229                                       vt_line_t *line, int *beg_char_index,  in convert_col_to_char_index()  argument
243   *beg_char_index = vt_convert_col_to_char_index(line, &rest, beg_col, 0);  in convert_col_to_char_index()
245   if ((end = vt_line_get_num_filled_chars_except_sp(line)) <= *beg_char_index ||  in convert_col_to_char_index()
246       (end == *beg_char_index + 1 && rest > 0)) {  in convert_col_to_char_index()
247     *beg_char_index = end;  in convert_col_to_char_index()
248   } else if ((beg = vt_line_beg_char_index_regarding_rtl(line)) > *beg_char_index) {  in convert_col_to_char_index()
249     *beg_char_index = beg;  in convert_col_to_char_index()
262   int beg_char_index;  in reverse_or_restore_color_rect()  local
278       convert_col_to_char_index(screen, line, &beg_char_index, &end_char_index, beg_col, end_col);  in reverse_or_restore_color_rect()
280       for (char_index = beg_char_index; char_index < end_char_index; char_index++) {  in reverse_or_restore_color_rect()
290                                     int beg_char_index, int beg_row, int end_char_index,  in reverse_or_restore_color()  argument
308   bl_debug_printf(BL_DEBUG_TAG " reverse/restore region: %d %d %d %d\n", beg_char_index, beg_row,  in reverse_or_restore_color()
329       if (row > beg_row || beg_char_index >= size_except_sp) {  in reverse_or_restore_color()
330         beg_char_index = BL_MAX(size_except_sp, 1) - 1;  in reverse_or_restore_color()
331       } else if (beg_char_index < beg_regarding_rtl) {  in reverse_or_restore_color()
335       if (row > beg_row || beg_char_index < beg_regarding_rtl) {  in reverse_or_restore_color()
336         beg_char_index = beg_regarding_rtl;  in reverse_or_restore_color()
337       } else if (beg_char_index >= size_except_sp) {  in reverse_or_restore_color()
352       for (char_index = beg_regarding_rtl; char_index <= beg_char_index; char_index++) {  in reverse_or_restore_color()
356       for (char_index = beg_char_index; char_index < size_except_sp; char_index++) {  in reverse_or_restore_color()
382       beg_char_index = BL_MAX(size_except_sp, 1) - 1;  in reverse_or_restore_color()
384       beg_char_index = beg_regarding_rtl;  in reverse_or_restore_color()
392       for (char_index = BL_MAX(end_char_index, beg_regarding_rtl); char_index <= beg_char_index;  in reverse_or_restore_color()
399       for (char_index = beg_char_index; char_index < BL_MIN(end_char_index + 1, size_except_sp);  in reverse_or_restore_color()
416   int beg_char_index;  in check_or_copy_region_rect()  local
433       convert_col_to_char_index(screen, line, &beg_char_index, &end_char_index, beg_col, end_col);  in check_or_copy_region_rect()
435       size = end_char_index - beg_char_index;  in check_or_copy_region_rect()
438         vt_line_copy_logical_str(line, chars + region_size, beg_char_index, size);  in check_or_copy_region_rect()
459     u_int num_chars, int beg_char_index, /* can be over size_except_sp */  in check_or_copy_region()  argument
479   bl_debug_printf(BL_DEBUG_TAG " check/copy region: %d %d %d %d\n", beg_char_index, beg_row,  in check_or_copy_region()
499       if (row > beg_row || beg_char_index >= size_except_sp) {  in check_or_copy_region()
500         beg_char_index = BL_MAX(size_except_sp, 1) - 1;  in check_or_copy_region()
501       } else if (beg_char_index < beg_regarding_rtl) {  in check_or_copy_region()
505       if (row > beg_row || beg_char_index < beg_regarding_rtl) {  in check_or_copy_region()
506         beg_char_index = beg_regarding_rtl;  in check_or_copy_region()
507       } else if (beg_char_index >= size_except_sp) {  in check_or_copy_region()
524       size = beg_char_index - beg_regarding_rtl + 1;  in check_or_copy_region()
530       size = size_except_sp - beg_char_index;  in check_or_copy_region()
533         vt_line_copy_logical_str(line, chars + region_size, beg_char_index, size);  in check_or_copy_region()
574       beg_char_index = BL_MAX(size_except_sp, 1) - 1;  in check_or_copy_region()
576       beg_char_index = beg_regarding_rtl;  in check_or_copy_region()
590       if (beg_row == end_row && beg_char_index < end_char_index) {  in check_or_copy_region()
592         end_char_index = beg_char_index;  in check_or_copy_region()
593         beg_char_index = tmp;  in check_or_copy_region()
596       size = beg_char_index - end_char_index + 1;  in check_or_copy_region()
610       size = end_char_index - beg_char_index + 1;  in check_or_copy_region()
613         vt_line_copy_logical_str(line, chars + region_size, beg_char_index, size);  in check_or_copy_region()
1699 int vt_screen_reverse_color(vt_screen_t *screen, int beg_char_index, int beg_row,  in vt_screen_reverse_color()  argument
1702     return reverse_or_restore_color_rect(screen, beg_char_index, beg_row, end_char_index, end_row,  in vt_screen_reverse_color()
1705     return reverse_or_restore_color(screen, beg_char_index, beg_row, end_char_index, end_row,  in vt_screen_reverse_color()
1710 int vt_screen_restore_color(vt_screen_t *screen, int beg_char_index, int beg_row,  in vt_screen_restore_color()  argument
1713     return reverse_or_restore_color_rect(screen, beg_char_index, beg_row, end_char_index, end_row,  in vt_screen_restore_color()
1716     return reverse_or_restore_color(screen, beg_char_index, beg_row, end_char_index, end_row,  in vt_screen_restore_color()
1722                             int beg_char_index, int beg_row, int end_char_index, int end_row,  in vt_screen_copy_region()  argument
1725     return check_or_copy_region_rect(screen, chars, num_chars, beg_char_index, beg_row,  in vt_screen_copy_region()
1728     return check_or_copy_region(screen, chars, num_chars, beg_char_index, beg_row,  in vt_screen_copy_region()
1733 u_int vt_screen_get_region_size(vt_screen_t *screen, int beg_char_index, int beg_row,  in vt_screen_get_region_size()  argument
1736     return check_or_copy_region_rect(screen, NULL, 0, beg_char_index, beg_row, end_char_index,  in vt_screen_get_region_size()
1739     return check_or_copy_region(screen, NULL, 0, beg_char_index, beg_row, end_char_index, end_row);  in vt_screen_get_region_size()
1793 int vt_screen_get_word_region(vt_screen_t *screen, int *beg_char_index, int *beg_row,  in vt_screen_get_word_region()  argument
1817     vt_screen_get_word_region(screen, beg_char_index, beg_row, end_char_index, end_row,  in vt_screen_get_word_region()
1823     if ((len = check_or_copy_region(screen, NULL, 0, *beg_char_index, *beg_row, *end_char_index,  in vt_screen_get_word_region()
1830       check_or_copy_region(screen, str, len, *beg_char_index, *beg_row, *end_char_index, *end_row);  in vt_screen_get_word_region()
1855     *beg_char_index = base_char_index;  in vt_screen_get_word_region()
1876         *beg_char_index = char_index;  in vt_screen_get_word_region()
1890       *beg_char_index = char_index + 1;  in vt_screen_get_word_region()
1933                   base_row, *beg_char_index, *beg_row, *end_char_index, *end_row);  in vt_screen_get_word_region()
1982                           int *beg_char_index, /* visual position is returned */  in vt_screen_search_find()  argument
2028   *beg_char_index = screen->search->char_index;  in vt_screen_search_find()
2033   bl_debug_printf(BL_DEBUG_TAG " Search start from %d %d\n", *beg_char_index, *beg_row);  in vt_screen_search_find()
2056                                                   : BL_MIN(*beg_char_index + 1, line_len));  in vt_screen_search_find()
2057       *beg_char_index = 0;  in vt_screen_search_find()
2060         *beg_char_index = 0;  in vt_screen_search_find()
2061       } else if (line_len <= *beg_char_index) {  in vt_screen_search_find()
2065       vt_str_parser_set_str(parser, line_str + (*beg_char_index), line_len - *beg_char_index);  in vt_screen_search_find()
2078       comb = vt_get_combining_chars(line_str + (*beg_char_index), &comb_size);  in vt_screen_search_find()
2091           } else if ((++(*beg_char_index)) >= line_len - 1) {  in vt_screen_search_find()
2094             comb = vt_get_combining_chars(line_str + (*beg_char_index), &comb_size);  in vt_screen_search_find()
2099       *end_char_index = (*beg_char_index) - 1;  in vt_screen_search_find()
2119       if (*end_char_index < *beg_char_index) {  in vt_screen_search_find()
2126         if (*beg_char_index > 0) {  in vt_screen_search_find()
2127           screen->search->char_index = *beg_char_index - 1;  in vt_screen_search_find()
2134         screen->search->char_index = *beg_char_index + 1;  in vt_screen_search_find()
2151       beg = vt_line_convert_logical_char_index_to_visual(line, *beg_char_index, NULL);  in vt_screen_search_find()
2155         *beg_char_index = end;  in vt_screen_search_find()
2158         *beg_char_index = beg;  in vt_screen_search_find()
2166         char_index = -(*beg_char_index);  in vt_screen_search_find()
2167         *beg_char_index = -(*end_char_index);  in vt_screen_search_find()