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49377: fix segfault by 'bindkey -d' with reordered keymapnamtab

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Jun-ichi Takimoto 2021-09-08 09:51:43 +09:00
parent bb61da36aa
commit 2a7945a900
3 changed files with 41 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2021-09-08 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
* 49377: Src/Zle/zle_keymap.c, Test/X03zlebindkey.ztst: fix
segfalut by 'bindkey -d' with reordered keymapnamtab
2021-09-06 Bart Schaefer <schaefer@zsh.org>
* Stephane Chazelas: 45180: Doc/Zsh/contrib.yo,

22
Src/Zle/zle_keymap.c
View file

@ -155,7 +155,7 @@ createkeymapnamtab(void)
keymapnamtab = newhashtable(7, "keymapnamtab", NULL);
keymapnamtab->hash = hasher;
keymapnamtab->emptytable = emptyhashtable;
keymapnamtab->emptytable = emptykeymapnamtab;
keymapnamtab->filltable = NULL;
keymapnamtab->cmpnodes = strcmp;
keymapnamtab->addnode = addhashnode;
@ -178,6 +178,26 @@ makekeymapnamnode(Keymap keymap)
return kmn;
}
/**/
static void
emptykeymapnamtab(HashTable ht)
{
struct hashnode *hn, *hp;
int i;
for (i = 0; i < ht->hsize; i++) {
for (hn = ht->nodes[i]; hn;) {
KeymapName kmn = (KeymapName) hn;
hp = hn->next;
zsfree(kmn->nam);
unrefkeymap(kmn->keymap);
zfree(kmn, sizeof(*kmn));
hn = hp;
}
ht->nodes[i] = NULL;
}
ht->ct = 0;
}
/*
* Reference a keymap from a keymapname.

15
Test/X03zlebindkey.ztst
View file

@ -141,3 +141,18 @@
>CURSOR: 18
>BUFFER: echo $(( ##x ) ##x ) y
>CURSOR: 22
bindkey -d
for name in a b c d e; bindkey -N $name
bindkey -d
bindkey -l
0:delete all keymaps after expanding keymapnamtab
>.safe
>command
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>isearch
>main
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