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patch 8.1.2152: problems navigating tags file on MacOS Catalina

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Problem:    Problems navigating tags file on MacOS Catalina.
Solution:   Use fseek instead of lseek. (John Lamb, fixes #5061)
This commit is contained in:
Bram Moolenaar 2019-10-15 22:23:37 +02:00
parent 3c8cd4a1dc
commit 27fc8cab22
2 changed files with 13 additions and 11 deletions
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22
src/tag.c
View File

@ -2198,23 +2198,23 @@ line_read_in:
#endif
#ifdef FEAT_TAG_BINS
/*
* When starting a binary search, get the size of the file and
* compute the first offset.
*/
// When starting a binary search, get the size of the file and
// compute the first offset.
if (state == TS_BINARY)
{
/* Get the tag file size (don't use mch_fstat(), it's not
* portable). */
if ((filesize = vim_lseek(fileno(fp),
(off_T)0L, SEEK_END)) <= 0)
if (vim_fseek(fp, 0L, SEEK_END) != 0)
// can't seek, don't use binary search
state = TS_LINEAR;
else
{
vim_lseek(fileno(fp), (off_T)0L, SEEK_SET);
// Get the tag file size (don't use mch_fstat(), it's
// not portable). Don't use lseek(), it doesn't work
// properly on MacOS Catalina.
filesize = vim_ftell(fp);
vim_fseek(fp, 0L, SEEK_SET);
/* Calculate the first read offset in the file. Start
* the search in the middle of the file. */
// Calculate the first read offset in the file. Start
// the search in the middle of the file.
search_info.low_offset = 0;
search_info.low_char = 0;
search_info.high_offset = filesize;

2
src/version.c
View File

@ -753,6 +753,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
2152,
/**/
2151,
/**/