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patch 8.0.1410: hang when using count() with an empty string

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Problem:    Hang when using count() with an empty string.
Solution:   Return zero for an empty string. (Dominique Pelle, closes #2465)
This commit is contained in:
Bram Moolenaar
2017-12-19 11:55:26 +01:00
parent 132f75255e
commit 338e47fdfd
4 changed files with 7 additions and 4 deletions
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2
src/evalfunc.c
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@@ -2382,7 +2382,7 @@ f_count(typval_T *argvars, typval_T *rettv)
char_u *p = argvars[0].vval.v_string;
char_u *next;
if (!error && expr != NULL && p != NULL)
if (!error && expr != NULL && *expr != NUL && p != NULL)
{
if (ic)
{