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Cleaning up, improving comments, and renaming a variable. 

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5761 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
master
Benno Schulenberg 2016-03-23 10:19:01 +00:00
parent 8704dde873
commit 4b2751c3b9
3 changed files with 19 additions and 23 deletions
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1
ChangeLog
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@ -2,6 +2,7 @@
* src/search.c (findnextstr): Prevent the internal spell checker from
finding the first occurrence twice. And delete the piece of dead code
that was meant to do this. This fixes Savannah bug #47188.
* src/search.c (findnextstr): Clean up and rename a variable.
2016-03-22 Thomas Rosenau <thomasr@fantasymail.de>
* configure.ac, src/*.c: Check for the existence of the REG_ENHANCED

2
src/proto.h
View File

@ -588,7 +588,7 @@ bool findnextstr(
bool whole_word_only,
#endif
const filestruct *begin, size_t begin_x,
const char *needle, size_t *needle_len);
const char *needle, size_t *match_len);
void findnextstr_wrap_reset(void);
void do_search(void);
#ifndef NANO_TINY

37
src/search.c
View File

@ -249,19 +249,17 @@ int search_init(bool replacing, bool use_answer)
/* Look for needle, starting at (current, current_x). begin is the line
* where we first started searching, at column begin_x. The return
* value specifies whether we found anything. If we did, set needle_len
* value specifies whether we found anything. If we did, set match_len
* to the length of the string we found if it isn't NULL. */
bool findnextstr(
#ifndef DISABLE_SPELLER
bool whole_word_only,
#endif
const filestruct *begin, size_t begin_x,
const char *needle, size_t *needle_len)
const char *needle, size_t *match_len)
{
size_t found_len;
/* The length of the match we find. */
size_t current_x_find = 0;
/* The location in the current line of the match we find. */
ssize_t current_y_find = openfile->current_y;
filestruct *fileptr = openfile->current;
const char *rev_start = fileptr->data, *found = NULL;
@ -279,8 +277,9 @@ bool findnextstr(
#endif
move_mbright(fileptr->data, openfile->current_x);
/* Look for needle in the current line we're searching. */
enable_nodelay();
/* Start searching through the lines, looking for the needle. */
while (TRUE) {
if (time(NULL) - lastkbcheck > 1) {
int input = parse_kbinput(edit);
@ -293,9 +292,9 @@ bool findnextstr(
}
}
/* Search for the needle in the current line. */
found = strstrwrapper(fileptr->data, needle, rev_start);
/* We've found a potential match. */
if (found != NULL) {
#ifndef DISABLE_SPELLER
bool found_whole = FALSE;
@ -308,8 +307,7 @@ bool findnextstr(
return FALSE;
}
#endif
/* Set found_len to the length of the potential match. */
/* Remember the length of the potential match. */
found_len =
#ifdef HAVE_REGEX_H
ISSET(USE_REGEXP) ?
@ -318,8 +316,7 @@ bool findnextstr(
strlen(needle);
#ifndef DISABLE_SPELLER
/* If we're searching for whole words, see if this potential
* match is a whole word. */
/* If we're searching for whole words, see if it is. */
if (whole_word_only) {
char *word = mallocstrncpy(NULL, found, found_len + 1);
word[found_len] = '\0';
@ -336,8 +333,8 @@ bool findnextstr(
break;
}
/* If we're back at the beginning, then there is no needle. */
if (search_last_line) {
/* We've finished processing the file, so get out. */
not_found_msg(needle);
disable_nodelay();
return FALSE;
@ -355,8 +352,8 @@ bool findnextstr(
current_y_find++;
}
/* If we've reached the start or end of the buffer, wrap around. */
if (fileptr == NULL) {
/* We've reached the start or end of the buffer, so wrap around. */
#ifndef NANO_TINY
if (ISSET(BACKWARDS_SEARCH)) {
fileptr = openfile->filebot;
@ -370,10 +367,11 @@ bool findnextstr(
statusbar(_("Search Wrapped"));
}
/* If we've reached the original starting line, take note. */
if (fileptr == begin)
/* We've reached the original starting line. */
search_last_line = TRUE;
/* Set the starting x to the start or end of the line. */
rev_start = fileptr->data;
#ifndef NANO_TINY
if (ISSET(BACKWARDS_SEARCH))
@ -381,20 +379,17 @@ bool findnextstr(
#endif
}
/* We found an instance. */
current_x_find = found - fileptr->data;
disable_nodelay();
/* We've definitely found something. */
/* Set the current position to point at what we found. */
openfile->current = fileptr;
openfile->current_x = current_x_find;
openfile->current_x = found - fileptr->data;
openfile->placewewant = xplustabs();
openfile->current_y = current_y_find;
/* needle_len holds the length of needle. */
if (needle_len != NULL)
*needle_len = found_len;
/* When requested, pass back the length of the match. */
if (match_len != NULL)
*match_len = found_len;
return TRUE;
}