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-rw-r--r--archival/bz/huffman.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/archival/bz/huffman.c b/archival/bz/huffman.c
index 02838c4..676b1af 100644
--- a/archival/bz/huffman.c
+++ b/archival/bz/huffman.c
@@ -98,7 +98,8 @@ void DOWNHEAP1(int32_t *heap, int32_t *weight, int32_t nHeap)
/*---------------------------------------------------*/
static
-void BZ2_hbMakeCodeLengths(uint8_t *len,
+void BZ2_hbMakeCodeLengths(EState *s,
+ uint8_t *len,
int32_t *freq,
int32_t alphaSize,
int32_t maxLen)
@@ -110,9 +111,14 @@ void BZ2_hbMakeCodeLengths(uint8_t *len,
int32_t nNodes, nHeap, n1, n2, i, j, k;
Bool tooLong;
+ /* bbox: moved to EState to save stack
int32_t heap [BZ_MAX_ALPHA_SIZE + 2];
int32_t weight[BZ_MAX_ALPHA_SIZE * 2];
int32_t parent[BZ_MAX_ALPHA_SIZE * 2];
+ */
+#define heap (s->BZ2_hbMakeCodeLengths__heap)
+#define weight (s->BZ2_hbMakeCodeLengths__weight)
+#define parent (s->BZ2_hbMakeCodeLengths__parent)
for (i = 0; i < alphaSize; i++)
weight[i+1] = (freq[i] == 0 ? 1 : freq[i]) << 8;
@@ -189,6 +195,9 @@ void BZ2_hbMakeCodeLengths(uint8_t *len,
weight[i] = j << 8;
}
}
+#undef heap
+#undef weight
+#undef parent
}