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Prevent a segfault if cp_variablesubst return a nullptr. 

Fixes bug-801
This commit is contained in:
Holger Vogt 2025-08-18 23:49:53 +02:00
parent a003159d53
commit 5139cbb36c
1 changed files with 4 additions and 0 deletions
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4
src/frontend/control.c
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@ -147,6 +147,10 @@ docommand(wordlist *wlist)
/* Do all the things that used to be done by cshpar when the line /* Do all the things that used to be done by cshpar when the line
* was read... */ * was read... */
wlist = cp_variablesubst(wlist); wlist = cp_variablesubst(wlist);
if (!wlist || !wlist->wl_word)
return;
pwlist(wlist, "After variable substitution"); pwlist(wlist, "After variable substitution");
wlist = cp_bquote(wlist); wlist = cp_bquote(wlist);