/* Random utility Lisp functions.
- Copyright (C) 1985, 86, 87, 93, 94, 95, 97, 98, 99, 2000, 2001, 2002
+ Copyright (C) 1985, 86, 87, 93, 94, 95, 97, 98, 99, 2000, 2001, 02, 03, 2004
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#endif
#include <time.h>
+#ifndef MAC_OSX
+/* On Mac OS X, defining this conflicts with precompiled headers. */
+
/* Note on some machines this defines `vector' as a typedef,
so make sure we don't use that name in this file. */
#undef vector
#define vector *****
+
+#endif /* ! MAC_OSX */
+
#include "lisp.h"
#include "commands.h"
#include "charset.h"
asked by mouse commands. */
int use_dialog_box;
+/* Nonzero enables use of a file dialog for file name
+ questions asked by mouse commands. */
+int use_file_dialog;
+
extern int minibuffer_auto_raise;
extern Lisp_Object minibuf_window;
extern Lisp_Object Vlocale_coding_system;
DEFUN ("random", Frandom, Srandom, 0, 1, 0,
doc: /* Return a pseudo-random number.
All integers representable in Lisp are equally likely.
- On most systems, this is 28 bits' worth.
+ On most systems, this is 29 bits' worth.
With positive integer argument N, return random number in interval [0,N).
With argument t, set the random number seed from the current time and pid. */)
(n)
XSETFASTINT (val, SCHARS (sequence));
else if (VECTORP (sequence))
XSETFASTINT (val, XVECTOR (sequence)->size);
+ else if (SUB_CHAR_TABLE_P (sequence))
+ XSETFASTINT (val, SUB_CHAR_TABLE_ORDINARY_SLOTS);
else if (CHAR_TABLE_P (sequence))
XSETFASTINT (val, MAX_CHAR);
else if (BOOL_VECTOR_P (sequence))
{
Lisp_Object val;
int size_in_chars
- = (XBOOL_VECTOR (arg)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
+ = ((XBOOL_VECTOR (arg)->size + BOOL_VECTOR_BITS_PER_CHAR - 1)
+ / BOOL_VECTOR_BITS_PER_CHAR);
val = Fmake_bool_vector (Flength (arg), Qnil);
bcopy (XBOOL_VECTOR (arg)->data, XBOOL_VECTOR (val)->data,
return concat (1, &arg, CONSP (arg) ? Lisp_Cons : XTYPE (arg), 0);
}
-/* In string STR of length LEN, see if bytes before STR[I] combine
- with bytes after STR[I] to form a single character. If so, return
- the number of bytes after STR[I] which combine in this way.
- Otherwize, return 0. */
-
-static int
-count_combining (str, len, i)
- unsigned char *str;
- int len, i;
-{
- int j = i - 1, bytes;
-
- if (i == 0 || i == len || CHAR_HEAD_P (str[i]))
- return 0;
- while (j >= 0 && !CHAR_HEAD_P (str[j])) j--;
- if (j < 0 || ! BASE_LEADING_CODE_P (str[j]))
- return 0;
- PARSE_MULTIBYTE_SEQ (str + j, len - j, bytes);
- return (bytes <= i - j ? 0 : bytes - (i - j));
-}
-
/* This structure holds information of an argument of `concat' that is
a string and has text properties to be copied. */
struct textprop_rec
&& STRING_MULTIBYTE (this) == some_multibyte)
{
int thislen_byte = SBYTES (this);
- int combined;
bcopy (SDATA (this), SDATA (val) + toindex_byte,
SBYTES (this));
- combined = (some_multibyte && toindex_byte > 0
- ? count_combining (SDATA (val),
- toindex_byte + thislen_byte,
- toindex_byte)
- : 0);
if (! NULL_INTERVAL_P (STRING_INTERVALS (this)))
{
textprops[num_textprops].argnum = argnum;
- /* We ignore text properties on characters being combined. */
- textprops[num_textprops].from = combined;
+ textprops[num_textprops].from = 0;
textprops[num_textprops++].to = toindex;
}
toindex_byte += thislen_byte;
- toindex += thisleni - combined;
- STRING_SET_CHARS (val, SCHARS (val) - combined);
+ toindex += thisleni;
+ STRING_SET_CHARS (val, SCHARS (val));
}
/* Copy a single-byte string to a multibyte string. */
else if (STRINGP (this) && STRINGP (val))
else if (BOOL_VECTOR_P (this))
{
int byte;
- byte = XBOOL_VECTOR (this)->data[thisindex / BITS_PER_CHAR];
- if (byte & (1 << (thisindex % BITS_PER_CHAR)))
+ byte = XBOOL_VECTOR (this)->data[thisindex / BOOL_VECTOR_BITS_PER_CHAR];
+ if (byte & (1 << (thisindex % BOOL_VECTOR_BITS_PER_CHAR)))
elt = Qt;
else
elt = Qnil;
SDATA (val) + toindex_byte);
else
SSET (val, toindex_byte++, XINT (elt));
- if (some_multibyte
- && toindex_byte > 0
- && count_combining (SDATA (val),
- toindex_byte, toindex_byte - 1))
- STRING_SET_CHARS (val, SCHARS (val) - 1);
- else
- toindex++;
+ toindex++;
}
else
/* If we have any multibyte characters,
int best_below, best_below_byte;
int best_above, best_above_byte;
- if (! STRING_MULTIBYTE (string))
- return char_index;
-
best_below = best_below_byte = 0;
best_above = SCHARS (string);
best_above_byte = SBYTES (string);
+ if (best_above == best_above_byte)
+ return char_index;
if (EQ (string, string_char_byte_cache_string))
{
int best_below, best_below_byte;
int best_above, best_above_byte;
- if (! STRING_MULTIBYTE (string))
- return byte_index;
-
best_below = best_below_byte = 0;
best_above = SCHARS (string);
best_above_byte = SBYTES (string);
+ if (best_above == best_above_byte)
+ return byte_index;
if (EQ (string, string_char_byte_cache_string))
{
{
unsigned char *buf;
int nbytes;
+ Lisp_Object ret;
+ USE_SAFE_ALLOCA;
if (STRING_MULTIBYTE (string))
return string;
if (nbytes == SBYTES (string))
return string;
- buf = (unsigned char *) alloca (nbytes);
+ SAFE_ALLOCA (buf, unsigned char *, nbytes);
copy_text (SDATA (string), buf, SBYTES (string),
0, 1);
- return make_multibyte_string (buf, SCHARS (string), nbytes);
+ ret = make_multibyte_string (buf, SCHARS (string), nbytes);
+ SAFE_FREE (nbytes);
+
+ return ret;
}
{
unsigned char *buf;
int nbytes;
- int i;
+ Lisp_Object ret;
+ USE_SAFE_ALLOCA;
if (STRING_MULTIBYTE (string))
return string;
if (nbytes == SBYTES (string))
return make_multibyte_string (SDATA (string), nbytes, nbytes);
- buf = (unsigned char *) alloca (nbytes);
+ SAFE_ALLOCA (buf, unsigned char *, nbytes);
bcopy (SDATA (string), buf, SBYTES (string));
str_to_multibyte (buf, nbytes, SBYTES (string));
- return make_multibyte_string (buf, SCHARS (string), nbytes);
+ ret = make_multibyte_string (buf, SCHARS (string), nbytes);
+ SAFE_FREE (nbytes);
+
+ return ret;
}
string_make_unibyte (string)
Lisp_Object string;
{
+ int nchars;
unsigned char *buf;
+ Lisp_Object ret;
+ USE_SAFE_ALLOCA;
if (! STRING_MULTIBYTE (string))
return string;
- buf = (unsigned char *) alloca (SCHARS (string));
+ nchars = SCHARS (string);
+ SAFE_ALLOCA (buf, unsigned char *, nchars);
copy_text (SDATA (string), buf, SBYTES (string),
1, 0);
- return make_unibyte_string (buf, SCHARS (string));
+ ret = make_unibyte_string (buf, nchars);
+ SAFE_FREE (nchars);
+
+ return ret;
}
DEFUN ("string-make-multibyte", Fstring_make_multibyte, Sstring_make_multibyte,
1, 1, 0,
doc: /* Return the multibyte equivalent of STRING.
-The function `unibyte-char-to-multibyte' is used to convert
-each unibyte character to a multibyte character. */)
+If STRING is unibyte and contains non-ASCII characters, the function
+`unibyte-char-to-multibyte' is used to convert each unibyte character
+to a multibyte character. In this case, the returned string is a
+newly created string with no text properties. If STRING is multibyte
+or entirely ASCII, it is returned unchanged. In particular, when
+STRING is unibyte and entirely ASCII, the returned string is unibyte.
+\(When the characters are all ASCII, Emacs primitives will treat the
+string the same way whether it is unibyte or multibyte.) */)
(string)
Lisp_Object string;
{
Otherwise it is a newly created string, with no text properties.
Characters 0200 through 0237 are converted to eight-bit-control
characters of the same character code. Characters 0240 through 0377
-are converted to eight-bit-control characters of the same character
+are converted to eight-bit-graphic characters of the same character
codes. */)
(string)
Lisp_Object string;
DEFUN ("assq", Fassq, Sassq, 2, 2, 0,
doc: /* Return non-nil if KEY is `eq' to the car of an element of LIST.
-The value is actually the element of LIST whose car is KEY.
+The value is actually the first element of LIST whose car is KEY.
Elements of LIST that are not conses are ignored. */)
(key, list)
Lisp_Object key, list;
DEFUN ("assoc", Fassoc, Sassoc, 2, 2, 0,
doc: /* Return non-nil if KEY is `equal' to the car of an element of LIST.
-The value is actually the element of LIST whose car equals KEY. */)
- (key, list)
+The value is actually the first element of LIST whose car equals KEY. */)
+ (key, list)
Lisp_Object key, list;
{
Lisp_Object result, car;
DEFUN ("rassq", Frassq, Srassq, 2, 2, 0,
doc: /* Return non-nil if KEY is `eq' to the cdr of an element of LIST.
-The value is actually the element of LIST whose cdr is KEY. */)
+The value is actually the first element of LIST whose cdr is KEY. */)
(key, list)
register Lisp_Object key;
Lisp_Object list;
DEFUN ("rassoc", Frassoc, Srassoc, 2, 2, 0,
doc: /* Return non-nil if KEY is `equal' to the cdr of an element of LIST.
-The value is actually the element of LIST whose cdr equals KEY. */)
+The value is actually the first element of LIST whose cdr equals KEY. */)
(key, list)
Lisp_Object key, list;
{
DEFUN ("nreverse", Fnreverse, Snreverse, 1, 1, 0,
doc: /* Reverse LIST by modifying cdr pointers.
-Returns the beginning of the reversed list. */)
+Return the reversed list. */)
(list)
Lisp_Object list;
{
}
DEFUN ("reverse", Freverse, Sreverse, 1, 1, 0,
- doc: /* Reverse LIST, copying. Returns the beginning of the reversed list.
+ doc: /* Reverse LIST, copying. Return the reversed list.
See also the function `nreverse', which is used more often. */)
(list)
Lisp_Object list;
return plist;
}
\f
+DEFUN ("eql", Feql, Seql, 2, 2, 0,
+ doc: /* Return t if the two args are the same Lisp object.
+Floating-point numbers of equal value are `eql', but they may not be `eq'. */)
+ (obj1, obj2)
+ Lisp_Object obj1, obj2;
+{
+ if (FLOATP (obj1))
+ return internal_equal (obj1, obj2, 0, 0) ? Qt : Qnil;
+ else
+ return EQ (obj1, obj2) ? Qt : Qnil;
+}
+
DEFUN ("equal", Fequal, Sequal, 2, 2, 0,
doc: /* Return t if two Lisp objects have similar structure and contents.
They must have the same data type.
(o1, o2)
register Lisp_Object o1, o2;
{
- return internal_equal (o1, o2, 0) ? Qt : Qnil;
+ return internal_equal (o1, o2, 0, 0) ? Qt : Qnil;
+}
+
+DEFUN ("equal-including-properties", Fequal_including_properties, Sequal_including_properties, 2, 2, 0,
+ doc: /* Return t if two Lisp objects have similar structure and contents.
+This is like `equal' except that it compares the text properties
+of strings. (`equal' ignores text properties.) */)
+ (o1, o2)
+ register Lisp_Object o1, o2;
+{
+ return internal_equal (o1, o2, 0, 1) ? Qt : Qnil;
}
+/* DEPTH is current depth of recursion. Signal an error if it
+ gets too deep.
+ PROPS, if non-nil, means compare string text properties too. */
+
static int
-internal_equal (o1, o2, depth)
+internal_equal (o1, o2, depth, props)
register Lisp_Object o1, o2;
- int depth;
+ int depth, props;
{
if (depth > 200)
error ("Stack overflow in equal");
switch (XTYPE (o1))
{
case Lisp_Float:
- return (extract_float (o1) == extract_float (o2));
+ {
+ double d1, d2;
+
+ d1 = extract_float (o1);
+ d2 = extract_float (o2);
+ /* If d is a NaN, then d != d. Two NaNs should be `equal' even
+ though they are not =. */
+ return d1 == d2 || (d1 != d1 && d2 != d2);
+ }
case Lisp_Cons:
- if (!internal_equal (XCAR (o1), XCAR (o2), depth + 1))
+ if (!internal_equal (XCAR (o1), XCAR (o2), depth + 1, props))
return 0;
o1 = XCDR (o1);
o2 = XCDR (o2);
if (OVERLAYP (o1))
{
if (!internal_equal (OVERLAY_START (o1), OVERLAY_START (o2),
- depth + 1)
+ depth + 1, props)
|| !internal_equal (OVERLAY_END (o1), OVERLAY_END (o2),
depth + 1))
return 0;
case Lisp_Vectorlike:
{
- register int i, size;
- size = XVECTOR (o1)->size;
+ register int i;
+ EMACS_INT size = XVECTOR (o1)->size;
/* Pseudovectors have the type encoded in the size field, so this test
actually checks that the objects have the same type as well as the
same size. */
if (BOOL_VECTOR_P (o1))
{
int size_in_chars
- = (XBOOL_VECTOR (o1)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
+ = ((XBOOL_VECTOR (o1)->size + BOOL_VECTOR_BITS_PER_CHAR - 1)
+ / BOOL_VECTOR_BITS_PER_CHAR);
if (XBOOL_VECTOR (o1)->size != XBOOL_VECTOR (o2)->size)
return 0;
Lisp_Object v1, v2;
v1 = XVECTOR (o1)->contents [i];
v2 = XVECTOR (o2)->contents [i];
- if (!internal_equal (v1, v2, depth + 1))
+ if (!internal_equal (v1, v2, depth + 1, props))
return 0;
}
return 1;
if (bcmp (SDATA (o1), SDATA (o2),
SBYTES (o1)))
return 0;
+ if (props && !compare_string_intervals (o1, o2))
+ return 0;
return 1;
case Lisp_Int:
{
register unsigned char *p = XBOOL_VECTOR (array)->data;
int size_in_chars
- = (XBOOL_VECTOR (array)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
+ = ((XBOOL_VECTOR (array)->size + BOOL_VECTOR_BITS_PER_CHAR - 1)
+ / BOOL_VECTOR_BITS_PER_CHAR);
charval = (! NILP (item) ? -1 : 0);
- for (index = 0; index < size_in_chars; index++)
+ for (index = 0; index < size_in_chars - 1; index++)
p[index] = charval;
+ if (index < size_in_chars)
+ {
+ /* Mask out bits beyond the vector size. */
+ if (XBOOL_VECTOR (array)->size % BOOL_VECTOR_BITS_PER_CHAR)
+ charval &= (1 << (XBOOL_VECTOR (array)->size % BOOL_VECTOR_BITS_PER_CHAR)) - 1;
+ p[index] = charval;
+ }
}
else
{
}
return array;
}
+
+DEFUN ("clear-string", Fclear_string, Sclear_string,
+ 1, 1, 0,
+ doc: /* Clear the contents of STRING.
+This makes STRING unibyte and may change its length. */)
+ (string)
+ Lisp_Object string;
+{
+ int len;
+ CHECK_STRING (string);
+ len = SBYTES (string);
+ bzero (SDATA (string), len);
+ STRING_SET_CHARS (string, len);
+ STRING_SET_UNIBYTE (string);
+ return Qnil;
+}
\f
DEFUN ("char-table-subtype", Fchar_table_subtype, Schar_table_subtype,
1, 1, 0,
DEFUN ("set-char-table-parent", Fset_char_table_parent, Sset_char_table_parent,
2, 2, 0,
doc: /* Set the parent char-table of CHAR-TABLE to PARENT.
-PARENT must be either nil or another char-table. */)
+Return PARENT. PARENT must be either nil or another char-table. */)
(char_table, parent)
Lisp_Object char_table, parent;
{
DEFUN ("set-char-table-range", Fset_char_table_range, Sset_char_table_range,
3, 3, 0,
doc: /* Set the value in CHAR-TABLE for a range of characters RANGE to VALUE.
-RANGE should be t (for all characters), nil (for the default value)
-a vector which identifies a character set or a row of a character set,
-a coding system, or a character code. */)
+RANGE should be t (for all characters), nil (for the default value),
+a character set, a vector which identifies a character set, a row of a
+character set, or a character code. Return VALUE. */)
(char_table, range, value)
Lisp_Object char_table, range, value;
{
else if (SYMBOLP (range))
{
Lisp_Object charset_info;
+ int charset_id;
charset_info = Fget (range, Qcharset);
- CHECK_VECTOR (charset_info);
-
- return Faset (char_table,
- make_number (XINT (XVECTOR (charset_info)->contents[0])
- + 128),
- value);
+ if (! VECTORP (charset_info)
+ || ! NATNUMP (AREF (charset_info, 0))
+ || (charset_id = XINT (AREF (charset_info, 0)),
+ ! CHARSET_DEFINED_P (charset_id)))
+ error ("Invalid charset: %s", SDATA (SYMBOL_NAME (range)));
+
+ if (charset_id == CHARSET_ASCII)
+ for (i = 0; i < 128; i++)
+ XCHAR_TABLE (char_table)->contents[i] = value;
+ else if (charset_id == CHARSET_8_BIT_CONTROL)
+ for (i = 128; i < 160; i++)
+ XCHAR_TABLE (char_table)->contents[i] = value;
+ else if (charset_id == CHARSET_8_BIT_GRAPHIC)
+ for (i = 160; i < 256; i++)
+ XCHAR_TABLE (char_table)->contents[i] = value;
+ else
+ XCHAR_TABLE (char_table)->contents[charset_id + 128] = value;
}
else if (INTEGERP (range))
Faset (char_table, range, value);
DEFUN ("set-char-table-default", Fset_char_table_default,
Sset_char_table_default, 3, 3, 0,
- doc: /* Set the default value in CHAR-TABLE for a generic character CHAR to VALUE.
+ doc: /* Set the default value in CHAR-TABLE for generic character CH to VALUE.
The generic character specifies the group of characters.
-See also the documentation of make-char. */)
+See also the documentation of `make-char'. */)
(char_table, ch, value)
Lisp_Object char_table, ch, value;
{
ARG is passed to C_FUNCTION when that is called. */
void
-map_char_table (c_function, function, subtable, arg, depth, indices)
+map_char_table (c_function, function, table, subtable, arg, depth, indices)
void (*c_function) P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
- Lisp_Object function, subtable, arg, *indices;
+ Lisp_Object function, table, subtable, arg, *indices;
int depth;
{
int i, to;
/* At first, handle ASCII and 8-bit European characters. */
for (i = 0; i < CHAR_TABLE_SINGLE_BYTE_SLOTS; i++)
{
- Lisp_Object elt = XCHAR_TABLE (subtable)->contents[i];
+ Lisp_Object elt= XCHAR_TABLE (subtable)->contents[i];
+ if (NILP (elt))
+ elt = XCHAR_TABLE (subtable)->defalt;
+ if (NILP (elt))
+ elt = Faref (subtable, make_number (i));
if (c_function)
(*c_function) (arg, make_number (i), elt);
else
{
if (depth >= 3)
error ("Too deep char table");
- map_char_table (c_function, function, elt, arg, depth + 1, indices);
+ map_char_table (c_function, function, table, elt, arg, depth + 1, indices);
}
else
{
int c1, c2, c;
- if (NILP (elt))
- elt = XCHAR_TABLE (subtable)->defalt;
c1 = depth >= 1 ? XFASTINT (indices[1]) : 0;
c2 = depth >= 2 ? XFASTINT (indices[2]) : 0;
c = MAKE_CHAR (charset, c1, c2);
+
+ if (NILP (elt))
+ elt = XCHAR_TABLE (subtable)->defalt;
+ if (NILP (elt))
+ elt = Faref (table, make_number (c));
+
if (c_function)
(*c_function) (arg, make_number (c), elt);
else
}
}
+static void void_call2 P_ ((Lisp_Object a, Lisp_Object b, Lisp_Object c));
+static void
+void_call2 (a, b, c)
+ Lisp_Object a, b, c;
+{
+ call2 (a, b, c);
+}
+
DEFUN ("map-char-table", Fmap_char_table, Smap_char_table,
2, 2, 0,
doc: /* Call FUNCTION for each (normal and generic) characters in CHAR-TABLE.
CHECK_CHAR_TABLE (char_table);
- map_char_table ((POINTER_TYPE *) call2, Qnil, char_table, function, 0, indices);
+ /* When Lisp_Object is represented as a union, `call2' cannot directly
+ be passed to map_char_table because it returns a Lisp_Object rather
+ than returning nothing.
+ Casting leads to crashes on some architectures. -stef */
+ map_char_table (void_call2, Qnil, char_table, char_table, function, 0, indices);
return Qnil;
}
for (i = 0; i < leni; i++)
{
int byte;
- byte = XBOOL_VECTOR (seq)->data[i / BITS_PER_CHAR];
- if (byte & (1 << (i % BITS_PER_CHAR)))
+ byte = XBOOL_VECTOR (seq)->data[i / BOOL_VECTOR_BITS_PER_CHAR];
+ if (byte & (1 << (i % BOOL_VECTOR_BITS_PER_CHAR)))
dummy = Qt;
else
dummy = Qnil;
register Lisp_Object *args;
register int i;
struct gcpro gcpro1;
+ Lisp_Object ret;
+ USE_SAFE_ALLOCA;
len = Flength (sequence);
leni = XINT (len);
nargs = leni + leni - 1;
if (nargs < 0) return build_string ("");
- args = (Lisp_Object *) alloca (nargs * sizeof (Lisp_Object));
+ SAFE_ALLOCA_LISP (args, nargs);
GCPRO1 (separator);
mapcar1 (leni, args, function, sequence);
for (i = 1; i < nargs; i += 2)
args[i] = separator;
- return Fconcat (nargs, args);
+ ret = Fconcat (nargs, args);
+ SAFE_FREE_LISP (nargs);
+
+ return ret;
}
DEFUN ("mapcar", Fmapcar, Smapcar, 2, 2, 0,
register Lisp_Object len;
register int leni;
register Lisp_Object *args;
+ Lisp_Object ret;
+ USE_SAFE_ALLOCA;
len = Flength (sequence);
leni = XFASTINT (len);
- args = (Lisp_Object *) alloca (leni * sizeof (Lisp_Object));
+
+ SAFE_ALLOCA_LISP (args, leni);
mapcar1 (leni, args, function, sequence);
- return Flist (leni, args);
+ ret = Flist (leni, args);
+ SAFE_FREE_LISP (leni);
+
+ return ret;
}
DEFUN ("mapc", Fmapc, Smapc, 2, 2, 0,
These floats are not multiplied by 100.
If the 5-minute or 15-minute load averages are not available, return a
-shortened list, containing only those averages which are available. */)
+shortened list, containing only those averages which are available.
+
+An error is thrown if the load average can't be obtained. In some
+cases making it work would require Emacs being installed setuid or
+setgid so that it can read kernel information, and that usually isn't
+advisable. */)
(use_floats)
Lisp_Object use_floats;
{
If FEATURE is not a member of the list `features', then the feature
is not loaded; so load the file FILENAME.
If FILENAME is omitted, the printname of FEATURE is used as the file name,
-and `load' will try to load this name appended with the suffix `.elc',
-`.el' or the unmodified name, in that order.
+and `load' will try to load this name appended with the suffix `.elc' or
+`.el', in that order. The name without appended suffix will not be used.
If the optional third argument NOERROR is non-nil,
then return nil if the file is not found instead of signaling an error.
Normally the return value is FEATURE.
#include <langinfo.h>
#endif
-DEFUN ("langinfo", Flanginfo, Slanginfo, 1, 1, 0,
- doc: /* Access locale data ITEM, if available.
+DEFUN ("locale-info", Flocale_info, Slocale_info, 1, 1, 0,
+ doc: /* Access locale data ITEM for the current C locale, if available.
+ITEM should be one of the following:
-ITEM may be one of the following:
`codeset', returning the character set as a string (locale item CODESET);
+
`days', returning a 7-element vector of day names (locale items DAY_n);
+
`months', returning a 12-element vector of month names (locale items MON_n);
-`paper', returning a list (WIDTH, HEIGHT) for the default paper size,
- where the width and height are in mm (locale items PAPER_WIDTH,
- PAPER_HEIGHT).
+
+`paper', returning a list (WIDTH HEIGHT) for the default paper size,
+ both measured in milimeters (locale items PAPER_WIDTH, PAPER_HEIGHT).
If the system can't provide such information through a call to
-nl_langinfo(3), return nil.
+`nl_langinfo', or if ITEM isn't from the list above, return nil.
See also Info node `(libc)Locales'.
it is consistent with CODESET? If not, what to do? */
Faset (v, make_number (i),
code_convert_string_norecord (val, Vlocale_coding_system,
- Qnil));
+ 0));
}
return v;
}
str = nl_langinfo (months[i]);
val = make_unibyte_string (str, strlen (str));
p->contents[i] =
- code_convert_string_norecord (val, Vlocale_coding_system, Qnil);
+ code_convert_string_norecord (val, Vlocale_coding_system, 0);
}
XSETVECTOR (val, p);
return val;
}
#endif /* PAPER_WIDTH */
#endif /* HAVE_LANGINFO_CODESET*/
- return Qnil;
+ return Qnil;
}
\f
/* base64 encode/decode functions (RFC 2045).
} \
while (IS_BASE64_IGNORABLE (c))
-/* Don't use alloca for regions larger than this, lest we overflow
- their stack. */
-#define MAX_ALLOCA 16*1024
-
/* Table of characters coding the 64 values. */
static char base64_value_to_char[64] =
{
int allength, length;
int ibeg, iend, encoded_length;
int old_pos = PT;
+ USE_SAFE_ALLOCA;
validate_region (&beg, &end);
allength = length + length/3 + 1;
allength += allength / MIME_LINE_LENGTH + 1 + 6;
- if (allength <= MAX_ALLOCA)
- encoded = (char *) alloca (allength);
- else
- encoded = (char *) xmalloc (allength);
+ SAFE_ALLOCA (encoded, char *, allength);
encoded_length = base64_encode_1 (BYTE_POS_ADDR (ibeg), encoded, length,
NILP (no_line_break),
!NILP (current_buffer->enable_multibyte_characters));
if (encoded_length < 0)
{
/* The encoding wasn't possible. */
- if (length > MAX_ALLOCA)
- xfree (encoded);
+ SAFE_FREE (allength);
error ("Multibyte character in data for base64 encoding");
}
and delete the old. (Insert first in order to preserve markers.) */
SET_PT_BOTH (XFASTINT (beg), ibeg);
insert (encoded, encoded_length);
- if (allength > MAX_ALLOCA)
- xfree (encoded);
+ SAFE_FREE (allength);
del_range_byte (ibeg + encoded_length, iend + encoded_length, 1);
/* If point was outside of the region, restore it exactly; else just
int allength, length, encoded_length;
char *encoded;
Lisp_Object encoded_string;
+ USE_SAFE_ALLOCA;
CHECK_STRING (string);
allength += allength / MIME_LINE_LENGTH + 1 + 6;
/* We need to allocate enough room for decoding the text. */
- if (allength <= MAX_ALLOCA)
- encoded = (char *) alloca (allength);
- else
- encoded = (char *) xmalloc (allength);
+ SAFE_ALLOCA (encoded, char *, allength);
encoded_length = base64_encode_1 (SDATA (string),
encoded, length, NILP (no_line_break),
if (encoded_length < 0)
{
/* The encoding wasn't possible. */
- if (length > MAX_ALLOCA)
- xfree (encoded);
+ SAFE_FREE (allength);
error ("Multibyte character in data for base64 encoding");
}
encoded_string = make_unibyte_string (encoded, encoded_length);
- if (allength > MAX_ALLOCA)
- xfree (encoded);
+ SAFE_FREE (allength);
return encoded_string;
}
int decoded_length;
int inserted_chars;
int multibyte = !NILP (current_buffer->enable_multibyte_characters);
+ USE_SAFE_ALLOCA;
validate_region (&beg, &end);
working on a multibyte buffer, each decoded code may occupy at
most two bytes. */
allength = multibyte ? length * 2 : length;
- if (allength <= MAX_ALLOCA)
- decoded = (char *) alloca (allength);
- else
- decoded = (char *) xmalloc (allength);
+ SAFE_ALLOCA (decoded, char *, allength);
move_gap_both (XFASTINT (beg), ibeg);
decoded_length = base64_decode_1 (BYTE_POS_ADDR (ibeg), decoded, length,
if (decoded_length < 0)
{
/* The decoding wasn't possible. */
- if (allength > MAX_ALLOCA)
- xfree (decoded);
+ SAFE_FREE (allength);
error ("Invalid base64 data");
}
and delete the old. (Insert first in order to preserve markers.) */
TEMP_SET_PT_BOTH (XFASTINT (beg), ibeg);
insert_1_both (decoded, inserted_chars, decoded_length, 0, 1, 0);
- if (allength > MAX_ALLOCA)
- xfree (decoded);
+ SAFE_FREE (allength);
+
/* Delete the original text. */
del_range_both (PT, PT_BYTE, XFASTINT (end) + inserted_chars,
iend + decoded_length, 1);
char *decoded;
int length, decoded_length;
Lisp_Object decoded_string;
+ USE_SAFE_ALLOCA;
CHECK_STRING (string);
length = SBYTES (string);
/* We need to allocate enough room for decoding the text. */
- if (length <= MAX_ALLOCA)
- decoded = (char *) alloca (length);
- else
- decoded = (char *) xmalloc (length);
+ SAFE_ALLOCA (decoded, char *, length);
/* The decoded result should be unibyte. */
decoded_length = base64_decode_1 (SDATA (string), decoded, length,
else
decoded_string = Qnil;
- if (length > MAX_ALLOCA)
- xfree (decoded);
+ SAFE_FREE (length);
if (!STRINGP (decoded_string))
error ("Invalid base64 data");
Lisp_Object key;
{
unsigned hash = XUINT (key) ^ XGCTYPE (key);
- xassert ((hash & ~VALMASK) == 0);
+ xassert ((hash & ~INTMASK) == 0);
return hash;
}
hash = sxhash (key, 0);
else
hash = XUINT (key) ^ XGCTYPE (key);
- xassert ((hash & ~VALMASK) == 0);
+ xassert ((hash & ~INTMASK) == 0);
return hash;
}
Lisp_Object key;
{
unsigned hash = sxhash (key, 0);
- xassert ((hash & ~VALMASK) == 0);
+ xassert ((hash & ~INTMASK) == 0);
return hash;
}
index_size = next_almost_prime ((int)
(new_size
/ XFLOATINT (h->rehash_threshold)));
- if (max (index_size, 2 * new_size) & ~VALMASK)
+ if (max (index_size, 2 * new_size) > MOST_POSITIVE_FIXNUM)
error ("Hash table too large to resize");
h->key_and_value = larger_vector (h->key_and_value, 2 * new_size, Qnil);
{
int start_of_bucket, i;
- xassert ((hash & ~VALMASK) == 0);
+ xassert ((hash & ~INTMASK) == 0);
/* Increment count after resizing because resizing may fail. */
maybe_resize_hash_table (h);
/* Make sure key and value survive. */
if (!key_known_to_survive_p)
{
- mark_object (&HASH_KEY (h, i));
+ mark_object (HASH_KEY (h, i));
marked = 1;
}
if (!value_known_to_survive_p)
{
- mark_object (&HASH_VALUE (h, i));
+ mark_object (HASH_VALUE (h, i));
marked = 1;
}
}
hash = ((hash << 3) + (hash >> 28) + c);
}
- return hash & VALMASK;
+ return hash & INTMASK;
}
/* Return a hash code for OBJ. DEPTH is the current depth in the Lisp
- structure. Value is an unsigned integer clipped to VALMASK. */
+ structure. Value is an unsigned integer clipped to INTMASK. */
unsigned
sxhash (obj, depth)
abort ();
}
- return hash & VALMASK;
+ return hash & INTMASK;
}
}
else
{
+ struct buffer *prev = current_buffer;
+
+ record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
+
CHECK_BUFFER (object);
bp = XBUFFER (object);
+ if (bp != current_buffer)
+ set_buffer_internal (bp);
if (NILP (start))
- b = BUF_BEGV (bp);
+ b = BEGV;
else
{
CHECK_NUMBER_COERCE_MARKER (start);
}
if (NILP (end))
- e = BUF_ZV (bp);
+ e = ZV;
else
{
CHECK_NUMBER_COERCE_MARKER (end);
if (b > e)
temp = b, b = e, e = temp;
- if (!(BUF_BEGV (bp) <= b && e <= BUF_ZV (bp)))
+ if (!(BEGV <= b && e <= ZV))
args_out_of_range (start, end);
if (NILP (coding_system))
}
object = make_buffer_string (b, e, 0);
+ if (prev != current_buffer)
+ set_buffer_internal (prev);
+ /* Discard the unwind protect for recovering the current
+ buffer. */
+ specpdl_ptr--;
if (STRING_MULTIBYTE (object))
object = code_convert_string1 (object, coding_system, Qnil, 1);
invoked by mouse clicks and mouse menu items. */);
use_dialog_box = 1;
+ DEFVAR_BOOL ("use-file-dialog", &use_file_dialog,
+ doc: /* *Non-nil means mouse commands use a file dialog to ask for files.
+This applies to commands from menus and tool bar buttons. The value of
+`use-dialog-box' takes precedence over this variable, so a file dialog is only
+used if both `use-dialog-box' and this variable are non-nil. */);
+ use_file_dialog = 1;
+
defsubr (&Sidentity);
defsubr (&Srandom);
defsubr (&Slength);
defsubr (&Sput);
defsubr (&Slax_plist_get);
defsubr (&Slax_plist_put);
+ defsubr (&Seql);
defsubr (&Sequal);
+ defsubr (&Sequal_including_properties);
defsubr (&Sfillarray);
+ defsubr (&Sclear_string);
defsubr (&Schar_table_subtype);
defsubr (&Schar_table_parent);
defsubr (&Sset_char_table_parent);
defsubr (&Sbase64_encode_string);
defsubr (&Sbase64_decode_string);
defsubr (&Smd5);
- defsubr (&Slanginfo);
+ defsubr (&Slocale_info);
}
{
Vweak_hash_tables = Qnil;
}
+
+/* arch-tag: 787f8219-5b74-46bd-8469-7e1cc475fa31
+ (do not change this comment) */