0002-null-checks-in-vorbis_book_init_decode.patch

Enable keyboard shortcuts

diff --git a/lib/sharedbook.c b/lib/sharedbook.c

index abe4c24d..11af49e3 100644

--- a/lib/sharedbook.c

+++ b/lib/sharedbook.c

@@ -374,6 +374,12 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){

       goto err_out;

     c->codelist=_ogg_malloc(n*sizeof(*c->codelist));

+    if(c->codelist==NULL){

+      _ogg_free(sortindex);

+      _ogg_free(codep);

+      _ogg_free(codes);

+      goto err_out;

+    }

     /* the index is a reverse index */

     for(i=0;i<n;i++){

       int position=codep[i]-codes;

@@ -387,12 +393,20 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){

     c->valuelist=_book_unquantize(s,n,sortindex);

     c->dec_index=_ogg_malloc(n*sizeof(*c->dec_index));

+    if(c->dec_index==NULL){

+      _ogg_free(sortindex);

+      goto err_out;

+    }

     for(n=0,i=0;i<s->entries;i++)

       if(s->lengthlist[i]>0)

         c->dec_index[sortindex[n++]]=i;

     c->dec_codelengths=_ogg_malloc(n*sizeof(*c->dec_codelengths));

+    if(c->dec_codelengths==NULL){

+      _ogg_free(sortindex);

+      goto err_out;

+    }

     c->dec_maxlength=0;

     for(n=0,i=0;i<s->entries;i++)

       if(s->lengthlist[i]>0){

@@ -408,6 +422,7 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){

        unmodified decode paths. */

       c->dec_firsttablen=1;

       c->dec_firsttable=_ogg_calloc(2,sizeof(*c->dec_firsttable));

+      if(c->dec_firsttable==NULL)goto err_out;

       c->dec_firsttable[0]=c->dec_firsttable[1]=1;

     }else{

@@ -417,6 +432,7 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){

       tabn=1<<c->dec_firsttablen;

       c->dec_firsttable=_ogg_calloc(tabn,sizeof(*c->dec_firsttable));

+      if(c->dec_firsttable==NULL)goto err_out;

       for(i=0;i<n;i++){

         if(c->dec_codelengths[i]<=c->dec_firsttablen){