(int, bdflush, int, func, int, data);
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#endif /* __GLIBC__ */
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extern int
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update_main(struct FileInfo * i, int argc, char * * argv)
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{
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/*
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* Update is actually two daemons, bdflush and update.
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*/
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int pid;
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pid = fork();
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if ( pid < 0 )
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return pid;
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else if ( pid == 0 ) {
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/*
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* This is no longer necessary since 1.3.5x, but it will harmlessly
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* exit if that is the case.
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*/
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strcpy(argv[0], "bdflush (update)");
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argv[1] = 0;
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argv[2] = 0;
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bdflush(1, 0);
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_exit(0);
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}
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pid = fork();
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if ( pid < 0 )
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return pid;
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else if ( pid == 0 ) {
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argv[0] = "update";
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for ( ; ; ) {
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sync();
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sleep(30);
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}
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}
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return 0;
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}
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