Allocate the dictionaries in examples/zran.c.

This reduces the memory needed for dictionaries, and avoids the
need to reallocate the index at the end to return unused memory.

1 files changed, 2 insertions, 1 deletions

diff --git a/examples/zran.h b/examples/zran.h
index 23fbd1f..de0646b 100644
--- a/examples/zran.h
+++ b/examples/zran.h
@@ -11,7 +11,8 @@ typedef struct point {
     off_t out;          // offset in uncompressed data
     off_t in;           // offset in compressed file of first full byte
     int bits;           // 0, or number of bits (1-7) from byte at in-1
-    unsigned char window[32768];    // preceding 32K of uncompressed data
+    unsigned dict;      // number of bytes in window to use as a dictionary
+    unsigned char *window;  // preceding 32K (or less) of uncompressed data
 } point_t;
 
 // Access point list.