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patch 9.0.0016: comparing line pointer for 'breakindent' is not reliable

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Problem:    Comparing line pointer for 'breakindent' is not reliable.
Solution:   Make a copy of the line.
This commit is contained in:
Bram Moolenaar
2022-07-01 13:15:35 +01:00
parent 79ae152697
commit c2a79b87fc
3 changed files with 17 additions and 18 deletions
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20
src/indent.c
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@@ -924,7 +924,8 @@ get_breakindent_win(
{
static int prev_indent = 0; // cached indent value
static long prev_ts = 0L; // cached tabstop value
static char_u *prev_line = NULL; // cached pointer to line
static int prev_fnum = 0; // cached buffer number
static char_u *prev_line = NULL; // cached copy of "line"
static varnumber_T prev_tick = 0; // changedtick of cached value
# ifdef FEAT_VARTABS
static int *prev_vts = NULL; // cached vartabs values
@@ -941,21 +942,28 @@ get_breakindent_win(
? number_width(wp) + 1 : 0);
// used cached indent, unless
// - line pointer changed
// - buffer changed
// - 'tabstop' changed
// - buffer was changed
// - 'briopt_list changed' changed or
// - 'formatlistpattern' changed
if (prev_line != line || prev_ts != wp->w_buffer->b_p_ts
// - line changed
// - 'vartabs' changed
if (prev_fnum != wp->w_buffer->b_fnum
|| prev_ts != wp->w_buffer->b_p_ts
|| prev_tick != CHANGEDTICK(wp->w_buffer)
|| prev_listopt != wp->w_briopt_list
|| (prev_flp == NULL
|| (STRCMP(prev_flp, get_flp_value(wp->w_buffer)) != 0))
|| prev_flp == NULL
|| STRCMP(prev_flp, get_flp_value(wp->w_buffer)) != 0
|| prev_line == NULL || STRCMP(prev_line, line) != 0
# ifdef FEAT_VARTABS
|| prev_vts != wp->w_buffer->b_p_vts_array
# endif
)
{
prev_line = line;
prev_fnum = wp->w_buffer->b_fnum;
vim_free(prev_line);
prev_line = vim_strsave(line);
prev_ts = wp->w_buffer->b_p_ts;
prev_tick = CHANGEDTICK(wp->w_buffer);
# ifdef FEAT_VARTABS