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comparison src/tag.c @ 26492:08e3eee541ac v8.2.3776

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patch 8.2.3776: when a tags file line is long a tag may not be found Commit: https://github.com/vim/vim/commit/f8e9eb8e173bf0ff9560192ae888941ef8302269 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 10 20:15:15 2021 +0000 patch 8.2.3776: when a tags file line is long a tag may not be found Problem: When a tags file line is long a tag may not be found. Solution: When increasing the buffer size read the same line again.
author Bram Moolenaar <Bram@vim.org>
date Fri, 10 Dec 2021 21:30:03 +0100
parents 65b4109a4297
children 13ba00ef7687
comparison
equal deleted inserted replaced
26491:653b058ee612 26492:08e3eee541ac
2009 search_info.curr_offset_used = search_info.curr_offset; 2009 search_info.curr_offset_used = search_info.curr_offset;
2010 vim_fseek(fp, search_info.curr_offset, SEEK_SET); 2010 vim_fseek(fp, search_info.curr_offset, SEEK_SET);
2011 eof = vim_fgets(lbuf, lbuf_size, fp); 2011 eof = vim_fgets(lbuf, lbuf_size, fp);
2012 if (!eof && search_info.curr_offset != 0) 2012 if (!eof && search_info.curr_offset != 0)
2013 { 2013 {
2014 // The explicit cast is to work around a bug in gcc 3.4.2
2015 // (repeated below).
2016 search_info.curr_offset = vim_ftell(fp); 2014 search_info.curr_offset = vim_ftell(fp);
2017 if (search_info.curr_offset == search_info.high_offset) 2015 if (search_info.curr_offset == search_info.high_offset)
2018 { 2016 {
2019 // oops, gone a bit too far; try from low offset 2017 // oops, gone a bit too far; try from low offset
2020 vim_fseek(fp, search_info.low_offset, SEEK_SET); 2018 vim_fseek(fp, search_info.low_offset, SEEK_SET);
2050 #ifdef FEAT_CSCOPE 2048 #ifdef FEAT_CSCOPE
2051 if (use_cscope) 2049 if (use_cscope)
2052 eof = cs_fgets(lbuf, lbuf_size); 2050 eof = cs_fgets(lbuf, lbuf_size);
2053 else 2051 else
2054 #endif 2052 #endif
2053 {
2054 search_info.curr_offset = vim_ftell(fp);
2055 eof = vim_fgets(lbuf, lbuf_size, fp); 2055 eof = vim_fgets(lbuf, lbuf_size, fp);
2056 }
2056 } while (!eof && vim_isblankline(lbuf)); 2057 } while (!eof && vim_isblankline(lbuf));
2057 2058
2058 if (eof) 2059 if (eof)
2059 { 2060 {
2060 #ifdef FEAT_EMACS_TAGS 2061 #ifdef FEAT_EMACS_TAGS
2292 lbuf_size *= 2; 2293 lbuf_size *= 2;
2293 vim_free(lbuf); 2294 vim_free(lbuf);
2294 lbuf = alloc(lbuf_size); 2295 lbuf = alloc(lbuf_size);
2295 if (lbuf == NULL) 2296 if (lbuf == NULL)
2296 goto findtag_end; 2297 goto findtag_end;
2298
2299 if (state == TS_STEP_FORWARD)
2300 // Seek to the same position to read the same line again
2301 vim_fseek(fp, search_info.curr_offset, SEEK_SET);
2297 #ifdef FEAT_TAG_BINS 2302 #ifdef FEAT_TAG_BINS
2298 // this will try the same thing again, make sure the offset is 2303 // this will try the same thing again, make sure the offset is
2299 // different 2304 // different
2300 search_info.curr_offset = 0; 2305 search_info.curr_offset = 0;
2301 #endif 2306 #endif