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authorSean Dewar <seandewar@users.noreply.github.com>2020-11-25 17:27:39 +0000
committerSean Dewar <seandewar@users.noreply.github.com>2021-09-15 21:54:00 +0100
commitc1b8731ece81cdbc43fbb6050eaf12e84abdc4b0 (patch)
treeff537217a607c7acf930b6913d531750dcafbb51 /src/nvim/eval/funcs.c
parentd346ac536fbb7716e6a0d0f5ca7af9c39ec95de0 (diff)
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vim-patch:8.1.0755: error message for get() on a Blob with invalid index
Problem: Error message for get() on a Blob with invalid index. Solution: Return an empty Blob, like get() on a List does. https://github.com/vim/vim/commit/2ea773b468a1143214c2f12b91ab5e1e7abb4a14
Diffstat (limited to 'src/nvim/eval/funcs.c')
-rw-r--r--src/nvim/eval/funcs.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
index 3c25d76866..e804029187 100644
--- a/src/nvim/eval/funcs.c
+++ b/src/nvim/eval/funcs.c
@@ -2809,14 +2809,18 @@ static void f_get(typval_T *argvars, typval_T *rettv, FunPtr fptr)
if (argvars[0].v_type == VAR_BLOB) {
bool error = false;
- const int idx = tv_get_number_chk(&argvars[1], &error);
+ int idx = tv_get_number_chk(&argvars[1], &error);
if (!error) {
rettv->v_type = VAR_NUMBER;
- if (idx >= tv_blob_len(argvars[0].vval.v_blob)) {
- EMSGN(_(e_blobidx), idx);
+ if (idx < 0) {
+ idx = tv_blob_len(argvars[0].vval.v_blob) + idx;
+ }
+ if (idx < 0 || idx >= tv_blob_len(argvars[0].vval.v_blob)) {
+ rettv->vval.v_number = -1;
} else {
rettv->vval.v_number = tv_blob_get(argvars[0].vval.v_blob, idx);
+ tv = rettv;
}
}
} else if (argvars[0].v_type == VAR_LIST) {