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patch 8.2.2866: Vim9: memory leak when using inline function

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Problem:    Vim9: memory leak when using inline function.
Solution:   Remember what strings to free.
This commit is contained in:
Bram Moolenaar
2021-05-18 15:09:18 +02:00
parent d87c21a918
commit ecb664501d
4 changed files with 21 additions and 8 deletions
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13
src/userfunc.c
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@@ -976,6 +976,7 @@ lambda_function_body(
{
int evaluate = (evalarg->eval_flags & EVAL_EVALUATE);
garray_T *gap = &evalarg->eval_ga;
garray_T *freegap = &evalarg->eval_freega;
ufunc_T *ufunc = NULL;
exarg_T eap;
garray_T newlines;
@@ -1026,7 +1027,7 @@ lambda_function_body(
{
char_u *p = skipwhite(((char_u **)newlines.ga_data)[idx]);
if (ga_grow(gap, 1) == FAIL)
if (ga_grow(gap, 1) == FAIL || ga_grow(freegap, 1) == FAIL)
goto erret;
// Going to concatenate the lines after parsing. For an empty or
@@ -1039,10 +1040,10 @@ lambda_function_body(
pnl = vim_strnsave((char_u *)"\n", plen + 1);
if (pnl != NULL)
mch_memmove(pnl + 1, p, plen + 1);
((char_u **)gap->ga_data)[gap->ga_len] = pnl;
++gap->ga_len;
((char_u **)gap->ga_data)[gap->ga_len++] = pnl;
((char_u **)freegap->ga_data)[freegap->ga_len++] = pnl;
}
if (ga_grow(gap, 1) == FAIL)
if (ga_grow(gap, 1) == FAIL || ga_grow(freegap, 1) == FAIL)
goto erret;
if (cmdline != NULL)
// more is following after the "}", which was skipped
@@ -1054,8 +1055,8 @@ lambda_function_body(
pnl = vim_strnsave((char_u *)"\n", plen + 1);
if (pnl != NULL)
mch_memmove(pnl + 1, last, plen + 1);
((char_u **)gap->ga_data)[gap->ga_len] = pnl;
++gap->ga_len;
((char_u **)gap->ga_data)[gap->ga_len++] = pnl;
((char_u **)freegap->ga_data)[freegap->ga_len++] = pnl;
}
if (cmdline != NULL)