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patch 8.2.0387: error for possible NULL argument to qsort()

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Problem:    Error for possible NULL argument to qsort().
Solution:   Don't call qsort() when there is nothing to sort. (Dominique
            Pelle, closes #5780)
This commit is contained in:
Bram Moolenaar
2020-03-15 18:15:03 +01:00
parent 0bdbc10e8a
commit bb65a5690c
2 changed files with 17 additions and 10 deletions
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25
src/spellsuggest.c
View File

@@ -3719,17 +3719,22 @@ cleanup_suggestions(
suggest_T *stp = &SUG(*gap, 0);
int i;
// Sort the list.
qsort(gap->ga_data, (size_t)gap->ga_len, sizeof(suggest_T), sug_compare);
// Truncate the list to the number of suggestions that will be displayed.
if (gap->ga_len > keep)
if (gap->ga_len > 0)
{
for (i = keep; i < gap->ga_len; ++i)
vim_free(stp[i].st_word);
gap->ga_len = keep;
if (keep >= 1)
return stp[keep - 1].st_score;
// Sort the list.
qsort(gap->ga_data, (size_t)gap->ga_len, sizeof(suggest_T),
sug_compare);
// Truncate the list to the number of suggestions that will be
// displayed.
if (gap->ga_len > keep)
{
for (i = keep; i < gap->ga_len; ++i)
vim_free(stp[i].st_word);
gap->ga_len = keep;
if (keep >= 1)
return stp[keep - 1].st_score;
}
}
return maxscore;
}

2
src/version.c
View File

@@ -738,6 +738,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
387,
/**/
386,
/**/