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| author | Bram Moolenaar <Bram@vim.org> | 2021-05-26 19:49:09 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2021-05-26 19:49:09 +0200 |
| commit | 4c8e8c6e19b75d632b042aa0ba0a2ab769b2162e (patch) | |
| tree | 872b4fd5b1f177b09972f344cfc1f20ff3246736 /src/ex_docmd.c | |
| parent | 34fcb697240c1bc9e69417ed75db3b1a83479724 (diff) | |
| download | vim-git-4c8e8c6e19b75d632b042aa0ba0a2ab769b2162e.tar.gz | |
patch 8.2.2887: crash when passing null string to fullcommand()v8.2.2887
Problem: Crash when passing null string to fullcommand().
Solution: Check for NULL pointer. (closes #8256)
Diffstat (limited to 'src/ex_docmd.c')
| -rw-r--r-- | src/ex_docmd.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/ex_docmd.c b/src/ex_docmd.c index 2738f4f4d..b52629ed1 100644 --- a/src/ex_docmd.c +++ b/src/ex_docmd.c @@ -3791,12 +3791,15 @@ f_fullcommand(typval_T *argvars, typval_T *rettv) char_u *name = argvars[0].vval.v_string; char_u *p; - while (name[0] != NUL && name[0] == ':') + rettv->v_type = VAR_STRING; + rettv->vval.v_string = NULL; + if (name == NULL) + return; + + while (*name != NUL && *name == ':') name++; name = skip_range(name, TRUE, NULL); - rettv->v_type = VAR_STRING; - ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name; ea.cmdidx = (cmdidx_T)0; p = find_ex_command(&ea, NULL, NULL, NULL); |