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-rw-r--r--src/editfns.c79
1 files changed, 63 insertions, 16 deletions
diff --git a/src/editfns.c b/src/editfns.c
index 79a88604d8c..3e27ca0cf43 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1,7 +1,7 @@
/* Lisp functions pertaining to editing.
Copyright (C) 1985, 1986, 1987, 1989, 1993, 1994, 1995, 1996,
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006 Free Software Foundation, Inc.
+ 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GNU Emacs.
@@ -1312,7 +1312,10 @@ DEFUN ("user-uid", Fuser_uid, Suser_uid, 0, 0, 0,
Value is an integer or float, depending on the value. */)
()
{
- return make_fixnum_or_float (geteuid ());
+ /* Assignment to EMACS_INT stops GCC whining about limited range of
+ data type. */
+ EMACS_INT euid = geteuid ();
+ return make_fixnum_or_float (euid);
}
DEFUN ("user-real-uid", Fuser_real_uid, Suser_real_uid, 0, 0, 0,
@@ -1320,7 +1323,10 @@ DEFUN ("user-real-uid", Fuser_real_uid, Suser_real_uid, 0, 0, 0,
Value is an integer or float, depending on the value. */)
()
{
- return make_fixnum_or_float (getuid ());
+ /* Assignment to EMACS_INT stops GCC whining about limited range of
+ data type. */
+ EMACS_INT uid = getuid ();
+ return make_fixnum_or_float (uid);
}
DEFUN ("user-full-name", Fuser_full_name, Suser_full_name, 0, 1, 0,
@@ -1448,9 +1454,9 @@ most significant 16 bits of the seconds, while the second has the
least significant 16 bits. The third integer gives the microsecond
count.
-On systems that can't determine the run time, get-internal-run-time
-does the same thing as current-time. The microsecond count is zero on
-systems that do not provide resolution finer than a second. */)
+On systems that can't determine the run time, `get-internal-run-time'
+does the same thing as `current-time'. The microsecond count is zero
+on systems that do not provide resolution finer than a second. */)
()
{
#ifdef HAVE_GETRUSAGE
@@ -1676,7 +1682,9 @@ For example, to produce full ISO 8601 format, use "%Y-%m-%dT%T%z". */)
/* This is probably enough. */
size = SBYTES (format_string) * 6 + 50;
+ BLOCK_INPUT;
tm = ut ? gmtime (&value) : localtime (&value);
+ UNBLOCK_INPUT;
if (! tm)
error ("Specified time is not representable");
@@ -1688,18 +1696,22 @@ For example, to produce full ISO 8601 format, use "%Y-%m-%dT%T%z". */)
int result;
buf[0] = '\1';
+ BLOCK_INPUT;
result = emacs_memftimeu (buf, size, SDATA (format_string),
SBYTES (format_string),
tm, ut);
+ UNBLOCK_INPUT;
if ((result > 0 && result < size) || (result == 0 && buf[0] == '\0'))
return code_convert_string_norecord (make_unibyte_string (buf, result),
Vlocale_coding_system, 0);
/* If buffer was too small, make it bigger and try again. */
+ BLOCK_INPUT;
result = emacs_memftimeu (NULL, (size_t) -1,
SDATA (format_string),
SBYTES (format_string),
tm, ut);
+ UNBLOCK_INPUT;
size = result + 1;
}
}
@@ -1707,7 +1719,7 @@ For example, to produce full ISO 8601 format, use "%Y-%m-%dT%T%z". */)
DEFUN ("decode-time", Fdecode_time, Sdecode_time, 0, 1, 0,
doc: /* Decode a time value as (SEC MINUTE HOUR DAY MONTH YEAR DOW DST ZONE).
The optional SPECIFIED-TIME should be a list of (HIGH LOW . IGNORED),
-as from `current-time' and `file-attributes', or `nil' to use the
+as from `current-time' and `file-attributes', or nil to use the
current time. The obsolete form (HIGH . LOW) is also still accepted.
The list has the following nine members: SEC is an integer between 0
and 60; SEC is 60 for a leap second, which only some operating systems
@@ -1730,7 +1742,9 @@ DOW and ZONE.) */)
if (! lisp_time_argument (specified_time, &time_spec, NULL))
error ("Invalid time specification");
+ BLOCK_INPUT;
decoded_time = localtime (&time_spec);
+ UNBLOCK_INPUT;
if (! decoded_time)
error ("Specified time is not representable");
XSETFASTINT (list_args[0], decoded_time->tm_sec);
@@ -1746,7 +1760,9 @@ DOW and ZONE.) */)
/* Make a copy, in case gmtime modifies the struct. */
save_tm = *decoded_time;
+ BLOCK_INPUT;
decoded_time = gmtime (&time_spec);
+ UNBLOCK_INPUT;
if (decoded_time == 0)
list_args[8] = Qnil;
else
@@ -1802,7 +1818,11 @@ usage: (encode-time SECOND MINUTE HOUR DAY MONTH YEAR &optional ZONE) */)
if (CONSP (zone))
zone = Fcar (zone);
if (NILP (zone))
- time = mktime (&tm);
+ {
+ BLOCK_INPUT;
+ time = mktime (&tm);
+ UNBLOCK_INPUT;
+ }
else
{
char tzbuf[100];
@@ -1827,7 +1847,9 @@ usage: (encode-time SECOND MINUTE HOUR DAY MONTH YEAR &optional ZONE) */)
value doesn't suffice, since that would mishandle leap seconds. */
set_time_zone_rule (tzstring);
+ BLOCK_INPUT;
time = mktime (&tm);
+ UNBLOCK_INPUT;
/* Restore TZ to previous value. */
newenv = environ;
@@ -1871,7 +1893,9 @@ but this is considered obsolete. */)
/* Convert to a string, checking for out-of-range time stamps.
Don't use 'ctime', as that might dump core if VALUE is out of
range. */
+ BLOCK_INPUT;
tm = localtime (&value);
+ UNBLOCK_INPUT;
if (! (tm && TM_YEAR_IN_ASCTIME_RANGE (tm->tm_year) && (tem = asctime (tm))))
error ("Specified time is not representable");
@@ -1927,9 +1951,21 @@ the data it can't find. */)
struct tm *t;
struct tm gmt;
- if (lisp_time_argument (specified_time, &value, NULL)
- && (t = gmtime (&value)) != 0
- && (gmt = *t, t = localtime (&value)) != 0)
+ if (!lisp_time_argument (specified_time, &value, NULL))
+ t = NULL;
+ else
+ {
+ BLOCK_INPUT;
+ t = gmtime (&value);
+ if (t)
+ {
+ gmt = *t;
+ t = localtime (&value);
+ }
+ UNBLOCK_INPUT;
+ }
+
+ if (t)
{
int offset = tm_diff (t, &gmt);
char *s = 0;
@@ -2247,8 +2283,7 @@ usage: (insert-before-markers-and-inherit &rest ARGS) */)
}
DEFUN ("insert-char", Finsert_char, Sinsert_char, 2, 3, 0,
- doc: /* Insert COUNT (second arg) copies of CHARACTER (first arg).
-Both arguments are required.
+ doc: /* Insert COUNT copies of CHARACTER.
Point, and before-insertion markers, are relocated as in the function `insert'.
The optional third arg INHERIT, if non-nil, says to inherit text properties
from adjoining text, if those properties are sticky. */)
@@ -3271,7 +3306,7 @@ save_restriction_restore (data)
DEFUN ("save-restriction", Fsave_restriction, Ssave_restriction, 0, UNEVALLED, 0,
doc: /* Execute BODY, saving and restoring current buffer's restrictions.
The buffer's restrictions make parts of the beginning and end invisible.
-(They are set up with `narrow-to-region' and eliminated with `widen'.)
+\(They are set up with `narrow-to-region' and eliminated with `widen'.)
This special form, `save-restriction', saves the current buffer's restrictions
when it is entered, and restores them when it is exited.
So any `narrow-to-region' within BODY lasts only until the end of the form.
@@ -3733,7 +3768,12 @@ usage: (format STRING &rest OBJECTS) */)
if (*format != 'd' && *format != 'o' && *format != 'x'
&& *format != 'i' && *format != 'X' && *format != 'c')
error ("Invalid format operation %%%c", *format);
- args[n] = Ftruncate (args[n], Qnil);
+ /* This fails unnecessarily if args[n] is bigger than
+ most-positive-fixnum but smaller than MAXINT.
+ These cases are important because we sometimes use floats
+ to represent such integer values (typically such values
+ come from UIDs or PIDs). */
+ /* args[n] = Ftruncate (args[n], Qnil); */
}
/* Note that we're using sprintf to print floats,
@@ -3901,8 +3941,15 @@ usage: (format STRING &rest OBJECTS) */)
else
sprintf (p, this_format, XUINT (args[n]));
}
- else
+ else if (format[-1] == 'e' || format[-1] == 'f' || format[-1] == 'g')
sprintf (p, this_format, XFLOAT_DATA (args[n]));
+ else if (format[-1] == 'd')
+ /* Maybe we should use "%1.0f" instead so it also works
+ for values larger than MAXINT. */
+ sprintf (p, this_format, (EMACS_INT) XFLOAT_DATA (args[n]));
+ else
+ /* Don't sign-extend for octal or hex printing. */
+ sprintf (p, this_format, (EMACS_UINT) XFLOAT_DATA (args[n]));
if (p > buf
&& multibyte