From f08663d549fee6cf1201b029a86eb37221263ef5 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Tue, 19 May 2015 12:28:39 +0200
Subject: Fix variable names to match documentation (and a slightly saner
 scheme)

---
 src/export/extract_version_2.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/export/extract_version_2.c b/src/export/extract_version_2.c
index ac082ca..fcbd59f 100644
--- a/src/export/extract_version_2.c
+++ b/src/export/extract_version_2.c
@@ -323,17 +323,17 @@ static int decomp(struct state *s)
     return 0;
 }
 
-static void decompress_subchunk( uint8_t * subchunk, size_t subchunk_size, int chunks, size_t outchunk_size ) {
-  uint8_t output[ outchunk_size ];
+static void decompress_chunk( uint8_t * chunk, size_t chunk_size, int blocks ) {
+  uint8_t output[ MAXWIN ];
   struct state s;             /* input/output state */
   int err;                    /* return value */
 
-  memset( output, 0, outchunk_size );
+  memset( output, 0, MAXWIN );
 
   /* initialize input state */
-  s.in = subchunk;
-  s.left = subchunk_size;
-  while( chunks-- ) {
+  s.in = chunk;
+  s.left = chunk_size;
+  while( blocks-- ) {
     /* (Re-)initialize output state */
     s.out = output;
     s.next = 0;
@@ -346,7 +346,7 @@ static void decompress_subchunk( uint8_t * subchunk, size_t subchunk_size, int c
       return;
 
     /* Dump to stdout for now */
-    fwrite( output, outchunk_size, 1, stdout );
+    fwrite( output, MAXWIN, 1, stdout );
   }
 }
 
@@ -368,8 +368,8 @@ static void decode_19bit_address( uint8_t const *source, uint32_t *dest, size_t
 int main( int args, char **argv ) {
   MAP file;
   uint32_t offsets[256];
-  uint16_t num_subchunks, subchunk_rest_count, subchunk_one_count;
-  uint8_t *fp, *subchunk;
+  uint16_t chunk_count, restchunks_size, firstchunk_size;
+  uint8_t *fp, *firstchunk;
   int i;
 
   if( args < 2 ) {
@@ -381,19 +381,19 @@ int main( int args, char **argv ) {
   if( !file ) exit( 1 );
   fp = file->addr;
 
-  num_subchunks       = *(uint16_t*)(fp+0x14);
-  subchunk_rest_count = *(uint16_t*)(fp+0x1c);
-  subchunk_one_count  = *(uint16_t*)(fp+0x1e);
-  subchunk            = fp + 0x20 + ( 19*num_subchunks +7 )/ 8;
+  chunk_count      = *(uint16_t*)(fp+0x14);
+  firstchunk       = fp + 0x20 + ( 19*chunk_count +7 )/ 8;
+  firstchunk_size  = *(uint16_t*)(fp+0x1e) + 1;
+  restchunks_size  = *(uint16_t*)(fp+0x1c);
 
-  decode_19bit_address ( fp + 0x20, offsets, num_subchunks );
-  offsets[num_subchunks] = file->size;
+  decode_19bit_address ( fp + 0x20, offsets, chunk_count );
+  offsets[chunk_count] = file->size;
 
-  decompress_subchunk( subchunk, offsets[0], subchunk_one_count + 1, MAXWIN );
+  decompress_chunk( firstchunk, offsets[0], firstchunk_size );
 
-  for( i=0; i< num_subchunks; ++i )
+  for( i=0; i< chunk_count; ++i )
     if( offsets[i] + 0x800 < file->size )
-      decompress_subchunk( fp + offsets[i] + 0x800, offsets[i+1] - offsets[i], subchunk_rest_count, MAXWIN );
+      decompress_chunk( fp + offsets[i] + 0x800, offsets[i+1] - offsets[i], restchunks_size );
 
   return 0;
 }
-- 
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