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fix several date issues, clarify ls exit statuses documentation (#446294)

This commit is contained in:
Ondrej Vasik 2008-10-13 08:32:45 +00:00
parent 146c35e640
commit 3a1addac9b
3 changed files with 474 additions and 4 deletions
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83
coreutils-446294-lsexitstatuses.patch Normal file
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@ -0,0 +1,83 @@
From 50654566c77d1335870206f657507a2d1c23f628 Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Ond=C5=99ej=20Va=C5=A1=C3=ADk?= <ovasik <at> redhat.com>
Date: Thu, 9 Oct 2008 10:56:54 +0200
Subject: [PATCH] doc: ls: clarify exit status description
* src/ls.c (exit_status): Clarify comments.
(usage): Clarify exit status description in --help output.
* doc/coreutils.texi (ls invocation): Clarify exit status documentation
Reported by Greg Metcalfe in <http://bugzilla.redhat.com/446294>.
---
THANKS | 1 +
doc/coreutils.texi | 7 +++++--
src/ls.c | 16 ++++++++++++----
3 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/THANKS b/THANKS
index e6e48b3..d06f755 100644
--- a/THANKS
+++ b/THANKS
@@ -201,6 +201,7 @@ Guochun Shi gshi@ncsa.uiuc.edu
GOTO Masanori gotom@debian.or.jp
Greg Louis glouis@dynamicro.on.ca
Greg McGary gkm@gnu.org
+Greg Metcalfe metcalfegreg@qwest.net
Greg Schafer gschafer@zip.com.au
Greg Troxel gdt@bbn.com
Greg Wooledge gawooledge@sherwin.com
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index a0d2202..b7e044d 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -6073,8 +6073,11 @@ ls invocation
@display
0 success
-1 minor problems (e.g., a subdirectory was not found)
-2 serious trouble (e.g., memory exhausted)
+1 minor problems (e.g., failure to access a file or directory not
+ specified as a command line argument. This happens when listing a
+ directory in which entries are actively being removed or renamed.)
+2 serious trouble (e.g., memory exhausted, invalid option or failure
+ to access file or directory specified as a command line argument)
@end display
Also see @ref{Common options}.
diff --git a/src/ls.c b/src/ls.c
index e107162..108d669 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -715,11 +715,14 @@ static int exit_status;
/* Exit statuses. */
enum
{
- /* "ls" had a minor problem (e.g., it could not stat a directory
- entry). */
+ /* "ls" had a minor problem. E.g., while processing a directory,
+ ls obtained the name of an entry via readdir, yet was later
+ unable to stat that name. This happens when listing a directory
+ in which entries are actively being removed or renamed. */
LS_MINOR_PROBLEM = 1,
- /* "ls" had more serious trouble. */
+ /* "ls" had more serious trouble (e.g., memory exhausted, invalid
+ option or failure to stat a command line argument. */
LS_FAILURE = 2
};
@@ -4527,7 +4530,12 @@ colors, and can be set easily by the dircolors command.\n\
"), stdout);
fputs (_("\
\n\
-Exit status is 0 if OK, 1 if minor problems, 2 if serious trouble.\n\
+Exit status:\n\
+0 if OK,\n\
+1 if minor problems (e.g., failure to access a file or directory not\n\
+ specified as a command line argument\n\
+2 if serious trouble (e.g., memory exhausted, invalid option or failure\n\
+ to access a file or directory specified as a command line argument).\n\
"), stdout);
emit_bug_reporting_address ();
}
--
1.6.0.2.514.g23abd3

381
coreutils-6.12-date_timerelsnumber.patch Normal file
View File

@ -0,0 +1,381 @@
diff -urNp coreutils-6.12-orig/lib/getdate.y coreutils-6.12/lib/getdate.y
--- coreutils-6.12-orig/lib/getdate.y 2008-01-31 19:37:19.000000000 +0100
+++ coreutils-6.12/lib/getdate.y 2008-10-08 15:49:35.000000000 +0200
@@ -1,8 +1,8 @@
%{
/* Parse a string into an internal time stamp.
- Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
- Foundation, Inc.
+ Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -60,7 +60,7 @@
# undef static
#endif
-#include <ctype.h>
+#include <c-ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
@@ -205,7 +205,7 @@ typedef struct
union YYSTYPE;
static int yylex (union YYSTYPE *, parser_control *);
static int yyerror (parser_control const *, char const *);
-static long int time_zone_hhmm (textint, long int);
+static long int time_zone_hhmm (parser_control *, textint, long int);
/* Extract into *PC any date and time info from a string of digits
of the form e.g., YYYYMMDD, YYMMDD, HHMM, HH (and sometimes YYY,
@@ -246,6 +246,31 @@ digits_to_date_time (parser_control *pc,
}
}
+/* Increment PC->rel by FACTOR * REL (FACTOR is 1 or -1). */
+static void
+apply_relative_time (parser_control *pc, relative_time rel, int factor)
+{
+ pc->rel.ns += factor * rel.ns;
+ pc->rel.seconds += factor * rel.seconds;
+ pc->rel.minutes += factor * rel.minutes;
+ pc->rel.hour += factor * rel.hour;
+ pc->rel.day += factor * rel.day;
+ pc->rel.month += factor * rel.month;
+ pc->rel.year += factor * rel.year;
+ pc->rels_seen = true;
+}
+
+/* Set PC-> hour, minutes, seconds and nanoseconds members from arguments. */
+static void
+set_hhmmss (parser_control *pc, long int hour, long int minutes,
+ time_t sec, long int nsec)
+{
+ pc->hour = hour;
+ pc->minutes = minutes;
+ pc->seconds.tv_sec = sec;
+ pc->seconds.tv_nsec = nsec;
+}
+
%}
/* We want a reentrant parser, even if the TZ manipulation and the calls to
@@ -268,7 +293,7 @@ digits_to_date_time (parser_control *pc,
%token tAGO tDST
%token tYEAR_UNIT tMONTH_UNIT tHOUR_UNIT tMINUTE_UNIT tSEC_UNIT
-%token <intval> tDAY_UNIT
+%token <intval> tDAY_UNIT tDAY_SHIFT
%token <intval> tDAY tDAYZONE tLOCAL_ZONE tMERIDIAN
%token <intval> tMONTH tORDINAL tZONE
@@ -279,7 +304,7 @@ digits_to_date_time (parser_control *pc,
%type <intval> o_colon_minutes o_merid
%type <timespec> seconds signed_seconds unsigned_seconds
-%type <rel> relunit relunit_snumber
+%type <rel> relunit relunit_snumber dayshift
%%
@@ -313,7 +338,6 @@ item:
| day
{ pc->days_seen++; }
| rel
- { pc->rels_seen = true; }
| number
| hybrid
;
@@ -321,45 +345,32 @@ item:
time:
tUNUMBER tMERIDIAN
{
- pc->hour = $1.value;
- pc->minutes = 0;
- pc->seconds.tv_sec = 0;
- pc->seconds.tv_nsec = 0;
+ set_hhmmss (pc, $1.value, 0, 0, 0);
pc->meridian = $2;
}
| tUNUMBER ':' tUNUMBER o_merid
{
- pc->hour = $1.value;
- pc->minutes = $3.value;
- pc->seconds.tv_sec = 0;
- pc->seconds.tv_nsec = 0;
+ set_hhmmss (pc, $1.value, $3.value, 0, 0);
pc->meridian = $4;
}
| tUNUMBER ':' tUNUMBER tSNUMBER o_colon_minutes
{
- pc->hour = $1.value;
- pc->minutes = $3.value;
- pc->seconds.tv_sec = 0;
- pc->seconds.tv_nsec = 0;
+ set_hhmmss (pc, $1.value, $3.value, 0, 0);
pc->meridian = MER24;
pc->zones_seen++;
- pc->time_zone = time_zone_hhmm ($4, $5);
+ pc->time_zone = time_zone_hhmm (pc, $4, $5);
}
| tUNUMBER ':' tUNUMBER ':' unsigned_seconds o_merid
{
- pc->hour = $1.value;
- pc->minutes = $3.value;
- pc->seconds = $5;
+ set_hhmmss (pc, $1.value, $3.value, $5.tv_sec, $5.tv_nsec);
pc->meridian = $6;
}
| tUNUMBER ':' tUNUMBER ':' unsigned_seconds tSNUMBER o_colon_minutes
{
- pc->hour = $1.value;
- pc->minutes = $3.value;
- pc->seconds = $5;
+ set_hhmmss (pc, $1.value, $3.value, $5.tv_sec, $5.tv_nsec);
pc->meridian = MER24;
pc->zones_seen++;
- pc->time_zone = time_zone_hhmm ($6, $7);
+ pc->time_zone = time_zone_hhmm (pc, $6, $7);
}
;
@@ -381,16 +392,9 @@ zone:
{ pc->time_zone = $1; }
| tZONE relunit_snumber
{ pc->time_zone = $1;
- pc->rel.ns += $2.ns;
- pc->rel.seconds += $2.seconds;
- pc->rel.minutes += $2.minutes;
- pc->rel.hour += $2.hour;
- pc->rel.day += $2.day;
- pc->rel.month += $2.month;
- pc->rel.year += $2.year;
- pc->rels_seen = true; }
+ apply_relative_time (pc, $2, 1); }
| tZONE tSNUMBER o_colon_minutes
- { pc->time_zone = $1 + time_zone_hhmm ($2, $3); }
+ { pc->time_zone = $1 + time_zone_hhmm (pc, $2, $3); }
| tDAYZONE
{ pc->time_zone = $1 + 60; }
| tZONE tDST
@@ -495,25 +499,11 @@ date:
rel:
relunit tAGO
- {
- pc->rel.ns -= $1.ns;
- pc->rel.seconds -= $1.seconds;
- pc->rel.minutes -= $1.minutes;
- pc->rel.hour -= $1.hour;
- pc->rel.day -= $1.day;
- pc->rel.month -= $1.month;
- pc->rel.year -= $1.year;
- }
+ { apply_relative_time (pc, $1, -1); }
| relunit
- {
- pc->rel.ns += $1.ns;
- pc->rel.seconds += $1.seconds;
- pc->rel.minutes += $1.minutes;
- pc->rel.hour += $1.hour;
- pc->rel.day += $1.day;
- pc->rel.month += $1.month;
- pc->rel.year += $1.year;
- }
+ { apply_relative_time (pc, $1, 1); }
+ | dayshift
+ { apply_relative_time (pc, $1, 1); }
;
relunit:
@@ -575,6 +565,11 @@ relunit_snumber:
{ $$ = RELATIVE_TIME_0; $$.seconds = $1.value; }
;
+dayshift:
+ tDAY_SHIFT
+ { $$ = RELATIVE_TIME_0; $$.day = $1; }
+ ;
+
seconds: signed_seconds | unsigned_seconds;
signed_seconds:
@@ -600,14 +595,7 @@ hybrid:
/* Hybrid all-digit and relative offset, so that we accept e.g.,
"YYYYMMDD +N days" as well as "YYYYMMDD N days". */
digits_to_date_time (pc, $1);
- pc->rel.ns += $2.ns;
- pc->rel.seconds += $2.seconds;
- pc->rel.minutes += $2.minutes;
- pc->rel.hour += $2.hour;
- pc->rel.day += $2.day;
- pc->rel.month += $2.month;
- pc->rel.year += $2.year;
- pc->rels_seen = true;
+ apply_relative_time (pc, $2, 1);
}
;
@@ -688,10 +676,10 @@ static table const time_units_table[] =
/* Assorted relative-time words. */
static table const relative_time_table[] =
{
- { "TOMORROW", tDAY_UNIT, 1 },
- { "YESTERDAY",tDAY_UNIT, -1 },
- { "TODAY", tDAY_UNIT, 0 },
- { "NOW", tDAY_UNIT, 0 },
+ { "TOMORROW", tDAY_SHIFT, 1 },
+ { "YESTERDAY",tDAY_SHIFT, -1 },
+ { "TODAY", tDAY_SHIFT, 0 },
+ { "NOW", tDAY_SHIFT, 0 },
{ "LAST", tORDINAL, -1 },
{ "THIS", tORDINAL, 0 },
{ "NEXT", tORDINAL, 1 },
@@ -814,15 +802,33 @@ static table const military_table[] =
/* Convert a time zone expressed as HH:MM into an integer count of
minutes. If MM is negative, then S is of the form HHMM and needs
- to be picked apart; otherwise, S is of the form HH. */
+ to be picked apart; otherwise, S is of the form HH. As specified in
+ http://www.opengroup.org/susv3xbd/xbd_chap08.html#tag_08_03, allow
+ only valid TZ range, and consider first two digits as hours, if no
+ minutes specified. */
static long int
-time_zone_hhmm (textint s, long int mm)
+time_zone_hhmm (parser_control *pc, textint s, long int mm)
{
+ long int n_minutes;
+
+ /* If the length of S is 1 or 2 and no minutes are specified,
+ interpret it as a number of hours. */
+ if (s.digits <= 2 && mm < 0)
+ s.value *= 100;
+
if (mm < 0)
- return (s.value / 100) * 60 + s.value % 100;
+ n_minutes = (s.value / 100) * 60 + s.value % 100;
else
- return s.value * 60 + (s.negative ? -mm : mm);
+ n_minutes = s.value * 60 + (s.negative ? -mm : mm);
+
+ /* If the absolute number of minutes is larger than 24 hours,
+ arrange to reject it by incrementing pc->zones_seen. Thus,
+ we allow only values in the range UTC-24:00 to UTC+24:00. */
+ if (24 * 60 < abs (n_minutes))
+ pc->zones_seen++;
+
+ return n_minutes;
}
static int
@@ -919,7 +925,7 @@ lookup_word (parser_control const *pc, c
for (p = word; *p; p++)
{
unsigned char ch = *p;
- *p = toupper (ch);
+ *p = c_toupper (ch);
}
for (tp = meridian_table; tp->name; tp++)
@@ -984,7 +990,7 @@ yylex (YYSTYPE *lvalp, parser_control *p
for (;;)
{
- while (c = *pc->input, isspace (c))
+ while (c = *pc->input, c_isspace (c))
pc->input++;
if (ISDIGIT (c) || c == '-' || c == '+')
@@ -995,7 +1001,7 @@ yylex (YYSTYPE *lvalp, parser_control *p
if (c == '-' || c == '+')
{
sign = c == '-' ? -1 : 1;
- while (c = *++pc->input, isspace (c))
+ while (c = *++pc->input, c_isspace (c))
continue;
if (! ISDIGIT (c))
/* skip the '-' sign */
@@ -1099,7 +1105,7 @@ yylex (YYSTYPE *lvalp, parser_control *p
}
}
- if (isalpha (c))
+ if (c_isalpha (c))
{
char buff[20];
char *p = buff;
@@ -1111,7 +1117,7 @@ yylex (YYSTYPE *lvalp, parser_control *p
*p++ = c;
c = *++pc->input;
}
- while (isalpha (c) || c == '.');
+ while (c_isalpha (c) || c == '.');
*p = '\0';
tp = lookup_word (pc, buff);
@@ -1224,7 +1230,7 @@ get_date (struct timespec *result, char
if (! tmp)
return false;
- while (c = *p, isspace (c))
+ while (c = *p, c_isspace (c))
p++;
if (strncmp (p, "TZ=\"", 4) == 0)
@@ -1436,25 +1442,6 @@ get_date (struct timespec *result, char
goto fail;
}
- if (pc.zones_seen)
- {
- long int delta = pc.time_zone * 60;
- time_t t1;
-#ifdef HAVE_TM_GMTOFF
- delta -= tm.tm_gmtoff;
-#else
- time_t t = Start;
- struct tm const *gmt = gmtime (&t);
- if (! gmt)
- goto fail;
- delta -= tm_diff (&tm, gmt);
-#endif
- t1 = Start - delta;
- if ((Start < t1) != (delta < 0))
- goto fail; /* time_t overflow */
- Start = t1;
- }
-
/* Add relative date. */
if (pc.rel.year | pc.rel.month | pc.rel.day)
{
@@ -1477,6 +1464,27 @@ get_date (struct timespec *result, char
goto fail;
}
+ /* The only "output" of this if-block is an updated Start value,
+ so this block must follow others that clobber Start. */
+ if (pc.zones_seen)
+ {
+ long int delta = pc.time_zone * 60;
+ time_t t1;
+#ifdef HAVE_TM_GMTOFF
+ delta -= tm.tm_gmtoff;
+#else
+ time_t t = Start;
+ struct tm const *gmt = gmtime (&t);
+ if (! gmt)
+ goto fail;
+ delta -= tm_diff (&tm, gmt);
+#endif
+ t1 = Start - delta;
+ if ((Start < t1) != (delta < 0))
+ goto fail; /* time_t overflow */
+ Start = t1;
+ }
+
/* Add relative hours, minutes, and seconds. On hosts that support
leap seconds, ignore the possibility of leap seconds; e.g.,
"+ 10 minutes" adds 600 seconds, even if one of them is a

14
coreutils.spec
View File

@ -1,7 +1,7 @@
Summary: The GNU core utilities: a set of tools commonly used in shell scripts
Name: coreutils
Version: 6.12
Release: 14%{?dist}
Release: 15%{?dist}
License: GPLv3+
Group: System Environment/Base
Url: http://www.gnu.org/software/coreutils/
@ -21,9 +21,10 @@ Source203: coreutils-runuser-l.pamd
Patch1: coreutils-futimensatkoji.patch
Patch2: coreutils-authors.patch
Patch3: coreutils-who_texinfo.patch
#Patch4: coreutils-6.12-date_timerelsnumber.patch
Patch4: coreutils-6.12-date_timerelsnumber.patch
Patch5: coreutils-6.12-seqdecimalutf8.patch
Patch6: coreutils-6.12-catch-known-testsuite-failures.patch
Patch7: coreutils-446294-lsexitstatuses.patch
# Our patches
Patch100: coreutils-6.10-configuration.patch
@ -111,9 +112,10 @@ the old GNU fileutils, sh-utils, and textutils packages.
%patch1 -p1 -b .kojifutimensat
%patch2 -p1 -b .authors
%patch3 -p1 -b .whotexinfo
#%patch4 -p1 -b .getdate
%patch4 -p1 -b .getdate
%patch5 -p1 -b .sequtf8
%patch6 -p1 -b .tests
%patch7 -p1 -b .lsexit
# Our patches
%patch100 -p1 -b .configure
@ -129,7 +131,6 @@ the old GNU fileutils, sh-utils, and textutils packages.
%patch706 -p1 -b .pam
%patch713 -p1 -b .langinfo
%patch715 -p1 -b .sysinfo
# li18nux/lsb
%patch800 -p1 -b .i18n
@ -333,6 +334,11 @@ fi
/sbin/runuser
%changelog
* Mon Oct 13 2008 Ondrej Vasik <ovasik@redhat.com> - 6.12-15
- fix several date issues(e.g. countable dayshifts, ignoring
some cases of relative offset, locales conversions...)
- clarify ls exit statuses documentation (#446294)
* Sun Oct 12 2008 Ondrej Vasik <ovasik@redhat.com> - 6.12-14
- cp -Z now correctly separated in man page (#466646)
- cp -Z works again (#466653)