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patch 8.2.1333: Vim9: memory leak when using nested global function

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Problem:    Vim9: memory leak when using nested global function.
Solution:   Swap from and to when copying the lines.
This commit is contained in:
Bram Moolenaar
2020-08-01 00:03:09 +02:00
parent ce6583568f
commit af8edbb8dc
3 changed files with 21 additions and 18 deletions
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6
src/userfunc.c
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@@ -1188,10 +1188,10 @@ copy_func(char_u *lambda, char_u *global)
fp->uf_flags = (ufunc->uf_flags & ~FC_VIM9) | FC_COPY;
fp->uf_def_status = ufunc->uf_def_status;
fp->uf_dfunc_idx = ufunc->uf_dfunc_idx;
if (ga_copy_strings(&fp->uf_args, &ufunc->uf_args) == FAIL
|| ga_copy_strings(&fp->uf_def_args, &ufunc->uf_def_args)
if (ga_copy_strings(&ufunc->uf_args, &fp->uf_args) == FAIL
|| ga_copy_strings(&ufunc->uf_def_args, &fp->uf_def_args)
== FAIL
|| ga_copy_strings(&fp->uf_lines, &ufunc->uf_lines) == FAIL)
|| ga_copy_strings(&ufunc->uf_lines, &fp->uf_lines) == FAIL)
goto failed;
fp->uf_name_exp = ufunc->uf_name_exp == NULL ? NULL