Export public function on MinGW platform

[platform/upstream/libvorbis.git] / vq / huffbuild.c

diff --git a/vq/huffbuild.c b/vq/huffbuild.c
index 28e106d..014c81c 100644 (file)
--- a/vq/huffbuild.c
+++ b/vq/huffbuild.c
@@ -5,13 +5,12 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001             *
- * by the XIPHOPHORUS Company http://www.xiph.org/                  *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2014             *
+ * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: hufftree builder
- last mod: $Id: huffbuild.c,v 1.10 2001/06/04 05:50:12 xiphmont Exp $
 
  ********************************************************************/
 
@@ -49,13 +48,13 @@ static int getval(FILE *in,int begin,int n,int group,int max){
 
 static void usage(){
   fprintf(stderr,
-         "usage:\n" 
-         "huffbuild <input>.vqd <begin,n,group>|<lorange-hirange> [noguard]\n"
-         "   where begin,n,group is first scalar, \n"
-         "                          number of scalars of each in line,\n"
-         "                          number of scalars in a group\n"
-         "eg: huffbuild reslongaux.vqd 0,1024,4\n"
-         "produces reslongaux.vqh\n\n");
+          "usage:\n"
+          "huffbuild <input>.vqd <begin,n,group>|<lorange-hirange> [noguard]\n"
+          "   where begin,n,group is first scalar, \n"
+          "                          number of scalars of each in line,\n"
+          "                          number of scalars in a group\n"
+          "eg: huffbuild reslongaux.vqd 0,1024,4\n"
+          "produces reslongaux.vqh\n\n");
   exit(1);
 }
 
@@ -86,17 +85,17 @@ int main(int argc, char *argv[]){
     }else{
       begin=atoi(argv[2]);
       if(!pos)
-       usage();
+        usage();
       else
-       n=atoi(pos+1);
+        n=atoi(pos+1);
       pos=strchr(pos+1,',');
       if(!pos)
-       usage();
+        usage();
       else
-       subn=atoi(pos+1);
+        subn=atoi(pos+1);
       if(n/subn*subn != n){
-       fprintf(stderr,"n must be divisible by group\n");
-       exit(1);
+        fprintf(stderr,"n must be divisible by group\n");
+        exit(1);
       }
     }
   }
@@ -118,7 +117,7 @@ int main(int argc, char *argv[]){
       long v;
       if(get_next_ivalue(file,&v))break;
       if(v>maxval)maxval=v;
-      
+
       if(!(i++&0xff))spinnit("loading... ",i);
     }
     rewind(file);
@@ -127,23 +126,23 @@ int main(int argc, char *argv[]){
 
   {
     long vals=pow(maxval,subn);
-    long *hist=_ogg_malloc(vals*sizeof(long));
-    long *lengths=_ogg_malloc(vals*sizeof(long));
-    
+    long *hist=_ogg_calloc(vals,sizeof(long));
+    long *lengths=_ogg_calloc(vals,sizeof(long));
+
     for(j=loval;j<vals;j++)hist[j]=guard;
-    
+
     if(file){
       reset_next_value();
       i/=subn;
       while(!feof(file)){
-       long val=getval(file,begin,n,subn,maxval);
-       if(val==-1 || val>=vals)break;
-       hist[val]++;
-       if(!(i--&0xff))spinnit("loading... ",i*subn);
+        long val=getval(file,begin,n,subn,maxval);
+        if(val==-1 || val>=vals)break;
+        hist[val]++;
+        if(!(i--&0xff))spinnit("loading... ",i*subn);
       }
       fclose(file);
     }
- 
+
     /* we have the probabilities, build the tree */
     fprintf(stderr,"Building tree for %ld entries\n",vals);
     build_tree_from_lengths0(vals,hist,lengths);
@@ -155,54 +154,31 @@ int main(int argc, char *argv[]){
       strcat(buffer,".vqh");
       file=fopen(buffer,"w");
       if(!file){
-       fprintf(stderr,"Could not open file %s\n",buffer);
-       exit(1);
+        fprintf(stderr,"Could not open file %s\n",buffer);
+        exit(1);
       }
     }
-    
-    fprintf(file,
- "/********************************************************************\n"
- " *                                                                  *\n"
- " * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE.  *\n"
- " * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *\n"
- " * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *\n"
- " * PLEASE READ THESE TERMS DISTRIBUTING.                            *\n"
- " *                                                                  *\n"
- " * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-1999             *\n"
- " * by 1999 Monty <monty@xiph.org> and The XIPHOPHORUS Company       *\n"
- " * http://www.xiph.org/                                             *\n"
- " *                                                                  *\n"
- " ********************************************************************\n"
- "\n"
- " function: static codebook autogenerated by huff/huffbuld\n"
- "\n"
- " ********************************************************************/\n\n");
-
-    fprintf(file,"#ifndef _V_%s_VQH_\n#define _V_%s_VQH_\n",base,base);
-    fprintf(file,"#include \"codebook.h\"\n\n");
-    
+
     /* first, the static vectors, then the book structure to tie it together. */
     /* lengthlist */
-    fprintf(file,"static long _huff_lengthlist_%s[] = {\n",base);
+    fprintf(file,"static const char _huff_lengthlist_%s[] = {\n",base);
     for(j=0;j<vals;){
       fprintf(file,"\t");
       for(k=0;k<16 && j<vals;k++,j++)
-       fprintf(file,"%2ld,",lengths[j]);
+        fprintf(file,"%2ld,",lengths[j]);
       fprintf(file,"\n");
     }
     fprintf(file,"};\n\n");
-    
+
     /* the toplevel book */
-    fprintf(file,"static static_codebook _huff_book_%s = {\n",base);
+    fprintf(file,"static const static_codebook _huff_book_%s = {\n",base);
     fprintf(file,"\t%d, %ld,\n",subn,vals);
-    fprintf(file,"\t_huff_lengthlist_%s,\n",base);
+    fprintf(file,"\t(char *)_huff_lengthlist_%s,\n",base);
     fprintf(file,"\t0, 0, 0, 0, 0,\n");
     fprintf(file,"\tNULL,\n");
-    fprintf(file,"\tNULL,\n");
-    fprintf(file,"\tNULL,\n");
+
     fprintf(file,"\t0\n};\n\n");
-    
-    fprintf(file,"\n#endif\n");
+
     fclose(file);
     fprintf(stderr,"Done.                                \n\n");
   }
@@ -210,3 +186,12 @@ int main(int argc, char *argv[]){
 }
 
 
+
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+