diff options
Diffstat (limited to 'depends/pack200/src/zip.cpp')
| -rw-r--r-- | depends/pack200/src/zip.cpp | 56 |
1 files changed, 17 insertions, 39 deletions
diff --git a/depends/pack200/src/zip.cpp b/depends/pack200/src/zip.cpp index f1bc25ad..baea2ba7 100644 --- a/depends/pack200/src/zip.cpp +++ b/depends/pack200/src/zip.cpp @@ -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"); } |