23 lines
546 B
Diff
23 lines
546 B
Diff
--- lib/graph/parser.y 2007-09-07 08:05:44.000000000 -0400
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+++ lib/graph/parser.y 2008-10-07 14:40:07.000000000 -0400
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@@ -31,7 +31,8 @@
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static Agnode_t *N;
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static Agedge_t *E;
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static objstack_t *SP;
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-static Agraph_t *Gstack[32];
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+#define GSTACK_SIZE 64
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+static Agraph_t *Gstack[GSTACK_SIZE];
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static int GSP;
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static void subgraph_warn (void)
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@@ -44,6 +45,9 @@
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static void push_subg(Agraph_t *g)
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{
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+ if (GSP >= GSTACK_SIZE) {
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+ agerr (AGERR, "Gstack overflow in graph parser\n"); exit(1);
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+ }
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G = Gstack[GSP++] = g;
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}
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