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patch 8.2.2136: Vim9: Using uninitialized variable

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Problem:    Vim9: Using uninitialized variable.
Solution:   Initialize "len" to zero.  Clean up fnamemodify().
This commit is contained in:
Bram Moolenaar
2020-12-13 12:25:35 +01:00
parent 93f82cbee5
commit c530852315
2 changed files with 7 additions and 4 deletions
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9
src/filepath.c
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@@ -1019,7 +1019,7 @@ f_fnamemodify(typval_T *argvars, typval_T *rettv)
char_u *fname;
char_u *mods;
int usedlen = 0;
int len;
int len = 0;
char_u *fbuf = NULL;
char_u buf[NUMBUFLEN];
@@ -1028,12 +1028,13 @@ f_fnamemodify(typval_T *argvars, typval_T *rettv)
return;
fname = tv_get_string_chk(&argvars[0]);
mods = tv_get_string_buf_chk(&argvars[1], buf);
if (fname == NULL)
if (mods == NULL || fname == NULL)
fname = NULL;
else if (mods != NULL && *mods != NUL)
else
{
len = (int)STRLEN(fname);
(void)modify_fname(mods, FALSE, &usedlen, &fname, &fbuf, &len);
if (mods != NULL && *mods != NUL)
(void)modify_fname(mods, FALSE, &usedlen, &fname, &fbuf, &len);
}
rettv->v_type = VAR_STRING;