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patch 9.0.0225: using freed memory with multiple line breaks in expression

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Problem:    Using freed memory with multiple line breaks in expression.
Solution:   Free eval_tofree later.
This commit is contained in:
Bram Moolenaar
2022-08-18 13:28:31 +01:00
parent 4875d6ab06
commit 91c7cbfe31
5 changed files with 77 additions and 59 deletions
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4
src/proto/eval.pro
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@@ -9,6 +9,8 @@ int eval_expr_valid_arg(typval_T *tv);
int eval_expr_typval(typval_T *expr, typval_T *argv, int argc, typval_T *rettv);
int eval_expr_to_bool(typval_T *expr, int *error);
char_u *eval_to_string_skip(char_u *arg, exarg_T *eap, int skip);
void init_evalarg(evalarg_T *evalarg);
void clear_evalarg(evalarg_T *evalarg, exarg_T *eap);
int skip_expr(char_u **pp, evalarg_T *evalarg);
int skip_expr_concatenate(char_u **arg, char_u **start, char_u **end, evalarg_T *evalarg);
char_u *typval2string(typval_T *tv, int convert);
@@ -34,8 +36,6 @@ int pattern_match(char_u *pat, char_u *text, int ic);
char_u *eval_next_non_blank(char_u *arg, evalarg_T *evalarg, int *getnext);
char_u *eval_next_line(char_u *arg, evalarg_T *evalarg);
char_u *skipwhite_and_linebreak(char_u *arg, evalarg_T *evalarg);
void init_evalarg(evalarg_T *evalarg);
void clear_evalarg(evalarg_T *evalarg, exarg_T *eap);
int eval0(char_u *arg, typval_T *rettv, exarg_T *eap, evalarg_T *evalarg);
int eval0_retarg(char_u *arg, typval_T *rettv, exarg_T *eap, evalarg_T *evalarg, char_u **retarg);
int eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg);