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authorBrian <none@none>2010-08-26 18:33:11 -0600
committerBrian <none@none>2010-08-26 18:33:11 -0600
commit350ba75fc4eecc667ddc83617b4b362d88844c60 (patch)
tree933b160b8060b8434c686c2ffb3f56b63ec73728 /dep/libzip/lib/zip_close.c
parentf89a27dc98901cca611f4f5249a8fcd64ceb664f (diff)
Core/Dep: Remove libzip
--HG-- branch : trunk
Diffstat (limited to 'dep/libzip/lib/zip_close.c')
-rw-r--r--dep/libzip/lib/zip_close.c679
1 files changed, 0 insertions, 679 deletions
diff --git a/dep/libzip/lib/zip_close.c b/dep/libzip/lib/zip_close.c
deleted file mode 100644
index c6885d96a93..00000000000
--- a/dep/libzip/lib/zip_close.c
+++ /dev/null
@@ -1,679 +0,0 @@
-/*
- zip_close.c -- close zip archive and update changes
- Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
-
- This file is part of libzip, a library to manipulate ZIP archives.
- The authors can be contacted at <libzip@nih.at>
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
- 3. The names of the authors may not be used to endorse or promote
- products derived from this software without specific prior
- written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
- OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include "zipint.h"
-
-static int add_data(struct zip *, struct zip_source *, struct zip_dirent *,
- FILE *);
-static int add_data_comp(zip_source_callback, void *, struct zip_stat *,
- FILE *, struct zip_error *);
-static int add_data_uncomp(struct zip *, zip_source_callback, void *,
- struct zip_stat *, FILE *);
-static void ch_set_error(struct zip_error *, zip_source_callback, void *);
-static int copy_data(FILE *, off_t, FILE *, struct zip_error *);
-static int write_cdir(struct zip *, struct zip_cdir *, FILE *);
-static int _zip_cdir_set_comment(struct zip_cdir *, struct zip *);
-static int _zip_changed(struct zip *, int *);
-static char *_zip_create_temp_output(struct zip *, FILE **);
-static int _zip_torrentzip_cmp(const void *, const void *);
-
-
-
-struct filelist {
- int idx;
- const char *name;
-};
-
-
-
-ZIP_EXTERN int
-zip_close(struct zip *za)
-{
- int survivors;
- int i, j, error;
- char *temp;
- FILE *out;
- mode_t mask;
- struct zip_cdir *cd;
- struct zip_dirent de;
- struct filelist *filelist;
- int reopen_on_error;
- int new_torrentzip;
-
- reopen_on_error = 0;
-
- if (za == NULL)
- return -1;
-
- if (!_zip_changed(za, &survivors)) {
- _zip_free(za);
- return 0;
- }
-
- /* don't create zip files with no entries */
- if (survivors == 0) {
- if (za->zn && za->zp) {
- if (remove(za->zn) != 0) {
- _zip_error_set(&za->error, ZIP_ER_REMOVE, errno);
- return -1;
- }
- }
- _zip_free(za);
- return 0;
- }
-
- if ((filelist=(struct filelist *)malloc(sizeof(filelist[0])*survivors))
- == NULL)
- return -1;
-
- if ((cd=_zip_cdir_new(survivors, &za->error)) == NULL) {
- free(filelist);
- return -1;
- }
-
- for (i=0; i<survivors; i++)
- _zip_dirent_init(&cd->entry[i]);
-
- /* archive comment is special for torrentzip */
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0)) {
- cd->comment = _zip_memdup(TORRENT_SIG "XXXXXXXX",
- TORRENT_SIG_LEN + TORRENT_CRC_LEN,
- &za->error);
- if (cd->comment == NULL) {
- _zip_cdir_free(cd);
- free(filelist);
- return -1;
- }
- cd->comment_len = TORRENT_SIG_LEN + TORRENT_CRC_LEN;
- }
- else if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, ZIP_FL_UNCHANGED) == 0) {
- if (_zip_cdir_set_comment(cd, za) == -1) {
- _zip_cdir_free(cd);
- free(filelist);
- return -1;
- }
- }
-
- if ((temp=_zip_create_temp_output(za, &out)) == NULL) {
- _zip_cdir_free(cd);
- free(filelist);
- return -1;
- }
-
-
- /* create list of files with index into original archive */
- for (i=j=0; i<za->nentry; i++) {
- if (za->entry[i].state == ZIP_ST_DELETED)
- continue;
-
- filelist[j].idx = i;
- filelist[j].name = zip_get_name(za, i, 0);
- j++;
- }
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
- qsort(filelist, survivors, sizeof(filelist[0]),
- _zip_torrentzip_cmp);
-
- new_torrentzip = (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 1
- && zip_get_archive_flag(za, ZIP_AFL_TORRENT,
- ZIP_FL_UNCHANGED) == 0);
- error = 0;
- for (j=0; j<survivors; j++) {
- i = filelist[j].idx;
-
- /* create new local directory entry */
- if (ZIP_ENTRY_DATA_CHANGED(za->entry+i) || new_torrentzip) {
- _zip_dirent_init(&de);
-
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
- _zip_dirent_torrent_normalize(&de);
-
- /* use it as central directory entry */
- memcpy(cd->entry+j, &de, sizeof(cd->entry[j]));
-
- /* set/update file name */
- if (za->entry[i].ch_filename == NULL) {
- if (za->entry[i].state == ZIP_ST_ADDED) {
- de.filename = strdup("-");
- de.filename_len = 1;
- cd->entry[j].filename = "-";
- cd->entry[j].filename_len = 1;
- }
- else {
- de.filename = strdup(za->cdir->entry[i].filename);
- de.filename_len = strlen(de.filename);
- cd->entry[j].filename = za->cdir->entry[i].filename;
- cd->entry[j].filename_len = de.filename_len;
- }
- }
- }
- else {
- /* copy existing directory entries */
- if (fseeko(za->zp, za->cdir->entry[i].offset, SEEK_SET) != 0) {
- _zip_error_set(&za->error, ZIP_ER_SEEK, errno);
- error = 1;
- break;
- }
- if (_zip_dirent_read(&de, za->zp, NULL, NULL, 1,
- &za->error) != 0) {
- error = 1;
- break;
- }
- memcpy(cd->entry+j, za->cdir->entry+i, sizeof(cd->entry[j]));
- if (de.bitflags & ZIP_GPBF_DATA_DESCRIPTOR) {
- de.crc = za->cdir->entry[i].crc;
- de.comp_size = za->cdir->entry[i].comp_size;
- de.uncomp_size = za->cdir->entry[i].uncomp_size;
- de.bitflags &= ~ZIP_GPBF_DATA_DESCRIPTOR;
- cd->entry[j].bitflags &= ~ZIP_GPBF_DATA_DESCRIPTOR;
- }
- }
-
- if (za->entry[i].ch_filename) {
- free(de.filename);
- if ((de.filename=strdup(za->entry[i].ch_filename)) == NULL) {
- error = 1;
- break;
- }
- de.filename_len = strlen(de.filename);
- cd->entry[j].filename = za->entry[i].ch_filename;
- cd->entry[j].filename_len = de.filename_len;
- }
-
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 0
- && za->entry[i].ch_comment_len != -1) {
- /* as the rest of cd entries, its malloc/free is done by za */
- cd->entry[j].comment = za->entry[i].ch_comment;
- cd->entry[j].comment_len = za->entry[i].ch_comment_len;
- }
-
- cd->entry[j].offset = ftello(out);
-
- if (ZIP_ENTRY_DATA_CHANGED(za->entry+i) || new_torrentzip) {
- struct zip_source *zs;
-
- zs = NULL;
- if (!ZIP_ENTRY_DATA_CHANGED(za->entry+i)) {
- if ((zs=zip_source_zip(za, za, i, ZIP_FL_RECOMPRESS, 0, -1))
- == NULL) {
- error = 1;
- break;
- }
- }
-
- if (add_data(za, zs ? zs : za->entry[i].source, &de, out) < 0) {
- error = 1;
- break;
- }
- cd->entry[j].last_mod = de.last_mod;
- cd->entry[j].comp_method = de.comp_method;
- cd->entry[j].comp_size = de.comp_size;
- cd->entry[j].uncomp_size = de.uncomp_size;
- cd->entry[j].crc = de.crc;
- }
- else {
- if (_zip_dirent_write(&de, out, 1, &za->error) < 0) {
- error = 1;
- break;
- }
- /* we just read the local dirent, file is at correct position */
- if (copy_data(za->zp, cd->entry[j].comp_size, out,
- &za->error) < 0) {
- error = 1;
- break;
- }
- }
-
- _zip_dirent_finalize(&de);
- }
-
- free(filelist);
-
- if (!error) {
- if (write_cdir(za, cd, out) < 0)
- error = 1;
- }
-
- /* pointers in cd entries are owned by za */
- cd->nentry = 0;
- _zip_cdir_free(cd);
-
- if (error) {
- _zip_dirent_finalize(&de);
- fclose(out);
- remove(temp);
- free(temp);
- return -1;
- }
-
- if (fclose(out) != 0) {
- _zip_error_set(&za->error, ZIP_ER_CLOSE, errno);
- remove(temp);
- free(temp);
- return -1;
- }
-
- if (za->zp) {
- fclose(za->zp);
- za->zp = NULL;
- reopen_on_error = 1;
- }
- if (_zip_rename(temp, za->zn) != 0) {
- _zip_error_set(&za->error, ZIP_ER_RENAME, errno);
- remove(temp);
- free(temp);
- if (reopen_on_error) {
- /* ignore errors, since we're already in an error case */
- za->zp = fopen(za->zn, "rb");
- }
- return -1;
- }
- mask = umask(0);
- umask(mask);
- chmod(za->zn, 0666&~mask);
-
- _zip_free(za);
- free(temp);
-
- return 0;
-}
-
-
-
-static int
-add_data(struct zip *za, struct zip_source *zs, struct zip_dirent *de, FILE *ft)
-{
- off_t offstart, offend;
- zip_source_callback cb;
- void *ud;
- struct zip_stat st;
-
- cb = zs->f;
- ud = zs->ud;
-
- if (cb(ud, &st, sizeof(st), ZIP_SOURCE_STAT) < (ssize_t)sizeof(st)) {
- ch_set_error(&za->error, cb, ud);
- return -1;
- }
-
- if (cb(ud, NULL, 0, ZIP_SOURCE_OPEN) < 0) {
- ch_set_error(&za->error, cb, ud);
- return -1;
- }
-
- offstart = ftello(ft);
-
- if (_zip_dirent_write(de, ft, 1, &za->error) < 0)
- return -1;
-
- if (st.comp_method != ZIP_CM_STORE) {
- if (add_data_comp(cb, ud, &st, ft, &za->error) < 0)
- return -1;
- }
- else {
- if (add_data_uncomp(za, cb, ud, &st, ft) < 0)
- return -1;
- }
-
- if (cb(ud, NULL, 0, ZIP_SOURCE_CLOSE) < 0) {
- ch_set_error(&za->error, cb, ud);
- return -1;
- }
-
- offend = ftello(ft);
-
- if (fseeko(ft, offstart, SEEK_SET) < 0) {
- _zip_error_set(&za->error, ZIP_ER_SEEK, errno);
- return -1;
- }
-
-
- de->last_mod = st.mtime;
- de->comp_method = st.comp_method;
- de->crc = st.crc;
- de->uncomp_size = st.size;
- de->comp_size = st.comp_size;
-
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
- _zip_dirent_torrent_normalize(de);
-
- if (_zip_dirent_write(de, ft, 1, &za->error) < 0)
- return -1;
-
- if (fseeko(ft, offend, SEEK_SET) < 0) {
- _zip_error_set(&za->error, ZIP_ER_SEEK, errno);
- return -1;
- }
-
- return 0;
-}
-
-
-
-static int
-add_data_comp(zip_source_callback cb, void *ud, struct zip_stat *st,FILE *ft,
- struct zip_error *error)
-{
- char buf[BUFSIZE];
- ssize_t n;
-
- st->comp_size = 0;
- while ((n=cb(ud, buf, sizeof(buf), ZIP_SOURCE_READ)) > 0) {
- if (fwrite(buf, 1, n, ft) != (size_t)n) {
- _zip_error_set(error, ZIP_ER_WRITE, errno);
- return -1;
- }
-
- st->comp_size += n;
- }
- if (n < 0) {
- ch_set_error(error, cb, ud);
- return -1;
- }
-
- return 0;
-}
-
-
-
-static int
-add_data_uncomp(struct zip *za, zip_source_callback cb, void *ud,
- struct zip_stat *st, FILE *ft)
-{
- char b1[BUFSIZE], b2[BUFSIZE];
- int end, flush, ret;
- ssize_t n;
- size_t n2;
- z_stream zstr;
- int mem_level;
-
- st->comp_method = ZIP_CM_DEFLATE;
- st->comp_size = st->size = 0;
- st->crc = crc32(0, NULL, 0);
-
- zstr.zalloc = Z_NULL;
- zstr.zfree = Z_NULL;
- zstr.opaque = NULL;
- zstr.avail_in = 0;
- zstr.avail_out = 0;
-
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
- mem_level = TORRENT_MEM_LEVEL;
- else
- mem_level = MAX_MEM_LEVEL;
-
- /* -MAX_WBITS: undocumented feature of zlib to _not_ write a zlib header */
- deflateInit2(&zstr, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, mem_level,
- Z_DEFAULT_STRATEGY);
-
- zstr.next_out = (Bytef *)b2;
- zstr.avail_out = sizeof(b2);
- zstr.next_in = NULL;
- zstr.avail_in = 0;
-
- flush = 0;
- end = 0;
- while (!end) {
- if (zstr.avail_in == 0 && !flush) {
- if ((n=cb(ud, b1, sizeof(b1), ZIP_SOURCE_READ)) < 0) {
- ch_set_error(&za->error, cb, ud);
- deflateEnd(&zstr);
- return -1;
- }
- if (n > 0) {
- zstr.avail_in = n;
- zstr.next_in = (Bytef *)b1;
- st->size += n;
- st->crc = crc32(st->crc, (Bytef *)b1, n);
- }
- else
- flush = Z_FINISH;
- }
-
- ret = deflate(&zstr, flush);
- if (ret != Z_OK && ret != Z_STREAM_END) {
- _zip_error_set(&za->error, ZIP_ER_ZLIB, ret);
- return -1;
- }
-
- if (zstr.avail_out != sizeof(b2)) {
- n2 = sizeof(b2) - zstr.avail_out;
-
- if (fwrite(b2, 1, n2, ft) != n2) {
- _zip_error_set(&za->error, ZIP_ER_WRITE, errno);
- return -1;
- }
-
- zstr.next_out = (Bytef *)b2;
- zstr.avail_out = sizeof(b2);
- st->comp_size += n2;
- }
-
- if (ret == Z_STREAM_END) {
- deflateEnd(&zstr);
- end = 1;
- }
- }
-
- return 0;
-}
-
-
-
-static void
-ch_set_error(struct zip_error *error, zip_source_callback cb, void *ud)
-{
- int e[2];
-
- if ((cb(ud, e, sizeof(e), ZIP_SOURCE_ERROR)) < (ssize_t)sizeof(e)) {
- error->zip_err = ZIP_ER_INTERNAL;
- error->sys_err = 0;
- }
- else {
- error->zip_err = e[0];
- error->sys_err = e[1];
- }
-}
-
-
-
-static int
-copy_data(FILE *fs, off_t len, FILE *ft, struct zip_error *error)
-{
- char buf[BUFSIZE];
- int n, nn;
-
- if (len == 0)
- return 0;
-
- while (len > 0) {
- nn = len > sizeof(buf) ? sizeof(buf) : len;
- if ((n=fread(buf, 1, nn, fs)) < 0) {
- _zip_error_set(error, ZIP_ER_READ, errno);
- return -1;
- }
- else if (n == 0) {
- _zip_error_set(error, ZIP_ER_EOF, 0);
- return -1;
- }
-
- if (fwrite(buf, 1, n, ft) != (size_t)n) {
- _zip_error_set(error, ZIP_ER_WRITE, errno);
- return -1;
- }
-
- len -= n;
- }
-
- return 0;
-}
-
-
-
-static int
-write_cdir(struct zip *za, struct zip_cdir *cd, FILE *out)
-{
- off_t offset;
- uLong crc;
- char buf[TORRENT_CRC_LEN+1];
-
- if (_zip_cdir_write(cd, out, &za->error) < 0)
- return -1;
-
- if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 0)
- return 0;
-
-
- /* fix up torrentzip comment */
-
- offset = ftello(out);
-
- if (_zip_filerange_crc(out, cd->offset, cd->size, &crc, &za->error) < 0)
- return -1;
-
- snprintf(buf, sizeof(buf), "%08lX", (long)crc);
-
- if (fseeko(out, offset-TORRENT_CRC_LEN, SEEK_SET) < 0) {
- _zip_error_set(&za->error, ZIP_ER_SEEK, errno);
- return -1;
- }
-
- if (fwrite(buf, TORRENT_CRC_LEN, 1, out) != 1) {
- _zip_error_set(&za->error, ZIP_ER_WRITE, errno);
- return -1;
- }
-
- return 0;
-}
-
-
-
-static int
-_zip_cdir_set_comment(struct zip_cdir *dest, struct zip *src)
-{
- if (src->ch_comment_len != -1) {
- dest->comment = _zip_memdup(src->ch_comment,
- src->ch_comment_len, &src->error);
- if (dest->comment == NULL)
- return -1;
- dest->comment_len = src->ch_comment_len;
- } else {
- if (src->cdir && src->cdir->comment) {
- dest->comment = _zip_memdup(src->cdir->comment,
- src->cdir->comment_len, &src->error);
- if (dest->comment == NULL)
- return -1;
- dest->comment_len = src->cdir->comment_len;
- }
- }
-
- return 0;
-}
-
-
-
-static int
-_zip_changed(struct zip *za, int *survivorsp)
-{
- int changed, i, survivors;
-
- changed = survivors = 0;
-
- if (za->ch_comment_len != -1
- || za->ch_flags != za->flags)
- changed = 1;
-
- for (i=0; i<za->nentry; i++) {
- if ((za->entry[i].state != ZIP_ST_UNCHANGED)
- || (za->entry[i].ch_comment_len != -1))
- changed = 1;
- if (za->entry[i].state != ZIP_ST_DELETED)
- survivors++;
- }
-
- *survivorsp = survivors;
-
- return changed;
-}
-
-
-
-static char *
-_zip_create_temp_output(struct zip *za, FILE **outp)
-{
- char *temp;
- int tfd;
- FILE *tfp;
-
- if ((temp=(char *)malloc(strlen(za->zn)+8)) == NULL) {
- _zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
- return NULL;
- }
-
- sprintf(temp, "%s.XXXXXX", za->zn);
-
- if ((tfd=mkstemp(temp)) == -1) {
- _zip_error_set(&za->error, ZIP_ER_TMPOPEN, errno);
- free(temp);
- return NULL;
- }
-
- if ((tfp=fdopen(tfd, "r+b")) == NULL) {
- _zip_error_set(&za->error, ZIP_ER_TMPOPEN, errno);
- close(tfd);
- remove(temp);
- free(temp);
- return NULL;
- }
-
- *outp = tfp;
- return temp;
-}
-
-
-
-static int
-_zip_torrentzip_cmp(const void *a, const void *b)
-{
- return strcasecmp(((const struct filelist *)a)->name,
- ((const struct filelist *)b)->name);
-}