| 0,0 → 1,31 |
|---|
| #include <stdio.h> |
| #include <windows.h> |
| extern "C" __stdcall lzma_set_dict_size(unsigned logdictsize); |
| extern "C" __stdcall lzma_compress( |
| const void* source, |
| void* destination, |
| unsigned length, |
| void* workmem); |
| |
| int main() |
| { |
| FILE* f; |
| f = fopen("test.in","rb"); |
| fseek(f,0,SEEK_END); |
| unsigned inlen = ftell(f); |
| fseek(f,0,SEEK_SET); |
| void* in = VirtualAlloc(NULL,inlen,MEM_COMMIT,PAGE_READWRITE); |
| void* out = VirtualAlloc(NULL,inlen,MEM_COMMIT,PAGE_READWRITE); |
| fread(in,1,inlen,f); |
| fclose(f); |
| unsigned logdictsize,dictsize; |
| for (logdictsize=0,dictsize=1;dictsize<inlen && logdictsize<=28;logdictsize++,dictsize<<=1) ; |
| lzma_set_dict_size(logdictsize); |
| void* work = VirtualAlloc(NULL,dictsize*19/2+0x509000,MEM_COMMIT,PAGE_READWRITE); |
| unsigned outlen = lzma_compress(in,out,inlen,work); |
| printf("%d -> %d\n",inlen,outlen); |
| f = fopen("test.out","wb"); |
| fwrite(out,1,outlen,f); |
| fclose(f); |
| return 0; |
| } |