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-rw-r--r--ptr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ptr.c b/ptr.c
index 74e3c69..4c765b5 100644
--- a/ptr.c
+++ b/ptr.c
@@ -64,6 +64,7 @@ ptr ptrdup2 __P2 (ptr,src, int,newmax)
else if (!src)
p = ptrnew(newmax);
else if ((p = malloc(newmax + sizeofptr))) {
+ p->signature = PTR_SIG;
p->max = newmax;
if (newmax > ptrlen(src))
newmax = ptrlen(src);