X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fbitio.c;fp=src%2Fbitio.c;h=0000000000000000000000000000000000000000;hb=c9b3f16f20729e72788ff3351dad975c96f6bba1;hp=029c4b9f9e20ace283883a021519e6ef1b7a91dc;hpb=d24ed5e463e559fd245f16856acc34c28c7aaf09;p=swftools.git

diff --git a/src/bitio.c b/src/bitio.c
deleted file mode 100644
index 029c4b9..0000000
--- a/src/bitio.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/* bitio.c 
-   Various routines for reading and writing bit- and bytewise, from and to memory.
-
-   Part of the swftools package.
-   
-   Copyright (c) 2001 Matthias Kramm <kramm@quiss.org> 
-
-   This file is distributed under the GPL, see file COPYING for details */
-
-#include "bitio.h"
-
-
-void reader_init(struct reader_t*r, uchar*newdata, int newlength)
-{
-    r->data = newdata;
-    r->datalength = newlength;
-    r->datapos = 0;
-    reader_resetbits(r);
-}
-void reader_skip(struct reader_t*r, int length)
-{
-    r->datapos += length;
-}
-void reader_resetbits(struct reader_t*r)
-{
-    r->bitpos = 8;
-}
-
-void reader_input1(struct reader_t*r, void*target)
-{
-    *(uchar*)target = *(uchar*)&r->data[r->datapos];
-    r->datapos ++;
-}
-void reader_input2(struct reader_t*r, void*target)
-{
-    *(u16*)target = GET16(&r->data[r->datapos]);
-    r->datapos += 2;
-}
-void reader_input4(struct reader_t*r, void*target)
-{
-    *(u32*)target = GET32(&r->data[r->datapos]);
-    r->datapos += 4;
-}
-uchar*reader_getinputpos(struct reader_t*r)
-{
-    return &r->data[r->datapos];
-}
-int reader_getinputlength(struct reader_t*r)
-{
-    return r->datalength;
-}
-void reader_setinputpos(struct reader_t*r, uchar*pos)
-{
-    r->datapos = pos-r->data;
-}
-u32 reader_readbit(struct reader_t*r)
-{
-    if(r->bitpos==8) 
-    {
-	r->bitpos=0;
-        reader_input1(r, &r->mybyte);
-    }
-    return (r->mybyte>>(7-r->bitpos++))&1;
-}
-void reader_readbits(struct reader_t*r, u32*val,int num)
-{
-    int t;
-    *val=0;
-    for(t=0;t<num;t++)
-    {
-	*val<<=1;
-	*val|=reader_readbit(r);
-    }
-}
-
-void reader_readsbits(struct reader_t*r, s32*val,int num)
-{
-    u32 x;
-    reader_readbits(r, &x, num);
-    if((x>>(num-1))&1)
-    {
-	x|=(0xffffffff<<num);
-    }
-    *val=x;
-}
-
-u32 reader_getbits(struct reader_t*r, int num)
-{
-    u32 x;
-    reader_readbits(r,&x,num);
-    return x;
-}
-
-s32 reader_getsbits(struct reader_t*r, int num)
-{
-    s32 x;
-    reader_readsbits(r, &x,num);
-    return x;
-}
-
-u8 reader_readu8(struct reader_t*r)
-{
-    u8 a;
-    reader_input1(r, &a);
-    return a;
-}
-
-u16 reader_readu16(struct reader_t*r)
-{
-    u8 a,b;
-    reader_input1(r, &a);
-    reader_input1(r, &b);
-    return ((u16)b)*256+a;
-}
-
-u32 reader_readu32(struct reader_t*r)
-{
-    u8 a,b,c,d;
-    reader_input1(r, &a);
-    reader_input1(r, &b);
-    reader_input1(r, &c);
-    reader_input1(r, &d);
-    return (((((u32)d)*256+(u32)c)*256+(u32)b)*256+(u32)a);
-}
-
-void writer_init(struct writer_t*w, u8*data, int maxlength)
-{
-    w->data = data;
-    w->maxlength = maxlength;
-    w->pos = 0;
-    w->bitpos = 0;
-    w->mybyte = 0;
-}
-
-void writer_write(struct writer_t*w, void*data, int length)
-{
-    memcpy(&w->data[w->pos], data, length);
-    w->pos += length;
-}
-
-void writer_writeu8(struct writer_t*w, u8 value)
-{
-    writer_resetbits(w);
-    writer_write(w, &value, 1);
-}
-
-void writer_writeu16(struct writer_t*w, u16 value)
-{
-    u16 value2 = SWAP16(value);
-    writer_resetbits(w);
-    writer_write(w, &value2, 2);
-}
-
-void writer_writeu32(struct writer_t*w, u32 value)
-{
-    u16 value2 = SWAP32(value);
-    writer_resetbits(w);
-    writer_write(w, &value2, 4);
-}
-
-void* writer_getpos(struct writer_t*w)
-{
-    return &w->data[w->pos];
-}
-
-void writer_resetbits(struct writer_t*w)
-{
-    if(w->bitpos)
-	writer_write(w, &w->mybyte, 1);
-    w->bitpos = 0;
-    w->mybyte = 0;
-}
-
-void writer_writebit(struct writer_t*w, int bit)
-{    
-    if(w->bitpos==8) 
-    {
-        writer_write(w, &w->mybyte, 1);
-	w->bitpos = 0;
-	w->mybyte = 0;
-    }
-    if(bit&1)
-	w->mybyte |= 1 << (7 - w->bitpos);
-    w->bitpos ++;
-}
-
-void writer_writebits(struct writer_t*w, u32 data, int bits)
-{
-    int t;
-    for(t=0;t<bits;t++)
-    {
-	writer_writebit(w, (data >> (bits-t-1))&1);
-    }
-}
-