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simple dev setup for asm unpackers

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This commit is contained in:
Dennis Ranke
2022-09-18 15:40:23 +02:00
parent 629c5fce7d
commit 434769b591
7 changed files with 299 additions and 4 deletions
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5
c_unpacker/main.c
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@@ -1,7 +1,7 @@
#include <stdio.h>
#include <stdlib.h>
int upkr_unpack(void* destination, void* compressed_data);
void* upkr_unpack(void* destination, void* compressed_data);
int main(int argn, char** argv) {
void* input_buffer = malloc(1024*1024);
@@ -13,7 +13,8 @@ int main(int argn, char** argv) {
printf("Compressed size: %d\n", in_size);
int out_size = upkr_unpack(output_buffer, input_buffer);
void* end_ptr = upkr_unpack(output_buffer, input_buffer);
int out_size = (char*)end_ptr - (char*)output_buffer;
printf("Uncompressed size: %d\n", out_size);

4
c_unpacker/unpack.c
View File

@@ -57,7 +57,7 @@ int upkr_decode_length(int context_index) {
return length | (1 << bit_pos);
}
int upkr_unpack(void* destination, void* compressed_data) {
void* upkr_unpack(void* destination, void* compressed_data) {
upkr_data_ptr = (u8*)compressed_data;
upkr_state = 0;
#ifdef UPKR_BITSTREAM
@@ -95,5 +95,5 @@ int upkr_unpack(void* destination, void* compressed_data) {
}
}
return write_ptr - (u8*)destination;
return write_ptr;
}