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Source/zlib/INFLATE.C

@@ -0,0 +1,65 @@
+#include "../exehead/config.h"
+#ifdef NSIS_COMPRESS_USE_ZLIB
+/* inflate.c -- zlib interface to inflate modules
+ * Copyright (C) 1995-1998 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h 
+
+ * this has been HEAVILY modified for NSIS use, and is no longer compatible
+ * with the stock zlib.
+
+ */
+
+#include "zutil.h"
+#include "infblock.h"
+
+struct inflate_blocks_state { int dummy; }; /* for buggy compilers */
+
+
+/* inflate private state */
+struct internal_state {
+
+  /* mode dependent information */
+  union {
+    uInt method;        /* if FLAGS, method byte */
+    struct {
+      uLong was;                /* computed check value */
+      uLong need;               /* stream check value */
+    } check;            /* if CHECK, check values to compare */
+    uInt marker;        /* if BAD, inflateSync's marker bytes count */
+  } sub;        /* submode */
+
+  inflate_blocks_statef blocks;            /* current inflate_blocks state */
+};
+
+
+int inflateReset(z_streamp z)
+{
+  if (z == Z_NULL || z->state == Z_NULL)
+    return Z_STREAM_ERROR;
+  z->total_in = z->total_out = 0;
+  inflate_blocks_reset(&z->state->blocks, z, Z_NULL);
+  return Z_OK;
+}
+
+
+int inflateInit(z_streamp z)
+{
+  int inflate_blocks_getssize();
+  void inflate_blocks_init(z_streamp z,inflate_blocks_statef *s);
+
+  if ((z->state = 
+    (struct internal_state FAR *) ZALLOC(z,1,sizeof(struct internal_state)+inflate_blocks_getssize())) == Z_NULL)
+    return Z_MEM_ERROR;
+
+  inflate_blocks_init(z,&z->state->blocks);
+
+  return Z_OK;
+}
+
+
+int inflate(z_streamp z)
+{
+  return inflate_blocks(&z->state->blocks, z, Z_OK);
+}
+
+#endif