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authorOliver Kiddle <opk@zsh.org>2021-10-30 23:33:44 +0200
committerOliver Kiddle <opk@zsh.org>2021-10-30 23:35:53 +0200
commit68c8c60eaab795353e30218a4c41615328697256 (patch)
treeb506b9f0af3557268b3f385195202a3972f26cd9
parent632fee7cdfcd234a5c7c53f17777ca18e62d82e3 (diff)
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49533: add null check for preprompt functions list that could occur following an error when loading a module
-rw-r--r--ChangeLog3
-rw-r--r--Src/utils.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 7721ccc8d..87d8536a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2021-10-30  Oliver Kiddle  <opk@zsh.org>
 
+	* 49533: Src/utils.c: add null check for preprompt functions list
+	that could occur following an error when loading a module
+
 	* 49528: Src/Zle/comp.h, Src/Zle/compcore.c, Src/Zle/complete.c,
 	Completion/X/Command/_xinput, Completion/Zsh/Command/_compadd,
 	Doc/Zsh/compwid.yo: allow multiple -D options to compadd
diff --git a/Src/utils.c b/Src/utils.c
index a74c8bd2c..ed3690172 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -1378,6 +1378,9 @@ delprepromptfn(voidvoidfnptr_t func)
 {
     LinkNode ln;
 
+    if (!prepromptfns)
+	return;
+
     for (ln = firstnode(prepromptfns); ln; ln = nextnode(ln)) {
 	Prepromptfn ppdat = (Prepromptfn)getdata(ln);
 	if (ppdat->func == func) {