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Reimport zip into third party
This commit is contained in:
Justine Tunney
parent
60cb435cb4
commit
648bf6555c
22 changed files with 1555 additions and 569 deletions
159
third_party/zip/zipup.c
vendored
159
third_party/zip/zipup.c
vendored
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@ -1,5 +1,4 @@
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// -*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-
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/* clang-format off */
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// clang-format off
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/*
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zipup.c - Zip 3
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@ -21,26 +20,134 @@
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different sizes and needless to say leads to segmentation faults. Putting
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zip.h first seems to fix this. 8/14/04 EG */
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#include "third_party/zip/zip.h"
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#include "libc/errno.h"
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#include "libc/str/str.h"
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#include "libc/log/log.h"
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#include "libc/sysv/consts/prot.h"
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#include "libc/fmt/fmt.h"
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#include "libc/stdio/stdio.h"
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#include "third_party/zip/zipup.h"
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#include "third_party/bzip2/bzlib.h"
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#include "libc/calls/typedef/u.h"
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#include "third_party/zlib/zconf.h"
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#include "libc/runtime/sysconf.h"
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#include "libc/runtime/sysconf.h"
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#include "libc/runtime/runtime.h"
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#include "libc/errno.h"
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#ifndef UTIL /* This module contains no code for Zip Utilities */
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#include "third_party/zip/revision.h"
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#include "third_party/zip/crc32.h"
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#include "third_party/zip/crypt.h"
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#include "third_party/bzip2/bzlib.h"
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#ifdef USE_ZLIB
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// MISSING #include "zlib.h"
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#endif
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#ifdef BZIP2_SUPPORT
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# ifdef BZIP2_USEBZIP2DIR
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// MISSING #include "bzip2/bzlib.h"
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# else
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// MISSING #include "bzlib.h"
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# endif
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#endif
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#ifdef OS2
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// MISSING #include "os2/os2zip.h"
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#endif
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#if defined(MMAP)
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#include "libc/calls/calls.h"
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#include "libc/calls/weirdtypes.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/map.h"
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#include "libc/sysv/consts/mlock.h"
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#include "libc/sysv/consts/msync.h"
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#include "libc/sysv/consts/posix.h"
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#include "libc/sysv/consts/prot.h"
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#include "libc/sysv/consts/madv.h"
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#include "libc/sysv/consts/mfd.h"
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#include "libc/sysv/consts/mremap.h"
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# ifndef PAGESIZE /* used to be SYSV, what about pagesize on SVR3 ? */
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# define PAGESIZE getpagesize()
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# endif
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# if defined(NO_VALLOC) && !defined(valloc)
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# define valloc malloc
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# endif
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#endif
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/* Use the raw functions for MSDOS and Unix to save on buffer space.
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They're not used for VMS since it doesn't work (raw is weird on VMS).
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*/
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#ifdef AMIGA
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// MISSING #include "amiga/zipup.h"
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#endif /* AMIGA */
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#ifdef AOSVS
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// MISSING #include "aosvs/zipup.h"
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#endif /* AOSVS */
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#ifdef ATARI
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// MISSING #include "atari/zipup.h"
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#endif
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#ifdef __BEOS__
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// MISSING #include "beos/zipup.h"
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#endif
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#ifdef __ATHEOS__
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// MISSING #include "atheos/zipup.h"
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#endif /* __ATHEOS__ */
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#ifdef __human68k__
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// MISSING #include "human68k/zipup.h"
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#endif /* __human68k__ */
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#ifdef MACOS
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// MISSING #include "macos/zipup.h"
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#endif
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#ifdef DOS
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// MISSING #include "msdos/zipup.h"
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#endif /* DOS */
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#ifdef NLM
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// MISSING #include "novell/zipup.h"
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// MISSING #include <nwfattr.h>
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#endif
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#ifdef OS2
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// MISSING #include "os2/zipup.h"
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#endif /* OS2 */
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#ifdef RISCOS
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// MISSING #include "acorn/zipup.h"
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#endif
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#ifdef TOPS20
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// MISSING #include "tops20/zipup.h"
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#endif
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#ifdef UNIX
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// MISSING #include "unix/zipup.h"
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#endif
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#ifdef CMS_MVS
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#include "third_party/zip/zipup.h"
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#endif /* CMS_MVS */
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#ifdef TANDEM
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#include "third_party/zip/zipup.h"
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#endif /* TANDEM */
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#ifdef VMS
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// MISSING #include "vms/zipup.h"
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#endif /* VMS */
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#ifdef QDOS
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// MISSING #include "qdos/zipup.h"
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#endif /* QDOS */
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#ifdef WIN32
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// MISSING #include "win32/zipup.h"
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#endif
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#ifdef THEOS
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// MISSING #include "theos/zipup.h"
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#endif
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/* Local functions */
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#ifndef RISCOS
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@ -539,17 +646,17 @@ struct zlist far *z; /* zip entry to compress */
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if (window != NULL)
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free(window); /* window can't be a mapped file here */
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window_size = (ulg)q + MIN_LOOKAHEAD;
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remain = window_size & (sysconf(_SC_PAGESIZE)-1);
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remain = window_size & (PAGESIZE-1);
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/* If we can't touch the page beyond the end of file, we must
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* allocate an extra page.
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*/
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if (remain > MIN_LOOKAHEAD) {
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window = (uch*)mmap(0, window_size, PROT_READ, MAP_PRIVATE, ifile, 0);
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} else {
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window = (uch*)pvalloc(window_size - remain + sysconf(_SC_PAGESIZE));
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window = (uch*)valloc(window_size - remain + PAGESIZE);
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if (window != NULL) {
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window = (uch*)mmap((char*)window, window_size - remain, PROT_READ,
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MAP_PRIVATE | MAP_FIXED, ifile, 0);
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MAP_PRIVATE | MAP_FIXED, ifile, 0);
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} else {
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window = (uch*)(-1);
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}
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@ -837,7 +944,7 @@ struct zlist far *z; /* zip entry to compress */
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zclose(ifile);
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#ifdef MMAP
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if (remain != (ulg)-1L) {
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munmap((void*) window, window_size);
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munmap((caddr_t) window, window_size);
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window = NULL;
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}
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#endif /*MMAP */
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@ -1446,8 +1553,8 @@ local zoff_t filecompress(z_entry, cmpr_method)
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do {
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err = deflate(&zstrm, Z_FINISH);
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if (maybe_stored) {
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if (err == Z_STREAM_END && zstrm.total_out >= zstrm.total_in/* && */
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/* fseekable(y) */) {
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if (err == Z_STREAM_END && zstrm.total_out >= zstrm.total_in &&
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fseekable(zipfile)) {
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/* deflation does not reduce size, switch to STORE method */
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unsigned len_out = (unsigned)zstrm.total_in;
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if (zfwrite(f_ibuf, 1, len_out) != len_out) {
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@ -1677,16 +1784,16 @@ int *cmpr_method;
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} else
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#endif /* MMAP || BIG_MEM */
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{
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bstrm.next_in = f_ibuf;
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bstrm.next_in = (char *)f_ibuf;
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}
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bstrm.avail_in = file_read((char *)bstrm.next_in, ibuf_sz);
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bstrm.avail_in = file_read(bstrm.next_in, ibuf_sz);
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if (file_binary_final == 0) {
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/* check for binary as library does not */
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if (!is_text_buf((char *)bstrm.next_in, ibuf_sz))
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if (!is_text_buf(bstrm.next_in, ibuf_sz))
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file_binary_final = 1;
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}
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if (bstrm.avail_in < ibuf_sz) {
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unsigned more = file_read((char *)(bstrm.next_in + bstrm.avail_in),
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unsigned more = file_read(bstrm.next_in + bstrm.avail_in,
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(ibuf_sz - bstrm.avail_in));
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if (more == (unsigned) EOF || more == 0) {
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maybe_stored = TRUE;
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@ -1694,7 +1801,7 @@ int *cmpr_method;
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bstrm.avail_in += more;
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}
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}
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bstrm.next_out = (void *)f_obuf;
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bstrm.next_out = (char *)f_obuf;
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bstrm.avail_out = OBUF_SZ;
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if (!maybe_stored) {
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@ -1708,7 +1815,7 @@ int *cmpr_method;
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if (zfwrite(f_obuf, 1, OBUF_SZ) != OBUF_SZ) {
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ziperr(ZE_TEMP, "error writing to zipfile");
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}
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bstrm.next_out = f_obuf;
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bstrm.next_out = (char *)f_obuf;
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bstrm.avail_out = OBUF_SZ;
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}
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/* $TODO what about high 32-bits of total-in??? */
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@ -1750,14 +1857,14 @@ int *cmpr_method;
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}
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#if defined(MMAP) || defined(BIG_MEM)
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if (remain == (ulg)-1L)
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bstrm.next_in = f_ibuf;
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bstrm.next_in = (char *)f_ibuf;
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#else
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bstrm.next_in = (char *)f_ibuf;
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#endif
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bstrm.avail_in = file_read((char *)bstrm.next_in, ibuf_sz);
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bstrm.avail_in = file_read(bstrm.next_in, ibuf_sz);
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if (file_binary_final == 0) {
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/* check for binary as library does not */
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if (!is_text_buf((char *)bstrm.next_in, ibuf_sz))
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if (!is_text_buf(bstrm.next_in, ibuf_sz))
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file_binary_final = 1;
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}
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}
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@ -1802,7 +1909,7 @@ int *cmpr_method;
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if (zfwrite(f_obuf, 1, len_out) != len_out) {
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ziperr(ZE_TEMP, "error writing to zipfile");
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}
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bstrm.next_out = f_obuf;
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bstrm.next_out = (char *)f_obuf;
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bstrm.avail_out = OBUF_SZ;
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}
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} while (err == BZ_FINISH_OK);
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