fede/prismlauncher-crack
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Turn pack200 into an actual library

Browse Source
This commit is contained in:
Petr Mrázek
2013-09-29 21:11:30 +02:00
parent d267d86f6e
commit 604162acdf
20 changed files with 583 additions and 1352 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
depends/pack200/src/zip.cpp
View File

@@ -30,6 +30,7 @@
#include <string.h>
#include <errno.h>
#include <time.h>
#include <stdint.h>
#include <stdlib.h>
#include <assert.h>
@@ -47,29 +48,14 @@
#include "zip.h"
#ifdef NO_ZLIB
inline bool jar::deflate_bytes(bytes &head, bytes &tail)
{
return false;
}
inline uint jar::get_crc32(uint c, uchar *ptr, uint len)
{
return 0;
}
#define Z_NULL NULL
#else // Have ZLIB
#include <zlib.h>
inline uint jar::get_crc32(uint c, uchar *ptr, uint len)
inline uint32_t jar::get_crc32(uint32_t c, uchar *ptr, uint32_t len)
{
return crc32(c, ptr, len);
}
#endif // End of ZLIB
// FIXME: this is bullshit. Do real endianness detection.
#ifdef sparc
#define SWAP_BYTES(a) ((((a) << 8) & 0xff00) | 0x00ff) & (((a) >> 8) | 0xff00)
#else
@@ -107,7 +93,7 @@ void jar::write_data(void *buff, int len)
void jar::add_to_jar_directory(const char *fname, bool store, int modtime, int len, int clen,
uint32_t crc)
{
uint fname_length = (uint)strlen(fname);
uint32_t fname_length = (uint32_t)strlen(fname);
ushort header[23];
if (modtime == 0)
modtime = default_modtime;
@@ -169,9 +155,9 @@ void jar::add_to_jar_directory(const char *fname, bool store, int modtime, int l
}
void jar::write_jar_header(const char *fname, bool store, int modtime, int len, int clen,
uint crc)
uint32_t crc)
{
uint fname_length = (uint)strlen(fname);
uint32_t fname_length = (uint32_t)strlen(fname);
ushort header[15];
if (modtime == 0)
modtime = default_modtime;
@@ -218,12 +204,10 @@ void jar::write_jar_header(const char *fname, bool store, int modtime, int len,
write_data((char *)fname, (int)fname_length);
}
static const char marker_comment[] = ZIP_ARCHIVE_MARKER_COMMENT;
void jar::write_central_directory()
{
bytes mc;
mc.set(marker_comment);
mc.set("PACK200");
ushort header[11];
@@ -278,11 +262,11 @@ void jar::addJarEntry(const char *fname, bool deflate_hint, int modtime, bytes &
int len = (int)(head.len + tail.len);
int clen = 0;
uint crc = get_crc32(0, Z_NULL, 0);
uint32_t crc = get_crc32(0, Z_NULL, 0);
if (head.len != 0)
crc = get_crc32(crc, (uchar *)head.ptr, (uint)head.len);
crc = get_crc32(crc, (uchar *)head.ptr, (uint32_t)head.len);
if (tail.len != 0)
crc = get_crc32(crc, (uchar *)tail.ptr, (uint)tail.len);
crc = get_crc32(crc, (uchar *)tail.ptr, (uint32_t)tail.len);
bool deflate = (deflate_hint && len > 0);
@@ -452,10 +436,10 @@ bool jar::deflate_bytes(bytes &head, bytes &tail)
}
// Callback for fetching data from a GZIP input stream
static jlong read_input_via_gzip(unpacker *u, void *buf, jlong minlen, jlong maxlen)
static int64_t read_input_via_gzip(unpacker *u, void *buf, int64_t minlen, int64_t maxlen)
{
assert(minlen <= maxlen); // don't talk nonsense
jlong numread = 0;
int64_t numread = 0;
char *bufptr = (char *)buf;
char *inbuf = u->gzin->inbuf;
size_t inbuflen = sizeof(u->gzin->inbuf);
@@ -476,7 +460,7 @@ static jlong read_input_via_gzip(unpacker *u, void *buf, jlong minlen, jlong max
int error = inflate(&zs, Z_NO_FLUSH);
if (error != Z_OK && error != Z_STREAM_END)
{
u->abort("error inflating input");
unpack_abort("error inflating input");
break;
}
int nr = readlen - zs.avail_out;
@@ -505,7 +489,7 @@ static jlong read_input_via_gzip(unpacker *u, void *buf, jlong minlen, jlong max
// %%% should check final CRC and length here
// %%% should check for concatenated *.gz files here
if (zs.avail_in > 0)
u->abort("garbage after end of deflated input stream");
unpack_abort("garbage after end of deflated input stream");
// pop this filter off:
u->gzin->free();
break;
@@ -577,15 +561,11 @@ void gunzip::start(int magic)
if (gz_flg & FHCRC)
read_fixed_field(gz_hcrc, sizeof(gz_hcrc));
if (aborting())
return;
// now the input stream is ready to read into the inflater
int error = inflateInit2((z_stream *)zstream, -MAX_WBITS);
if (error != Z_OK)
{
abort("cannot create input");
return;
unpack_abort("cannot create input");
}
}
@@ -602,9 +582,7 @@ void gunzip::free()
void gunzip::read_fixed_field(char *buf, size_t buflen)
{
if (aborting())
return;
jlong nr = ((unpacker::read_input_fn_t)read_input_fn)(u, buf, buflen, buflen);
int64_t nr = ((unpacker::read_input_fn_t)read_input_fn)(u, buf, buflen, buflen);
if ((size_t)nr != buflen)
u->abort("short stream header");
unpack_abort("short stream header");
}