/* String search routines for GNU Emacs.
- Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2012
- Free Software Foundation, Inc.
+
+Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2012
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
/* Error condition used for failing searches. */
static Lisp_Object Qsearch_failed;
-static void set_search_regs (EMACS_INT, EMACS_INT);
+static void set_search_regs (ptrdiff_t, ptrdiff_t);
static void save_search_regs (void);
-static EMACS_INT simple_search (EMACS_INT, unsigned char *, EMACS_INT,
- EMACS_INT, Lisp_Object, EMACS_INT, EMACS_INT,
- EMACS_INT, EMACS_INT);
-static EMACS_INT boyer_moore (EMACS_INT, unsigned char *, EMACS_INT,
- Lisp_Object, Lisp_Object, EMACS_INT,
- EMACS_INT, int);
-static EMACS_INT search_buffer (Lisp_Object, EMACS_INT, EMACS_INT,
- EMACS_INT, EMACS_INT, EMACS_INT, int,
+static EMACS_INT simple_search (EMACS_INT, unsigned char *, ptrdiff_t,
+ ptrdiff_t, Lisp_Object, ptrdiff_t, ptrdiff_t,
+ ptrdiff_t, ptrdiff_t);
+static EMACS_INT boyer_moore (EMACS_INT, unsigned char *, ptrdiff_t,
+ Lisp_Object, Lisp_Object, ptrdiff_t,
+ ptrdiff_t, int);
+static EMACS_INT search_buffer (Lisp_Object, ptrdiff_t, ptrdiff_t,
+ ptrdiff_t, ptrdiff_t, EMACS_INT, int,
Lisp_Object, Lisp_Object, int);
static void matcher_overflow (void) NO_RETURN;
{
Lisp_Object val;
unsigned char *p1, *p2;
- EMACS_INT s1, s2;
- register EMACS_INT i;
+ ptrdiff_t s1, s2;
+ register ptrdiff_t i;
struct re_pattern_buffer *bufp;
if (running_asynch_code)
static Lisp_Object
string_match_1 (Lisp_Object regexp, Lisp_Object string, Lisp_Object start, int posix)
{
- EMACS_INT val;
+ ptrdiff_t val;
struct re_pattern_buffer *bufp;
- EMACS_INT pos, pos_byte;
- int i;
+ EMACS_INT pos;
+ ptrdiff_t pos_byte, i;
if (running_asynch_code)
save_search_regs ();
pos = 0, pos_byte = 0;
else
{
- EMACS_INT len = SCHARS (string);
+ ptrdiff_t len = SCHARS (string);
CHECK_NUMBER (start);
pos = XINT (start);
and return the index of the match, or negative on failure.
This does not clobber the match data. */
-EMACS_INT
+ptrdiff_t
fast_string_match (Lisp_Object regexp, Lisp_Object string)
{
- EMACS_INT val;
+ ptrdiff_t val;
struct re_pattern_buffer *bufp;
bufp = compile_pattern (regexp, 0, Qnil,
This does not clobber the match data.
We assume that STRING contains single-byte characters. */
-EMACS_INT
+ptrdiff_t
fast_c_string_match_ignore_case (Lisp_Object regexp, const char *string)
{
- EMACS_INT val;
+ ptrdiff_t val;
struct re_pattern_buffer *bufp;
size_t len = strlen (string);
/* Like fast_string_match but ignore case. */
-EMACS_INT
+ptrdiff_t
fast_string_match_ignore_case (Lisp_Object regexp, Lisp_Object string)
{
- EMACS_INT val;
+ ptrdiff_t val;
struct re_pattern_buffer *bufp;
bufp = compile_pattern (regexp, 0, Vascii_canon_table,
indices into the string. This function doesn't modify the match
data. */
-EMACS_INT
-fast_looking_at (Lisp_Object regexp, EMACS_INT pos, EMACS_INT pos_byte, EMACS_INT limit, EMACS_INT limit_byte, Lisp_Object string)
+ptrdiff_t
+fast_looking_at (Lisp_Object regexp, ptrdiff_t pos, ptrdiff_t pos_byte, ptrdiff_t limit, ptrdiff_t limit_byte, Lisp_Object string)
{
int multibyte;
struct re_pattern_buffer *buf;
unsigned char *p1, *p2;
- EMACS_INT s1, s2;
- EMACS_INT len;
+ ptrdiff_t s1, s2;
+ ptrdiff_t len;
if (STRINGP (string))
{
If ALLOW_QUIT is non-zero, set immediate_quit. That's good to do
except when inside redisplay. */
-EMACS_INT
-scan_buffer (register int target, EMACS_INT start, EMACS_INT end,
- EMACS_INT count, EMACS_INT *shortage, int allow_quit)
+ptrdiff_t
+scan_buffer (register int target, ptrdiff_t start, ptrdiff_t end,
+ ptrdiff_t count, ptrdiff_t *shortage, int allow_quit)
{
struct region_cache *newline_cache;
int direction;
the position of the last character before the next such
obstacle --- the last character the dumb search loop should
examine. */
- EMACS_INT ceiling_byte = CHAR_TO_BYTE (end) - 1;
- EMACS_INT start_byte = CHAR_TO_BYTE (start);
- EMACS_INT tem;
+ ptrdiff_t ceiling_byte = CHAR_TO_BYTE (end) - 1;
+ ptrdiff_t start_byte = CHAR_TO_BYTE (start);
+ ptrdiff_t tem;
/* If we're looking for a newline, consult the newline cache
to see where we can avoid some scanning. */
while (start > end)
{
/* The last character to check before the next obstacle. */
- EMACS_INT ceiling_byte = CHAR_TO_BYTE (end);
- EMACS_INT start_byte = CHAR_TO_BYTE (start);
- EMACS_INT tem;
+ ptrdiff_t ceiling_byte = CHAR_TO_BYTE (end);
+ ptrdiff_t start_byte = CHAR_TO_BYTE (start);
+ ptrdiff_t tem;
/* Consult the newline cache, if appropriate. */
if (target == '\n' && newline_cache)
except in special cases. */
EMACS_INT
-scan_newline (EMACS_INT start, EMACS_INT start_byte,
- EMACS_INT limit, EMACS_INT limit_byte,
+scan_newline (ptrdiff_t start, ptrdiff_t start_byte,
+ ptrdiff_t limit, ptrdiff_t limit_byte,
register EMACS_INT count, int allow_quit)
{
int direction = ((count > 0) ? 1 : -1);
register unsigned char *cursor;
unsigned char *base;
- EMACS_INT ceiling;
+ ptrdiff_t ceiling;
register unsigned char *ceiling_addr;
int old_immediate_quit = immediate_quit;
return count * direction;
}
-EMACS_INT
-find_next_newline_no_quit (EMACS_INT from, EMACS_INT cnt)
+ptrdiff_t
+find_next_newline_no_quit (ptrdiff_t from, ptrdiff_t cnt)
{
- return scan_buffer ('\n', from, 0, cnt, (EMACS_INT *) 0, 0);
+ return scan_buffer ('\n', from, 0, cnt, (ptrdiff_t *) 0, 0);
}
/* Like find_next_newline, but returns position before the newline,
not after, and only search up to TO. This isn't just
find_next_newline (...)-1, because you might hit TO. */
-EMACS_INT
-find_before_next_newline (EMACS_INT from, EMACS_INT to, EMACS_INT cnt)
+ptrdiff_t
+find_before_next_newline (ptrdiff_t from, ptrdiff_t to, ptrdiff_t cnt)
{
- EMACS_INT shortage;
- EMACS_INT pos = scan_buffer ('\n', from, to, cnt, &shortage, 1);
+ ptrdiff_t shortage;
+ ptrdiff_t pos = scan_buffer ('\n', from, to, cnt, &shortage, 1);
if (shortage == 0)
pos--;
Lisp_Object count, int direction, int RE, int posix)
{
register EMACS_INT np;
- EMACS_INT lim, lim_byte;
+ EMACS_INT lim;
+ ptrdiff_t lim_byte;
EMACS_INT n = direction;
if (!NILP (count))
static int
trivial_regexp_p (Lisp_Object regexp)
{
- EMACS_INT len = SBYTES (regexp);
+ ptrdiff_t len = SBYTES (regexp);
unsigned char *s = SDATA (regexp);
while (--len >= 0)
{
static struct re_registers search_regs_1;
static EMACS_INT
-search_buffer (Lisp_Object string, EMACS_INT pos, EMACS_INT pos_byte,
- EMACS_INT lim, EMACS_INT lim_byte, EMACS_INT n,
+search_buffer (Lisp_Object string, ptrdiff_t pos, ptrdiff_t pos_byte,
+ ptrdiff_t lim, ptrdiff_t lim_byte, EMACS_INT n,
int RE, Lisp_Object trt, Lisp_Object inverse_trt, int posix)
{
- EMACS_INT len = SCHARS (string);
- EMACS_INT len_byte = SBYTES (string);
- register int i;
+ ptrdiff_t len = SCHARS (string);
+ ptrdiff_t len_byte = SBYTES (string);
+ register ptrdiff_t i;
if (running_asynch_code)
save_search_regs ();
if (RE && !(trivial_regexp_p (string) && NILP (Vsearch_spaces_regexp)))
{
unsigned char *p1, *p2;
- EMACS_INT s1, s2;
+ ptrdiff_t s1, s2;
struct re_pattern_buffer *bufp;
bufp = compile_pattern (string,
while (n < 0)
{
- EMACS_INT val;
+ ptrdiff_t val;
val = re_search_2 (bufp, (char *) p1, s1, (char *) p2, s2,
pos_byte - BEGV_BYTE, lim_byte - pos_byte,
(NILP (Vinhibit_changing_match_data)
}
while (n > 0)
{
- EMACS_INT val;
+ ptrdiff_t val;
val = re_search_2 (bufp, (char *) p1, s1, (char *) p2, s2,
pos_byte - BEGV_BYTE, lim_byte - pos_byte,
(NILP (Vinhibit_changing_match_data)
else /* non-RE case */
{
unsigned char *raw_pattern, *pat;
- EMACS_INT raw_pattern_size;
- EMACS_INT raw_pattern_size_byte;
+ ptrdiff_t raw_pattern_size;
+ ptrdiff_t raw_pattern_size_byte;
unsigned char *patbuf;
int multibyte = !NILP (BVAR (current_buffer, enable_multibyte_characters));
unsigned char *base_pat;
static EMACS_INT
simple_search (EMACS_INT n, unsigned char *pat,
- EMACS_INT len, EMACS_INT len_byte, Lisp_Object trt,
- EMACS_INT pos, EMACS_INT pos_byte,
- EMACS_INT lim, EMACS_INT lim_byte)
+ ptrdiff_t len, ptrdiff_t len_byte, Lisp_Object trt,
+ ptrdiff_t pos, ptrdiff_t pos_byte,
+ ptrdiff_t lim, ptrdiff_t lim_byte)
{
int multibyte = ! NILP (BVAR (current_buffer, enable_multibyte_characters));
int forward = n > 0;
/* Number of buffer bytes matched. Note that this may be different
from len_byte in a multibyte buffer. */
- EMACS_INT match_byte;
+ ptrdiff_t match_byte;
if (lim > pos && multibyte)
while (n > 0)
while (1)
{
/* Try matching at position POS. */
- EMACS_INT this_pos = pos;
- EMACS_INT this_pos_byte = pos_byte;
- EMACS_INT this_len = len;
+ ptrdiff_t this_pos = pos;
+ ptrdiff_t this_pos_byte = pos_byte;
+ ptrdiff_t this_len = len;
unsigned char *p = pat;
if (pos + len > lim || pos_byte + len_byte > lim_byte)
goto stop;
while (1)
{
/* Try matching at position POS. */
- EMACS_INT this_pos = pos;
- EMACS_INT this_len = len;
+ ptrdiff_t this_pos = pos;
+ ptrdiff_t this_len = len;
unsigned char *p = pat;
if (pos + len > lim)
while (1)
{
/* Try matching at position POS. */
- EMACS_INT this_pos = pos;
- EMACS_INT this_pos_byte = pos_byte;
- EMACS_INT this_len = len;
+ ptrdiff_t this_pos = pos;
+ ptrdiff_t this_pos_byte = pos_byte;
+ ptrdiff_t this_len = len;
const unsigned char *p = pat + len_byte;
if (this_pos - len < lim || (pos_byte - len_byte) < lim_byte)
while (1)
{
/* Try matching at position POS. */
- EMACS_INT this_pos = pos - len;
- EMACS_INT this_len = len;
+ ptrdiff_t this_pos = pos - len;
+ ptrdiff_t this_len = len;
unsigned char *p = pat;
if (this_pos < lim)
static EMACS_INT
boyer_moore (EMACS_INT n, unsigned char *base_pat,
- EMACS_INT len_byte,
+ ptrdiff_t len_byte,
Lisp_Object trt, Lisp_Object inverse_trt,
- EMACS_INT pos_byte, EMACS_INT lim_byte,
+ ptrdiff_t pos_byte, ptrdiff_t lim_byte,
int char_base)
{
int direction = ((n > 0) ? 1 : -1);
- register EMACS_INT dirlen;
- EMACS_INT limit;
+ register ptrdiff_t dirlen;
+ ptrdiff_t limit;
int stride_for_teases = 0;
int BM_tab[0400];
register unsigned char *cursor, *p_limit;
- register EMACS_INT i;
+ register ptrdiff_t i;
register int j;
unsigned char *pat, *pat_end;
int multibyte = ! NILP (BVAR (current_buffer, enable_multibyte_characters));
char if reverse) of pattern would align in a possible match. */
while (n != 0)
{
- EMACS_INT tail_end;
+ ptrdiff_t tail_end;
unsigned char *tail_end_ptr;
/* It's been reported that some (broken) compiler thinks that
cursor += dirlen - i - direction; /* fix cursor */
if (i + direction == 0)
{
- EMACS_INT position, start, end;
+ ptrdiff_t position, start, end;
cursor -= direction;
pos_byte += dirlen - i - direction;
if (i + direction == 0)
{
- EMACS_INT position, start, end;
+ ptrdiff_t position, start, end;
pos_byte -= direction;
position = pos_byte + ((direction > 0) ? 1 - len_byte : 0);
Also clear out the match data for registers 1 and up. */
static void
-set_search_regs (EMACS_INT beg_byte, EMACS_INT nbytes)
+set_search_regs (ptrdiff_t beg_byte, ptrdiff_t nbytes)
{
- int i;
+ ptrdiff_t i;
if (!NILP (Vinhibit_changing_match_data))
return;
XSETBUFFER (last_thing_searched, current_buffer);
}
\f
-DEFUN ("word-search-regexp", Fword_search_regexp, Sword_search_regexp, 1, 2, 0,
- doc: /* Return a regexp which matches words, ignoring punctuation.
-Given STRING, a string of words separated by word delimiters,
-compute a regexp that matches those exact words separated by
-arbitrary punctuation. If LAX is non-nil, the end of the string
-need not match a word boundary unless it ends in whitespace.
-
-Used in `word-search-forward', `word-search-backward',
-`word-search-forward-lax', `word-search-backward-lax'. */)
- (Lisp_Object string, Lisp_Object lax)
-{
- register unsigned char *o;
- register EMACS_INT i, i_byte, len, punct_count = 0, word_count = 0;
- Lisp_Object val;
- int prev_c = 0;
- EMACS_INT adjust;
- int whitespace_at_end;
-
- CHECK_STRING (string);
- len = SCHARS (string);
-
- for (i = 0, i_byte = 0; i < len; )
- {
- int c;
-
- FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE (c, string, i, i_byte);
-
- if (SYNTAX (c) != Sword)
- {
- punct_count++;
- if (SYNTAX (prev_c) == Sword)
- word_count++;
- }
-
- prev_c = c;
- }
-
- if (SYNTAX (prev_c) == Sword)
- {
- word_count++;
- whitespace_at_end = 0;
- }
- else
- {
- whitespace_at_end = 1;
- if (!word_count)
- return empty_unibyte_string;
- }
-
- adjust = - punct_count + 5 * (word_count - 1)
- + ((!NILP (lax) && !whitespace_at_end) ? 2 : 4);
- if (STRING_MULTIBYTE (string))
- val = make_uninit_multibyte_string (len + adjust,
- SBYTES (string)
- + adjust);
- else
- val = make_uninit_string (len + adjust);
-
- o = SDATA (val);
- *o++ = '\\';
- *o++ = 'b';
- prev_c = 0;
-
- for (i = 0, i_byte = 0; i < len; )
- {
- int c;
- EMACS_INT i_byte_orig = i_byte;
-
- FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE (c, string, i, i_byte);
-
- if (SYNTAX (c) == Sword)
- {
- memcpy (o, SDATA (string) + i_byte_orig, i_byte - i_byte_orig);
- o += i_byte - i_byte_orig;
- }
- else if (SYNTAX (prev_c) == Sword && --word_count)
- {
- *o++ = '\\';
- *o++ = 'W';
- *o++ = '\\';
- *o++ = 'W';
- *o++ = '*';
- }
-
- prev_c = c;
- }
-
- if (NILP (lax) || whitespace_at_end)
- {
- *o++ = '\\';
- *o++ = 'b';
- }
-
- return val;
-}
-\f
DEFUN ("search-backward", Fsearch_backward, Ssearch_backward, 1, 4,
"MSearch backward: ",
doc: /* Search backward from point for STRING.
return search_command (string, bound, noerror, count, 1, 0, 0);
}
-DEFUN ("word-search-backward", Fword_search_backward, Sword_search_backward, 1, 4,
- "sWord search backward: ",
- doc: /* Search backward from point for STRING, ignoring differences in punctuation.
-Set point to the beginning of the occurrence found, and return point.
-An optional second argument bounds the search; it is a buffer position.
-The match found must not extend before that position.
-Optional third argument, if t, means if fail just return nil (no error).
- If not nil and not t, move to limit of search and return nil.
-Optional fourth argument is repeat count--search for successive occurrences.
-
-Relies on the function `word-search-regexp' to convert a sequence
-of words in STRING to a regexp used to search words without regard
-to punctuation. */)
- (Lisp_Object string, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
-{
- return search_command (Fword_search_regexp (string, Qnil), bound, noerror, count, -1, 1, 0);
-}
-
-DEFUN ("word-search-forward", Fword_search_forward, Sword_search_forward, 1, 4,
- "sWord search: ",
- doc: /* Search forward from point for STRING, ignoring differences in punctuation.
-Set point to the end of the occurrence found, and return point.
-An optional second argument bounds the search; it is a buffer position.
-The match found must not extend after that position.
-Optional third argument, if t, means if fail just return nil (no error).
- If not nil and not t, move to limit of search and return nil.
-Optional fourth argument is repeat count--search for successive occurrences.
-
-Relies on the function `word-search-regexp' to convert a sequence
-of words in STRING to a regexp used to search words without regard
-to punctuation. */)
- (Lisp_Object string, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
-{
- return search_command (Fword_search_regexp (string, Qnil), bound, noerror, count, 1, 1, 0);
-}
-
-DEFUN ("word-search-backward-lax", Fword_search_backward_lax, Sword_search_backward_lax, 1, 4,
- "sWord search backward: ",
- doc: /* Search backward from point for STRING, ignoring differences in punctuation.
-Set point to the beginning of the occurrence found, and return point.
-
-Unlike `word-search-backward', the end of STRING need not match a word
-boundary unless it ends in whitespace.
-
-An optional second argument bounds the search; it is a buffer position.
-The match found must not extend before that position.
-Optional third argument, if t, means if fail just return nil (no error).
- If not nil and not t, move to limit of search and return nil.
-Optional fourth argument is repeat count--search for successive occurrences.
-
-Relies on the function `word-search-regexp' to convert a sequence
-of words in STRING to a regexp used to search words without regard
-to punctuation. */)
- (Lisp_Object string, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
-{
- return search_command (Fword_search_regexp (string, Qt), bound, noerror, count, -1, 1, 0);
-}
-
-DEFUN ("word-search-forward-lax", Fword_search_forward_lax, Sword_search_forward_lax, 1, 4,
- "sWord search: ",
- doc: /* Search forward from point for STRING, ignoring differences in punctuation.
-Set point to the end of the occurrence found, and return point.
-
-Unlike `word-search-forward', the end of STRING need not match a word
-boundary unless it ends in whitespace.
-
-An optional second argument bounds the search; it is a buffer position.
-The match found must not extend after that position.
-Optional third argument, if t, means if fail just return nil (no error).
- If not nil and not t, move to limit of search and return nil.
-Optional fourth argument is repeat count--search for successive occurrences.
-
-Relies on the function `word-search-regexp' to convert a sequence
-of words in STRING to a regexp used to search words without regard
-to punctuation. */)
- (Lisp_Object string, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
-{
- return search_command (Fword_search_regexp (string, Qt), bound, noerror, count, 1, 1, 0);
-}
-
DEFUN ("re-search-backward", Fre_search_backward, Sre_search_backward, 1, 4,
"sRE search backward: ",
doc: /* Search backward from point for match for regular expression REGEXP.
(Lisp_Object newtext, Lisp_Object fixedcase, Lisp_Object literal, Lisp_Object string, Lisp_Object subexp)
{
enum { nochange, all_caps, cap_initial } case_action;
- register EMACS_INT pos, pos_byte;
+ register ptrdiff_t pos, pos_byte;
int some_multiletter_word;
int some_lowercase;
int some_uppercase;
int some_nonuppercase_initial;
register int c, prevc;
ptrdiff_t sub;
- EMACS_INT opoint, newpoint;
+ ptrdiff_t opoint, newpoint;
CHECK_STRING (newtext);
if (NILP (fixedcase))
{
/* Decide how to casify by examining the matched text. */
- EMACS_INT last;
+ ptrdiff_t last;
pos = search_regs.start[sub];
last = search_regs.end[sub];
if desired. */
if (NILP (literal))
{
- EMACS_INT lastpos = 0;
- EMACS_INT lastpos_byte = 0;
+ ptrdiff_t lastpos = 0;
+ ptrdiff_t lastpos_byte = 0;
/* We build up the substituted string in ACCUM. */
Lisp_Object accum;
Lisp_Object middle;
- EMACS_INT length = SBYTES (newtext);
+ ptrdiff_t length = SBYTES (newtext);
accum = Qnil;
for (pos_byte = 0, pos = 0; pos_byte < length;)
{
- EMACS_INT substart = -1;
- EMACS_INT subend = 0;
+ ptrdiff_t substart = -1;
+ ptrdiff_t subend = 0;
int delbackslash = 0;
FETCH_STRING_CHAR_ADVANCE (c, newtext, pos, pos_byte);
}
else if (c >= '1' && c <= '9')
{
- if (search_regs.start[c - '0'] >= 0
- && c <= search_regs.num_regs + '0')
+ if (c - '0' < search_regs.num_regs
+ && 0 <= search_regs.start[c - '0'])
{
substart = search_regs.start[c - '0'];
subend = search_regs.end[c - '0'];
if (c == '&')
idx = sub;
- else if (c >= '1' && c <= '9' && c <= search_regs.num_regs + '0')
+ else if (c >= '1' && c <= '9' && c - '0' < search_regs.num_regs)
{
if (search_regs.start[c - '0'] >= 1)
idx = c - '0';
{
if (buf_multibyte)
{
- EMACS_INT nchars =
+ ptrdiff_t nchars =
multibyte_chars_in_text (substed, substed_len);
newtext = make_multibyte_string ((char *) substed, nchars,
/* Adjust search data for this change. */
{
- EMACS_INT oldend = search_regs.end[sub];
- EMACS_INT oldstart = search_regs.start[sub];
- EMACS_INT change = newpoint - search_regs.end[sub];
- int i;
+ ptrdiff_t oldend = search_regs.end[sub];
+ ptrdiff_t oldstart = search_regs.start[sub];
+ ptrdiff_t change = newpoint - search_regs.end[sub];
+ ptrdiff_t i;
for (i = 0; i < search_regs.num_regs; i++)
{
{
Lisp_Object tail, prev;
Lisp_Object *data;
- int i, len;
+ ptrdiff_t i, len;
if (!NILP (reseat))
for (tail = reuse; CONSP (tail); tail = XCDR (tail))
len = 0;
for (i = 0; i < search_regs.num_regs; i++)
{
- EMACS_INT start = search_regs.start[i];
+ ptrdiff_t start = search_regs.start[i];
if (start >= 0)
{
if (EQ (last_thing_searched, Qt)
/* Allocate registers if they don't already exist. */
{
- ptrdiff_t length = XFASTINT (Flength (list)) / 2;
+ EMACS_INT length = XFASTINT (Flength (list)) / 2;
if (length > search_regs.num_regs)
{
ptrdiff_t num_regs = search_regs.num_regs;
+ if (PTRDIFF_MAX < length)
+ memory_full (SIZE_MAX);
search_regs.start =
xpalloc (search_regs.start, &num_regs, length - num_regs,
min (PTRDIFF_MAX, UINT_MAX), sizeof (regoff_t));
}
else
{
- EMACS_INT from;
+ Lisp_Object from;
Lisp_Object m;
m = marker;
}
CHECK_NUMBER_COERCE_MARKER (marker);
- from = XINT (marker);
+ from = marker;
if (!NILP (reseat) && MARKERP (m))
{
XSETFASTINT (marker, 0);
CHECK_NUMBER_COERCE_MARKER (marker);
- search_regs.start[i] = from;
- search_regs.end[i] = XINT (marker);
+ if ((XINT (from) < 0
+ ? TYPE_MINIMUM (regoff_t) <= XINT (from)
+ : XINT (from) <= TYPE_MAXIMUM (regoff_t))
+ && (XINT (marker) < 0
+ ? TYPE_MINIMUM (regoff_t) <= XINT (marker)
+ : XINT (marker) <= TYPE_MAXIMUM (regoff_t)))
+ {
+ search_regs.start[i] = XINT (from);
+ search_regs.end[i] = XINT (marker);
+ }
+ else
+ {
+ search_regs.start[i] = -1;
+ }
if (!NILP (reseat) && MARKERP (m))
{
defsubr (&Sposix_string_match);
defsubr (&Ssearch_forward);
defsubr (&Ssearch_backward);
- defsubr (&Sword_search_regexp);
- defsubr (&Sword_search_forward);
- defsubr (&Sword_search_backward);
- defsubr (&Sword_search_forward_lax);
- defsubr (&Sword_search_backward_lax);
defsubr (&Sre_search_forward);
defsubr (&Sre_search_backward);
defsubr (&Sposix_search_forward);
HCoop / bpt / emacs.git / blobdiff