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for consistency, revert handling of cases where a search string and a
match to it are not the same length in bytes, since the same technique can't be made to work with tab completion matches git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2893 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
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@ -70,11 +70,6 @@ CVS code -
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do_cursorpos(). (DLR)
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- Change the NANO_WIDE #define to ENABLE_UTF8, as the latter is
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clearer. (DLR)
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- Properly handle cases where a search string and a match to it
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are not the same length in bytes, i.e, when the latter
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contains invalid multibyte characters interpreted as normal
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characters. Changes to mbstrncasecmp(), mbstrcasestr(),
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mbrevstrcasestr(), findnextstr(), and do_replace_loop(). (DLR)
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- Make sure that the current position in the history list is
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properly set to the bottom if we cancel out of the prompt.
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New function history_reset(); changes to nanogetstr(). (DLR)
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20
src/chars.c
20
src/chars.c
@ -475,6 +475,7 @@ int mbstrncasecmp(const char *s1, const char *s2, size_t n)
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assert(s1 != NULL && s2 != NULL);
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while (n > 0 && *s1 != '\0' && *s2 != '\0') {
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bool bad_s1_mb = FALSE, bad_s2_mb = FALSE;
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int s1_mb_len, s2_mb_len;
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s1_mb_len = parse_mbchar(s1, s1_mb, NULL, NULL);
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@ -482,6 +483,7 @@ int mbstrncasecmp(const char *s1, const char *s2, size_t n)
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if (mbtowc(&ws1, s1_mb, s1_mb_len) <= 0) {
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mbtowc(NULL, NULL, 0);
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ws1 = (unsigned char)*s1_mb;
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bad_s1_mb = TRUE;
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}
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s2_mb_len = parse_mbchar(s2, s2_mb, NULL, NULL);
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@ -489,9 +491,11 @@ int mbstrncasecmp(const char *s1, const char *s2, size_t n)
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if (mbtowc(&ws2, s2_mb, s2_mb_len) <= 0) {
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mbtowc(NULL, NULL, 0);
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ws2 = (unsigned char)*s2_mb;
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bad_s2_mb = TRUE;
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}
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if (n == 0 || towlower(ws1) != towlower(ws2))
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if (n == 0 || bad_s1_mb != bad_s2_mb ||
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towlower(ws1) != towlower(ws2))
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break;
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s1 += s1_mb_len;
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@ -546,11 +550,14 @@ const char *mbstrcasestr(const char *haystack, const char *needle)
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int r_mb_len, q_mb_len;
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while (*q != '\0') {
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bool bad_r_mb = FALSE, bad_q_mb = FALSE;
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r_mb_len = parse_mbchar(r, r_mb, NULL, NULL);
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if (mbtowc(&wr, r_mb, r_mb_len) <= 0) {
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mbtowc(NULL, NULL, 0);
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wr = (unsigned char)*r;
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bad_r_mb = TRUE;
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}
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q_mb_len = parse_mbchar(q, q_mb, NULL, NULL);
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@ -558,9 +565,11 @@ const char *mbstrcasestr(const char *haystack, const char *needle)
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if (mbtowc(&wq, q_mb, q_mb_len) <= 0) {
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mbtowc(NULL, NULL, 0);
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wq = (unsigned char)*q;
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bad_q_mb = TRUE;
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}
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if (towlower(wr) != towlower(wq))
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if (bad_r_mb != bad_q_mb ||
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towlower(wr) != towlower(wq))
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break;
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r += r_mb_len;
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@ -647,11 +656,14 @@ const char *mbrevstrcasestr(const char *haystack, const char *needle,
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int r_mb_len, q_mb_len;
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while (*q != '\0') {
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bool bad_r_mb = FALSE, bad_q_mb = FALSE;
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r_mb_len = parse_mbchar(r, r_mb, NULL, NULL);
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if (mbtowc(&wr, r_mb, r_mb_len) <= 0) {
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mbtowc(NULL, NULL, 0);
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wr = (unsigned char)*r;
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bad_r_mb = TRUE;
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}
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q_mb_len = parse_mbchar(q, q_mb, NULL, NULL);
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@ -659,9 +671,11 @@ const char *mbrevstrcasestr(const char *haystack, const char *needle,
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if (mbtowc(&wq, q_mb, q_mb_len) <= 0) {
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mbtowc(NULL, NULL, 0);
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wq = (unsigned char)*q;
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bad_q_mb = TRUE;
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}
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if (towlower(wr) != towlower(wq))
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if (bad_r_mb != bad_q_mb ||
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towlower(wr) != towlower(wq))
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break;
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r += r_mb_len;
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29
src/search.c
29
src/search.c
@ -321,21 +321,12 @@ bool findnextstr(bool can_display_wrap, bool wholeword, bool
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/* Is this potential match a whole word? */
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/* Set found_len to the length of the potential match. */
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found_len =
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#ifdef HAVE_REGEX_H
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if (ISSET(USE_REGEXP))
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found_len = regmatches[0].rm_eo - regmatches[0].rm_so;
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else
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ISSET(USE_REGEXP) ?
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regmatches[0].rm_eo - regmatches[0].rm_so :
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#endif
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{
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size_t needle_len = mbstrlen(needle);
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/* Get found's length in single-byte characters. */
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found_len = 0;
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for (; needle_len > 0; needle_len--)
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found_len += parse_mbchar(found + found_len, NULL,
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NULL, NULL);
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}
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strlen(needle);
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/* If we're searching for whole words, see if this potential
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* match is a whole word. */
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@ -793,21 +784,13 @@ ssize_t do_replace_loop(const char *needle, const filestruct
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#endif
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if (i > 0 || replaceall) { /* Yes, replace it!!!! */
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char *match, *copy;
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char *copy;
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size_t length_change;
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if (i == 2)
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replaceall = TRUE;
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/* Make sure the string we replace is the match's length in
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* single-byte characters. */
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match = mallocstrncpy(NULL, openfile->current->data +
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openfile->current_x, match_len + 1);
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match[match_len] = '\0';
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copy = replace_line(match);
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free(match);
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copy = replace_line(needle);
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length_change = strlen(copy) -
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strlen(openfile->current->data);
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