yuriの日記： FreeBSD-2.2.8のtouch 8
int
main(argc, argv)
int argc;
char *argv[];
{
struct stat sb;
struct timeval tv[2];
int aflag, cflag, fflag, mflag, ch, fd, len, rval, timeset;
char *p;
aflag = cflag = fflag = mflag = timeset = 0;
if (gettimeofday(&tv[0], NULL))
err(1, "gettimeofday");
while ((ch = getopt(argc, argv, "acfmr:t:")) != -1)
switch(ch) {
case 'a':
aflag = 1;
break;
case 'c':
cflag = 1;
break;
case 'f':
fflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'r':
timeset = 1;
stime_file(optarg, tv);
break;
case 't':
timeset = 1;
stime_arg1(optarg, tv);
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
/* Default is both -a and -m. */
if (aflag == 0 && mflag == 0)
aflag = mflag = 1;
/*
* If no -r or -t flag, at least two operands, the first of which
* is an 8 or 10 digit number, use the obsolete time specification.
*/
if (!timeset && argc > 1) {
(void)strtol(argv[0], &p, 10);
len = p - argv[0];
if (*p == '\0' && (len == 8 || len == 10)) {
timeset = 1;
stime_arg2(*argv++, len == 10, tv);
}
}
/* Otherwise use the current time of day. */
if (!timeset)
tv[1] = tv[0];
if (*argv == NULL)
usage();
for (rval = 0; *argv; ++argv) {
/* See if the file exists. */
if (stat(*argv, &sb))
if (!cflag) {
/* Create the file. */
fd = open(*argv,
O_WRONLY | O_CREAT, DEFFILEMODE);
if (fd == -1 || fstat(fd, &sb) || close(fd)) {
rval = 1;
warn("%s", *argv);
continue;
}
/* If using the current time, we're done. */
if (!timeset)
{
utimes(*argv, tv); /* これ追加しないと時刻が1970/01/01 00:00になっちゃう */
continue;
}
} else
continue;
if (!aflag)
TIMESPEC_TO_TIMEVAL(&tv[0], &sb.st_atimespec);
if (!mflag)
TIMESPEC_TO_TIMEVAL(&tv[1], &sb.st_mtimespec);
/* Try utimes(2). */
if (!utimes(*argv, tv))
continue;
/* If the user specified a time, nothing else we can do. */
if (timeset) {
rval = 1;
warn("%s", *argv);
}
/*
* System V and POSIX 1003.1 require that a NULL argument
* set the access/modification times to the current time.
* The permission checks are different, too, in that the
* ability to write the file is sufficient. Take a shot.
*/
if (!utimes(*argv, NULL))
continue;
/* Try reading/writing. */
if (rw(*argv, &sb, fflag))
rval = 1;
}
exit(rval);
}
#define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2;
void
stime_arg1(arg, tvp)
char *arg;
struct timeval *tvp;
{
time_t now;
struct tm *t;
int yearset;
char *p;
/* Start with the current time. */
now = tvp[0].tv_sec;
if ((t = localtime(&now)) == NULL)
err(1, "localtime");
/* [[CC]YY]MMDDhhmm[.SS] */
if ((p = strchr(arg, '.')) == NULL)
t->tm_sec = 0; /* Seconds defaults to 0. */
else {
if (strlen(p + 1) != 2)
goto terr;
*p++ = '\0';
t->tm_sec = ATOI2(p);
}
yearset = 0;
switch(strlen(arg)) {
case 12: /* CCYYMMDDhhmm */
t->tm_year = ATOI2(arg);
t->tm_year *= 100;
yearset = 1;
/* FALLTHOUGH */
case 10: /* YYMMDDhhmm */
if (yearset) {
yearset = ATOI2(arg);
t->tm_year += yearset;
} else {
yearset = ATOI2(arg);
if (yearset tm_year = yearset + 2000;
else
t->tm_year = yearset + 1900;
}
t->tm_year -= 1900; /* Convert to UNIX time. */
/* FALLTHROUGH */
case 8: /* MMDDhhmm */
t->tm_mon = ATOI2(arg);
--t->tm_mon; /* Convert from 01-12 to 00-11 */
t->tm_mday = ATOI2(arg);
t->tm_hour = ATOI2(arg);
t->tm_min = ATOI2(arg);
break;
default:
goto terr;
}
t->tm_isdst = -1; /* Figure out DST. */
tvp[0].tv_sec = tvp[1].tv_sec = mktime(t);
if (tvp[0].tv_sec == -1)
terr: errx(1,
"out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]");
tvp[0].tv_usec = tvp[1].tv_usec = 0;
}
void
stime_arg2(arg, year, tvp)
char *arg;
int year;
struct timeval *tvp;
{
time_t now;
struct tm *t;
/* Start with the current time. */
now = tvp[0].tv_sec;
if ((t = localtime(&now)) == NULL)
err(1, "localtime");
t->tm_mon = ATOI2(arg); /* MMDDhhmm[yy] */
--t->tm_mon; /* Convert from 01-12 to 00-11 */
t->tm_mday = ATOI2(arg);
t->tm_hour = ATOI2(arg);
t->tm_min = ATOI2(arg);
if (year)
t->tm_year = ATOI2(arg);
t->tm_isdst = -1; /* Figure out DST. */
tvp[0].tv_sec = tvp[1].tv_sec = mktime(t);
if (tvp[0].tv_sec == -1)
errx(1,
"out of range or illegal time specification: MMDDhhmm[yy]");
tvp[0].tv_usec = tvp[1].tv_usec = 0;
}
void
stime_file(fname, tvp)
char *fname;
struct timeval *tvp;
{
struct stat sb;
if (stat(fname, &sb))
err(1, "%s", fname);
TIMESPEC_TO_TIMEVAL(tvp, &sb.st_atimespec);
TIMESPEC_TO_TIMEVAL(tvp + 1, &sb.st_mtimespec);
}
int
rw(fname, sbp, force)
char *fname;
struct stat *sbp;
int force;
{
int fd, needed_chmod, rval;
u_char byte;
/* Try regular files and directories. */
if (!S_ISREG(sbp->st_mode) && !S_ISDIR(sbp->st_mode)) {
warnx("%s: %s", fname, strerror(EFTYPE));
return (1);
}
needed_chmod = rval = 0;
if ((fd = open(fname, O_RDWR, 0)) == -1) {
if (!force || chmod(fname, DEFFILEMODE))
goto err;
if ((fd = open(fname, O_RDWR, 0)) == -1)
goto err;
needed_chmod = 1;
}
if (sbp->st_size != 0) {
if (read(fd, &byte, sizeof(byte)) != sizeof(byte))
goto err;
if (lseek(fd, (off_t)0, SEEK_SET) == -1)
goto err;
if (write(fd, &byte, sizeof(byte)) != sizeof(byte))
goto err;
} else {
if (write(fd, &byte, sizeof(byte)) != sizeof(byte)) {
err: rval = 1;
warn("%s", fname);
} else if (ftruncate(fd, (off_t)0)) {
rval = 1;
warn("%s: file modified", fname);
}
}
if (close(fd) && rval != 1) {
rval = 1;
warn("%s", fname);
}
if (needed_chmod && chmod(fname, sbp->st_mode) && rval != 1) {
rval = 1;
warn("%s: permissions modified", fname);
}
return (rval);
}
void
usage()
{
(void)fprintf(stderr,
"usage: touch [-acfm] [-r file] [-t time] file ...\n");
exit(1);
}
---- こんな直し方で良いのかなあ。自信ないや
会社で使ってる機械(FreeBSD4.7)で、 (スコア:1)
自宅の環境では正常だし。
私の中では (スコア:1)
(長年連れ添った仲なので)
touchで空っぽファイルを作るところと
NFSロックでプロセスが待ちっぱなしになるところが
タマ(珠?玉?)にキズ(疵?傷?)です。
そうか4.7よ、お前もか。。
直っていると期待したのに。。。
touchがしょぼいのはいけません。
lockしっ放しもいけませんね。
#ネタ会話になりそうなのでここらでストーーップ
touch me (スコア:1)
send-pr もの？
Re:touch me (スコア:1)
-rw-r--r-- 1 yuri hoge 0 Jan 1 1970 me
argonさまのところで同様の現象に遭遇されたことはありますか？
#いろいろ裏取っとかないとsend-prできねって;-)
Re:touch me (スコア:1)
send-pr して調べてもらうという手もありますよ。 4.9-PRE も出るから注目度高そうだし。
ちなみにSambaで見ると (スコア:1)
ディスク上のサイズ 0バイト
作成日時 1601年1月1日、8:59:59
更新日時 1601年1月1日、8:59:59
アクセス日時 1601年1月1日、8:59:59
もう笑っちゃう。やっぱ send-prかなあ
bin/57236 (スコア:1)
http://www.freebsd.org/cgi/query-pr.cgi?pr=57236
すっごいビミョウな気分
Kris Kennawayさんから返事キター (スコア:1)
State-Changed-From-To: open->closed
State-Changed-By: kris
State-Changed-When: Wed Oct 8 14:42:09 PDT 2003
State-Changed-Why:
FreeBSD 2.x is no longer supported, sorry. Please update to
FreeBSD 4.8 or 4.9 once it is released.
http://www.freebsd.org/cgi/query-pr.cgi?pr=57236
そっかサポート終了なのね。ふうん。