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authorPeter Stephenson <p.w.stephenson@ntlworld.com>2015-01-18 22:38:57 +0000
committerPeter Stephenson <p.w.stephenson@ntlworld.com>2015-01-18 22:38:57 +0000
commitc6c9f5daf2e196e6ab7346dfbf5f5166a1d87f0c (patch)
treede064fa6ba629549d42868b7016dd3c28bfb0e34 /Src/params.c
parent6856ab39e32e0cba96fcdae004878938125890ac (diff)
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34322: bug with interface to parsestr() etc.
Was showing up in places like ${(e)...} where command substitution
could reallocate the token string, but actually there was never any
guarantee that the lexer wouldn't do that, so this was always
a bit iffy.
Diffstat (limited to 'Src/params.c')
-rw-r--r--Src/params.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Src/params.c b/Src/params.c
index b8e0c429b..64c78bd63 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -1260,7 +1260,8 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w,
     if (ishash && (keymatch || !rev))
 	remnulargs(s);
     if (needtok) {
-	if (parsestr(s))
+	s = dupstring(s);
+	if (parsestr(&s))
 	    return 0;
 	singsub(&s);
     } else if (rev)