};
/* The instances of that struct. */
-struct regexp_cache searchbufs[REGEXP_CACHE_SIZE];
+static struct regexp_cache searchbufs[REGEXP_CACHE_SIZE];
/* The head of the linked list; points to the most recently used buffer. */
-struct regexp_cache *searchbuf_head;
+static struct regexp_cache *searchbuf_head;
/* Every call to re_match, etc., must pass &search_regs as the regs
/* error condition signaled when regexp compile_pattern fails */
-Lisp_Object Qinvalid_regexp;
+static Lisp_Object Qinvalid_regexp;
/* Error condition used for failing searches */
-Lisp_Object Qsearch_failed;
+static Lisp_Object Qsearch_failed;
static void set_search_regs (EMACS_INT, EMACS_INT);
static void save_search_regs (void);
static Lisp_Object
string_match_1 (Lisp_Object regexp, Lisp_Object string, Lisp_Object start, int posix)
{
- int val;
+ EMACS_INT val;
struct re_pattern_buffer *bufp;
EMACS_INT pos, pos_byte;
int i;
and return the index of the match, or negative on failure.
This does not clobber the match data. */
-int
+EMACS_INT
fast_string_match (Lisp_Object regexp, Lisp_Object string)
{
- int val;
+ EMACS_INT 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. */
-int
+EMACS_INT
fast_c_string_match_ignore_case (Lisp_Object regexp, const char *string)
{
- int val;
+ EMACS_INT val;
struct re_pattern_buffer *bufp;
size_t len = strlen (string);
/* Like fast_string_match but ignore case. */
-int
+EMACS_INT
fast_string_match_ignore_case (Lisp_Object regexp, Lisp_Object string)
{
- int val;
+ EMACS_INT val;
struct re_pattern_buffer *bufp;
bufp = compile_pattern (regexp, 0, Vascii_canon_table,
EMACS_INT
scan_buffer (register int target, EMACS_INT start, EMACS_INT end,
- EMACS_INT count, int *shortage, int allow_quit)
+ EMACS_INT count, EMACS_INT *shortage, int allow_quit)
{
struct region_cache *newline_cache;
int direction;
to see where we can avoid some scanning. */
if (target == '\n' && newline_cache)
{
- EMACS_INT next_change;
+ ptrdiff_t next_change;
immediate_quit = 0;
while (region_cache_forward
(current_buffer, newline_cache, start_byte, &next_change))
/* Consult the newline cache, if appropriate. */
if (target == '\n' && newline_cache)
{
- EMACS_INT next_change;
+ ptrdiff_t next_change;
immediate_quit = 0;
while (region_cache_backward
(current_buffer, newline_cache, start_byte, &next_change))
EMACS_INT
find_next_newline_no_quit (EMACS_INT from, EMACS_INT cnt)
{
- return scan_buffer ('\n', from, 0, cnt, (int *) 0, 0);
+ return scan_buffer ('\n', from, 0, cnt, (EMACS_INT *) 0, 0);
}
/* Like find_next_newline, but returns position before the newline,
EMACS_INT
find_before_next_newline (EMACS_INT from, EMACS_INT to, EMACS_INT cnt)
{
- int shortage;
+ EMACS_INT shortage;
EMACS_INT pos = scan_buffer ('\n', from, to, cnt, &shortage, 1);
if (shortage == 0)
search_command (Lisp_Object string, Lisp_Object bound, Lisp_Object noerror,
Lisp_Object count, int direction, int RE, int posix)
{
- register int np;
+ register EMACS_INT np;
EMACS_INT lim, lim_byte;
- int n = direction;
+ EMACS_INT n = direction;
if (!NILP (count))
{
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.
+
+Search case-sensitivity is determined by the value of the variable
+`case-fold-search', which see.
+
See also the functions `match-beginning', `match-end', `match-string',
and `replace-match'. */)
(Lisp_Object regexp, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
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.
+
+Search case-sensitivity is determined by the value of the variable
+`case-fold-search', which see.
+
See also the functions `match-beginning', `match-end', `match-string',
and `replace-match'. */)
(Lisp_Object regexp, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
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.
+
+Search case-sensitivity is determined by the value of the variable
+`case-fold-search', which see.
+
See also the functions `match-beginning', `match-end', `match-string',
and `replace-match'. */)
(Lisp_Object regexp, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
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.
+
+Search case-sensitivity is determined by the value of the variable
+`case-fold-search', which see.
+
See also the functions `match-beginning', `match-end', `match-string',
and `replace-match'. */)
(Lisp_Object regexp, Lisp_Object bound, Lisp_Object noerror, Lisp_Object count)
/* We build up the substituted string in ACCUM. */
Lisp_Object accum;
Lisp_Object middle;
- int length = SBYTES (newtext);
+ EMACS_INT length = SBYTES (newtext);
accum = Qnil;
perform substitution on the replacement string. */
if (NILP (literal))
{
- EMACS_INT length = SBYTES (newtext);
+ ptrdiff_t length = SBYTES (newtext);
unsigned char *substed;
- EMACS_INT substed_alloc_size, substed_len;
+ ptrdiff_t substed_alloc_size, substed_len;
int buf_multibyte = !NILP (BVAR (current_buffer, enable_multibyte_characters));
int str_multibyte = STRING_MULTIBYTE (newtext);
int really_changed = 0;
- substed_alloc_size = length * 2 + 100;
- substed = (unsigned char *) xmalloc (substed_alloc_size + 1);
+ substed_alloc_size = ((STRING_BYTES_BOUND - 100) / 2 < length
+ ? STRING_BYTES_BOUND
+ : length * 2 + 100);
+ substed = (unsigned char *) xmalloc (substed_alloc_size);
substed_len = 0;
/* Go thru NEWTEXT, producing the actual text to insert in
{
unsigned char str[MAX_MULTIBYTE_LENGTH];
const unsigned char *add_stuff = NULL;
- EMACS_INT add_len = 0;
+ ptrdiff_t add_len = 0;
int idx = -1;
if (str_multibyte)
set up ADD_STUFF and ADD_LEN to point to it. */
if (idx >= 0)
{
- EMACS_INT begbyte = CHAR_TO_BYTE (search_regs.start[idx]);
+ ptrdiff_t begbyte = CHAR_TO_BYTE (search_regs.start[idx]);
add_len = CHAR_TO_BYTE (search_regs.end[idx]) - begbyte;
if (search_regs.start[idx] < GPT && GPT < search_regs.end[idx])
move_gap (search_regs.start[idx]);
is invariably ADD_LEN bytes starting at ADD_STUFF. */
/* Make sure SUBSTED is big enough. */
- if (substed_len + add_len >= substed_alloc_size)
- {
- substed_alloc_size = substed_len + add_len + 500;
- substed = (unsigned char *) xrealloc (substed,
- substed_alloc_size + 1);
- }
+ if (substed_alloc_size - substed_len < add_len)
+ substed =
+ xpalloc (substed, &substed_alloc_size,
+ add_len - (substed_alloc_size - substed_len),
+ STRING_BYTES_BOUND, 1);
/* Now add to the end of SUBSTED. */
if (add_stuff)
len = 0;
for (i = 0; i < search_regs.num_regs; i++)
{
- int start = search_regs.start[i];
+ EMACS_INT start = search_regs.start[i];
if (start >= 0)
{
if (EQ (last_thing_searched, Qt)
If optional arg RESEAT is non-nil, make markers on LIST point nowhere. */)
(register Lisp_Object list, Lisp_Object reseat)
{
- register int i;
+ ptrdiff_t i;
register Lisp_Object marker;
if (running_asynch_code)
/* Allocate registers if they don't already exist. */
{
- int length = XFASTINT (Flength (list)) / 2;
+ ptrdiff_t length = XFASTINT (Flength (list)) / 2;
if (length > search_regs.num_regs)
{
- if (search_regs.num_regs == 0)
- {
- search_regs.start
- = (regoff_t *) xmalloc (length * sizeof (regoff_t));
- search_regs.end
- = (regoff_t *) xmalloc (length * sizeof (regoff_t));
- }
- else
- {
- search_regs.start
- = (regoff_t *) xrealloc (search_regs.start,
- length * sizeof (regoff_t));
- search_regs.end
- = (regoff_t *) xrealloc (search_regs.end,
- length * sizeof (regoff_t));
- }
-
- for (i = search_regs.num_regs; i < length; i++)
+ ptrdiff_t num_regs = search_regs.num_regs;
+ search_regs.start =
+ xpalloc (search_regs.start, &num_regs, length - num_regs,
+ min (PTRDIFF_MAX, UINT_MAX), sizeof (regoff_t));
+ search_regs.end =
+ xrealloc (search_regs.end, num_regs * sizeof (regoff_t));
+
+ for (i = search_regs.num_regs; i < num_regs; i++)
search_regs.start[i] = -1;
- search_regs.num_regs = length;
+ search_regs.num_regs = num_regs;
}
for (i = 0; CONSP (list); i++)
}
searchbuf_head = &searchbufs[0];
- Qsearch_failed = intern_c_string ("search-failed");
- staticpro (&Qsearch_failed);
- Qinvalid_regexp = intern_c_string ("invalid-regexp");
- staticpro (&Qinvalid_regexp);
+ DEFSYM (Qsearch_failed, "search-failed");
+ DEFSYM (Qinvalid_regexp, "invalid-regexp");
Fput (Qsearch_failed, Qerror_conditions,
pure_cons (Qsearch_failed, pure_cons (Qerror, Qnil)));
HCoop / bpt / emacs.git / blobdiff