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make yaz0 interface more portable

This commit is contained in:
Connor Olding 2019-07-09 06:09:12 -07:00
parent 722b4cd07b
commit 77a88fd5e5

View file

@ -1,6 +1,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
//version 1.0 (20050707) by shevious
//Thanks to thakis for yaz0dec 1.0.
@ -27,6 +28,7 @@ simpleEnc(u8 *src, int size, int pos, long *pMatchPos)
int startPos = pos - 0x1000;
long numBytes = 1;
long matchPos = 0;
int i;
int end = size - pos;
// maximum runlength for 3 byte encoding
@ -35,7 +37,7 @@ simpleEnc(u8 *src, int size, int pos, long *pMatchPos)
if (startPos < 0)
startPos = 0;
for (int i = startPos; i < pos; i++) {
for (i = startPos; i < pos; i++) {
int j;
for (j = 0; j < end; j++) {
if (src[i + j] != src[j + pos])
@ -143,8 +145,9 @@ encodeYaz0(u8 *src, u8 *dst, int srcSize)
// write eight codes
if (validBitCount == 8) {
int j;
dst[dstPos++] = currCodeByte;
for (int j = 0; j < bufPos; j++)
for (j = 0; j < bufPos; j++)
dst[dstPos++] = buf[j];
currCodeByte = 0;
@ -154,8 +157,9 @@ encodeYaz0(u8 *src, u8 *dst, int srcSize)
}
if (validBitCount > 0) {
int j;
dst[dstPos++] = currCodeByte;
for (int j = 0; j < bufPos; j++)
for (j = 0; j < bufPos; j++)
dst[dstPos++] = buf[j];
currCodeByte = 0;
@ -192,6 +196,8 @@ decompress(u8 *src, u8 *dst, int uncompressedSize)
long dist = ((byte1 & 0xF) << 8) | byte2;
long copySource = dstPlace - (dist + 1);
int i;
long numBytes = byte1 >> 4;
if (numBytes == 0) {
numBytes = src[srcPlace++] + 0x12;
@ -200,7 +206,7 @@ decompress(u8 *src, u8 *dst, int uncompressedSize)
}
// copy run
for(int i = 0; i < numBytes; ++i) {
for(i = 0; i < numBytes; ++i) {
dst[dstPlace++] = dst[copySource++];
}
}