Model loading and texturing
This commit is contained in:
Dane Johnson
6511
thirdparty/assimp/contrib/zip/src/miniz.h
vendored
Normal file
6511
thirdparty/assimp/contrib/zip/src/miniz.h
vendored
Normal file
File diff suppressed because it is too large
Load Diff
926
thirdparty/assimp/contrib/zip/src/zip.c
vendored
Normal file
926
thirdparty/assimp/contrib/zip/src/zip.c
vendored
Normal file
@@ -0,0 +1,926 @@
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/*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#define __STDC_WANT_LIB_EXT1__ 1
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#include <errno.h>
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#include <sys/stat.h>
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#include <time.h>
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#if defined(_WIN32) || defined(__WIN32__) || defined(_MSC_VER) || \
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defined(__MINGW32__)
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/* Win32, DOS, MSVC, MSVS */
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#include <direct.h>
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#define MKDIR(DIRNAME) _mkdir(DIRNAME)
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#define STRCLONE(STR) ((STR) ? _strdup(STR) : NULL)
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#define HAS_DEVICE(P) \
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((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) && \
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(P)[1] == ':')
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#define FILESYSTEM_PREFIX_LEN(P) (HAS_DEVICE(P) ? 2 : 0)
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#define ISSLASH(C) ((C) == '/' || (C) == '\\')
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#else
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#include <unistd.h> // needed for symlink() on BSD
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int symlink(const char *target, const char *linkpath); // needed on Linux
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#define MKDIR(DIRNAME) mkdir(DIRNAME, 0755)
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#define STRCLONE(STR) ((STR) ? strdup(STR) : NULL)
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#endif
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#include "miniz.h"
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#include "zip.h"
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#ifndef HAS_DEVICE
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#define HAS_DEVICE(P) 0
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#endif
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#ifndef FILESYSTEM_PREFIX_LEN
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#define FILESYSTEM_PREFIX_LEN(P) 0
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#endif
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#ifndef ISSLASH
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#define ISSLASH(C) ((C) == '/')
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#endif
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#define CLEANUP(ptr) \
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do { \
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if (ptr) { \
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free((void *)ptr); \
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ptr = NULL; \
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} \
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} while (0)
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static const char *base_name(const char *name) {
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char const *p;
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char const *base = name += FILESYSTEM_PREFIX_LEN(name);
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int all_slashes = 1;
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for (p = name; *p; p++) {
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if (ISSLASH(*p))
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base = p + 1;
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else
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all_slashes = 0;
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}
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/* If NAME is all slashes, arrange to return `/'. */
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if (*base == '\0' && ISSLASH(*name) && all_slashes)
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--base;
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return base;
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}
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static int mkpath(const char *path) {
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char const *p;
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char npath[MAX_PATH + 1];
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int len = 0;
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int has_device = HAS_DEVICE(path);
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memset(npath, 0, MAX_PATH + 1);
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#ifdef _WIN32
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// only on windows fix the path
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npath[0] = path[0];
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npath[1] = path[1];
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len = 2;
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#endif // _WIN32
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for (p = path + len; *p && len < MAX_PATH; p++) {
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if (ISSLASH(*p) && ((!has_device && len > 0) || (has_device && len > 2))) {
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if (MKDIR(npath) == -1)
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if (errno != EEXIST)
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return -1;
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}
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npath[len++] = *p;
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}
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return 0;
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}
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static char *strrpl(const char *str, size_t n, char oldchar, char newchar) {
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char c;
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size_t i;
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char *rpl = (char *)calloc((1 + n), sizeof(char));
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char *begin = rpl;
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if (!rpl) {
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return NULL;
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}
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for (i = 0; (i < n) && (c = *str++); ++i) {
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if (c == oldchar) {
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c = newchar;
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}
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*rpl++ = c;
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}
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return begin;
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}
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struct zip_entry_t {
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int index;
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char *name;
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mz_uint64 uncomp_size;
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mz_uint64 comp_size;
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mz_uint32 uncomp_crc32;
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mz_uint64 offset;
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mz_uint8 header[MZ_ZIP_LOCAL_DIR_HEADER_SIZE];
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mz_uint64 header_offset;
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mz_uint16 method;
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mz_zip_writer_add_state state;
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tdefl_compressor comp;
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mz_uint32 external_attr;
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time_t m_time;
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};
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struct zip_t {
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mz_zip_archive archive;
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mz_uint level;
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struct zip_entry_t entry;
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};
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struct zip_t *zip_open(const char *zipname, int level, char mode) {
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struct zip_t *zip = NULL;
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if (!zipname || strlen(zipname) < 1) {
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// zip_t archive name is empty or NULL
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goto cleanup;
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}
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if (level < 0)
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level = MZ_DEFAULT_LEVEL;
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if ((level & 0xF) > MZ_UBER_COMPRESSION) {
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// Wrong compression level
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goto cleanup;
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}
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zip = (struct zip_t *)calloc((size_t)1, sizeof(struct zip_t));
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if (!zip)
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goto cleanup;
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zip->level = (mz_uint)level;
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switch (mode) {
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case 'w':
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// Create a new archive.
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if (!mz_zip_writer_init_file(&(zip->archive), zipname, 0)) {
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// Cannot initialize zip_archive writer
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goto cleanup;
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}
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break;
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case 'r':
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case 'a':
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if (!mz_zip_reader_init_file(
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&(zip->archive), zipname,
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zip->level | MZ_ZIP_FLAG_DO_NOT_SORT_CENTRAL_DIRECTORY)) {
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// An archive file does not exist or cannot initialize
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// zip_archive reader
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goto cleanup;
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}
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if (mode == 'a' &&
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!mz_zip_writer_init_from_reader(&(zip->archive), zipname)) {
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mz_zip_reader_end(&(zip->archive));
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goto cleanup;
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}
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break;
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default:
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goto cleanup;
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}
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return zip;
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cleanup:
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CLEANUP(zip);
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return NULL;
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}
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void zip_close(struct zip_t *zip) {
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if (zip) {
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// Always finalize, even if adding failed for some reason, so we have a
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// valid central directory.
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mz_zip_writer_finalize_archive(&(zip->archive));
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mz_zip_writer_end(&(zip->archive));
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mz_zip_reader_end(&(zip->archive));
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CLEANUP(zip);
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}
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}
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int zip_entry_open(struct zip_t *zip, const char *entryname) {
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size_t entrylen = 0;
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mz_zip_archive *pzip = NULL;
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mz_uint num_alignment_padding_bytes, level;
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mz_zip_archive_file_stat stats;
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if (!zip || !entryname) {
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return -1;
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}
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entrylen = strlen(entryname);
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if (entrylen < 1) {
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return -1;
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}
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/*
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.ZIP File Format Specification Version: 6.3.3
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4.4.17.1 The name of the file, with optional relative path.
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The path stored MUST not contain a drive or
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device letter, or a leading slash. All slashes
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MUST be forward slashes '/' as opposed to
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backwards slashes '\' for compatibility with Amiga
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and UNIX file systems etc. If input came from standard
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input, there is no file name field.
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*/
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zip->entry.name = strrpl(entryname, entrylen, '\\', '/');
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if (!zip->entry.name) {
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// Cannot parse zip entry name
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return -1;
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}
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pzip = &(zip->archive);
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if (pzip->m_zip_mode == MZ_ZIP_MODE_READING) {
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zip->entry.index =
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mz_zip_reader_locate_file(pzip, zip->entry.name, NULL, 0);
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if (zip->entry.index < 0) {
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goto cleanup;
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}
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if (!mz_zip_reader_file_stat(pzip, (mz_uint)zip->entry.index, &stats)) {
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goto cleanup;
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}
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zip->entry.comp_size = stats.m_comp_size;
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zip->entry.uncomp_size = stats.m_uncomp_size;
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zip->entry.uncomp_crc32 = stats.m_crc32;
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zip->entry.offset = stats.m_central_dir_ofs;
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zip->entry.header_offset = stats.m_local_header_ofs;
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zip->entry.method = stats.m_method;
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zip->entry.external_attr = stats.m_external_attr;
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zip->entry.m_time = stats.m_time;
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return 0;
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}
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zip->entry.index = (int)zip->archive.m_total_files;
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zip->entry.comp_size = 0;
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zip->entry.uncomp_size = 0;
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zip->entry.uncomp_crc32 = MZ_CRC32_INIT;
|
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zip->entry.offset = zip->archive.m_archive_size;
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zip->entry.header_offset = zip->archive.m_archive_size;
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memset(zip->entry.header, 0, MZ_ZIP_LOCAL_DIR_HEADER_SIZE * sizeof(mz_uint8));
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zip->entry.method = 0;
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||||
zip->entry.external_attr = 0;
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num_alignment_padding_bytes =
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mz_zip_writer_compute_padding_needed_for_file_alignment(pzip);
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|
||||
if (!pzip->m_pState || (pzip->m_zip_mode != MZ_ZIP_MODE_WRITING)) {
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||||
// Wrong zip mode
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||||
goto cleanup;
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||||
}
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||||
if (zip->level & MZ_ZIP_FLAG_COMPRESSED_DATA) {
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||||
// Wrong zip compression level
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||||
goto cleanup;
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||||
}
|
||||
// no zip64 support yet
|
||||
if ((pzip->m_total_files == 0xFFFF) ||
|
||||
((pzip->m_archive_size + num_alignment_padding_bytes +
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MZ_ZIP_LOCAL_DIR_HEADER_SIZE + MZ_ZIP_CENTRAL_DIR_HEADER_SIZE +
|
||||
entrylen) > 0xFFFFFFFF)) {
|
||||
// No zip64 support yet
|
||||
goto cleanup;
|
||||
}
|
||||
if (!mz_zip_writer_write_zeros(pzip, zip->entry.offset,
|
||||
num_alignment_padding_bytes +
|
||||
sizeof(zip->entry.header))) {
|
||||
// Cannot memset zip entry header
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
zip->entry.header_offset += num_alignment_padding_bytes;
|
||||
if (pzip->m_file_offset_alignment) {
|
||||
MZ_ASSERT(
|
||||
(zip->entry.header_offset & (pzip->m_file_offset_alignment - 1)) == 0);
|
||||
}
|
||||
zip->entry.offset += num_alignment_padding_bytes + sizeof(zip->entry.header);
|
||||
|
||||
if (pzip->m_pWrite(pzip->m_pIO_opaque, zip->entry.offset, zip->entry.name,
|
||||
entrylen) != entrylen) {
|
||||
// Cannot write data to zip entry
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
zip->entry.offset += entrylen;
|
||||
level = zip->level & 0xF;
|
||||
if (level) {
|
||||
zip->entry.state.m_pZip = pzip;
|
||||
zip->entry.state.m_cur_archive_file_ofs = zip->entry.offset;
|
||||
zip->entry.state.m_comp_size = 0;
|
||||
|
||||
if (tdefl_init(&(zip->entry.comp), mz_zip_writer_add_put_buf_callback,
|
||||
&(zip->entry.state),
|
||||
(int)tdefl_create_comp_flags_from_zip_params(
|
||||
(int)level, -15, MZ_DEFAULT_STRATEGY)) !=
|
||||
TDEFL_STATUS_OKAY) {
|
||||
// Cannot initialize the zip compressor
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
|
||||
zip->entry.m_time = time(NULL);
|
||||
|
||||
return 0;
|
||||
|
||||
cleanup:
|
||||
CLEANUP(zip->entry.name);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int zip_entry_openbyindex(struct zip_t *zip, int index) {
|
||||
mz_zip_archive *pZip = NULL;
|
||||
mz_zip_archive_file_stat stats;
|
||||
mz_uint namelen;
|
||||
const mz_uint8 *pHeader;
|
||||
const char *pFilename;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
pZip = &(zip->archive);
|
||||
if (pZip->m_zip_mode != MZ_ZIP_MODE_READING) {
|
||||
// open by index requires readonly mode
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (index < 0 || (mz_uint)index >= pZip->m_total_files) {
|
||||
// index out of range
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!(pHeader = &MZ_ZIP_ARRAY_ELEMENT(
|
||||
&pZip->m_pState->m_central_dir, mz_uint8,
|
||||
MZ_ZIP_ARRAY_ELEMENT(&pZip->m_pState->m_central_dir_offsets,
|
||||
mz_uint32, index)))) {
|
||||
// cannot find header in central directory
|
||||
return -1;
|
||||
}
|
||||
|
||||
namelen = MZ_READ_LE16(pHeader + MZ_ZIP_CDH_FILENAME_LEN_OFS);
|
||||
pFilename = (const char *)pHeader + MZ_ZIP_CENTRAL_DIR_HEADER_SIZE;
|
||||
|
||||
/*
|
||||
.ZIP File Format Specification Version: 6.3.3
|
||||
|
||||
4.4.17.1 The name of the file, with optional relative path.
|
||||
The path stored MUST not contain a drive or
|
||||
device letter, or a leading slash. All slashes
|
||||
MUST be forward slashes '/' as opposed to
|
||||
backwards slashes '\' for compatibility with Amiga
|
||||
and UNIX file systems etc. If input came from standard
|
||||
input, there is no file name field.
|
||||
*/
|
||||
zip->entry.name = strrpl(pFilename, namelen, '\\', '/');
|
||||
if (!zip->entry.name) {
|
||||
// local entry name is NULL
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!mz_zip_reader_file_stat(pZip, (mz_uint)index, &stats)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
zip->entry.index = index;
|
||||
zip->entry.comp_size = stats.m_comp_size;
|
||||
zip->entry.uncomp_size = stats.m_uncomp_size;
|
||||
zip->entry.uncomp_crc32 = stats.m_crc32;
|
||||
zip->entry.offset = stats.m_central_dir_ofs;
|
||||
zip->entry.header_offset = stats.m_local_header_ofs;
|
||||
zip->entry.method = stats.m_method;
|
||||
zip->entry.external_attr = stats.m_external_attr;
|
||||
zip->entry.m_time = stats.m_time;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int zip_entry_close(struct zip_t *zip) {
|
||||
mz_zip_archive *pzip = NULL;
|
||||
mz_uint level;
|
||||
tdefl_status done;
|
||||
mz_uint16 entrylen;
|
||||
mz_uint16 dos_time, dos_date;
|
||||
int status = -1;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
pzip = &(zip->archive);
|
||||
if (pzip->m_zip_mode == MZ_ZIP_MODE_READING) {
|
||||
status = 0;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
level = zip->level & 0xF;
|
||||
if (level) {
|
||||
done = tdefl_compress_buffer(&(zip->entry.comp), "", 0, TDEFL_FINISH);
|
||||
if (done != TDEFL_STATUS_DONE && done != TDEFL_STATUS_OKAY) {
|
||||
// Cannot flush compressed buffer
|
||||
goto cleanup;
|
||||
}
|
||||
zip->entry.comp_size = zip->entry.state.m_comp_size;
|
||||
zip->entry.offset = zip->entry.state.m_cur_archive_file_ofs;
|
||||
zip->entry.method = MZ_DEFLATED;
|
||||
}
|
||||
|
||||
entrylen = (mz_uint16)strlen(zip->entry.name);
|
||||
// no zip64 support yet
|
||||
if ((zip->entry.comp_size > 0xFFFFFFFF) || (zip->entry.offset > 0xFFFFFFFF)) {
|
||||
// No zip64 support, yet
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
mz_zip_time_t_to_dos_time(zip->entry.m_time, &dos_time, &dos_date);
|
||||
if (!mz_zip_writer_create_local_dir_header(
|
||||
pzip, zip->entry.header, entrylen, 0, zip->entry.uncomp_size,
|
||||
zip->entry.comp_size, zip->entry.uncomp_crc32, zip->entry.method, 0,
|
||||
dos_time, dos_date)) {
|
||||
// Cannot create zip entry header
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
if (pzip->m_pWrite(pzip->m_pIO_opaque, zip->entry.header_offset,
|
||||
zip->entry.header,
|
||||
sizeof(zip->entry.header)) != sizeof(zip->entry.header)) {
|
||||
// Cannot write zip entry header
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
if (!mz_zip_writer_add_to_central_dir(
|
||||
pzip, zip->entry.name, entrylen, NULL, 0, "", 0,
|
||||
zip->entry.uncomp_size, zip->entry.comp_size, zip->entry.uncomp_crc32,
|
||||
zip->entry.method, 0, dos_time, dos_date, zip->entry.header_offset,
|
||||
zip->entry.external_attr)) {
|
||||
// Cannot write to zip central dir
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
pzip->m_total_files++;
|
||||
pzip->m_archive_size = zip->entry.offset;
|
||||
status = 0;
|
||||
|
||||
cleanup:
|
||||
if (zip) {
|
||||
zip->entry.m_time = 0;
|
||||
CLEANUP(zip->entry.name);
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
const char *zip_entry_name(struct zip_t *zip) {
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return zip->entry.name;
|
||||
}
|
||||
|
||||
int zip_entry_index(struct zip_t *zip) {
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
return zip->entry.index;
|
||||
}
|
||||
|
||||
int zip_entry_isdir(struct zip_t *zip) {
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (zip->entry.index < 0) {
|
||||
// zip entry is not opened
|
||||
return -1;
|
||||
}
|
||||
|
||||
return (int)mz_zip_reader_is_file_a_directory(&zip->archive,
|
||||
(mz_uint)zip->entry.index);
|
||||
}
|
||||
|
||||
unsigned long long zip_entry_size(struct zip_t *zip) {
|
||||
return zip ? zip->entry.uncomp_size : 0;
|
||||
}
|
||||
|
||||
unsigned int zip_entry_crc32(struct zip_t *zip) {
|
||||
return zip ? zip->entry.uncomp_crc32 : 0;
|
||||
}
|
||||
|
||||
int zip_entry_write(struct zip_t *zip, const void *buf, size_t bufsize) {
|
||||
mz_uint level;
|
||||
mz_zip_archive *pzip = NULL;
|
||||
tdefl_status status;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
pzip = &(zip->archive);
|
||||
if (buf && bufsize > 0) {
|
||||
zip->entry.uncomp_size += bufsize;
|
||||
zip->entry.uncomp_crc32 = (mz_uint32)mz_crc32(
|
||||
zip->entry.uncomp_crc32, (const mz_uint8 *)buf, bufsize);
|
||||
|
||||
level = zip->level & 0xF;
|
||||
if (!level) {
|
||||
if ((pzip->m_pWrite(pzip->m_pIO_opaque, zip->entry.offset, buf,
|
||||
bufsize) != bufsize)) {
|
||||
// Cannot write buffer
|
||||
return -1;
|
||||
}
|
||||
zip->entry.offset += bufsize;
|
||||
zip->entry.comp_size += bufsize;
|
||||
} else {
|
||||
status = tdefl_compress_buffer(&(zip->entry.comp), buf, bufsize,
|
||||
TDEFL_NO_FLUSH);
|
||||
if (status != TDEFL_STATUS_DONE && status != TDEFL_STATUS_OKAY) {
|
||||
// Cannot compress buffer
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int zip_entry_fwrite(struct zip_t *zip, const char *filename) {
|
||||
int status = 0;
|
||||
size_t n = 0;
|
||||
FILE *stream = NULL;
|
||||
mz_uint8 buf[MZ_ZIP_MAX_IO_BUF_SIZE];
|
||||
struct MZ_FILE_STAT_STRUCT file_stat;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
memset(buf, 0, MZ_ZIP_MAX_IO_BUF_SIZE);
|
||||
memset((void *)&file_stat, 0, sizeof(struct MZ_FILE_STAT_STRUCT));
|
||||
if (MZ_FILE_STAT(filename, &file_stat) != 0) {
|
||||
// problem getting information - check errno
|
||||
return -1;
|
||||
}
|
||||
|
||||
if ((file_stat.st_mode & 0200) == 0) {
|
||||
// MS-DOS read-only attribute
|
||||
zip->entry.external_attr |= 0x01;
|
||||
}
|
||||
zip->entry.external_attr |= (mz_uint32)((file_stat.st_mode & 0xFFFF) << 16);
|
||||
zip->entry.m_time = file_stat.st_mtime;
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
if (fopen_s(&stream, filename, "rb"))
|
||||
#else
|
||||
if (!(stream = fopen(filename, "rb")))
|
||||
#endif
|
||||
{
|
||||
// Cannot open filename
|
||||
return -1;
|
||||
}
|
||||
|
||||
while ((n = fread(buf, sizeof(mz_uint8), MZ_ZIP_MAX_IO_BUF_SIZE, stream)) >
|
||||
0) {
|
||||
if (zip_entry_write(zip, buf, n) < 0) {
|
||||
status = -1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
fclose(stream);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
ssize_t zip_entry_read(struct zip_t *zip, void **buf, size_t *bufsize) {
|
||||
mz_zip_archive *pzip = NULL;
|
||||
mz_uint idx;
|
||||
size_t size = 0;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
pzip = &(zip->archive);
|
||||
if (pzip->m_zip_mode != MZ_ZIP_MODE_READING || zip->entry.index < 0) {
|
||||
// the entry is not found or we do not have read access
|
||||
return -1;
|
||||
}
|
||||
|
||||
idx = (mz_uint)zip->entry.index;
|
||||
if (mz_zip_reader_is_file_a_directory(pzip, idx)) {
|
||||
// the entry is a directory
|
||||
return -1;
|
||||
}
|
||||
|
||||
*buf = mz_zip_reader_extract_to_heap(pzip, idx, &size, 0);
|
||||
if (*buf && bufsize) {
|
||||
*bufsize = size;
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf, size_t bufsize) {
|
||||
mz_zip_archive *pzip = NULL;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
pzip = &(zip->archive);
|
||||
if (pzip->m_zip_mode != MZ_ZIP_MODE_READING || zip->entry.index < 0) {
|
||||
// the entry is not found or we do not have read access
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!mz_zip_reader_extract_to_mem_no_alloc(pzip, (mz_uint)zip->entry.index,
|
||||
buf, bufsize, 0, NULL, 0)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
return (ssize_t)zip->entry.uncomp_size;
|
||||
}
|
||||
|
||||
int zip_entry_fread(struct zip_t *zip, const char *filename) {
|
||||
mz_zip_archive *pzip = NULL;
|
||||
mz_uint idx;
|
||||
#if defined(_MSC_VER)
|
||||
#else
|
||||
mz_uint32 xattr = 0;
|
||||
#endif
|
||||
mz_zip_archive_file_stat info;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
memset((void *)&info, 0, sizeof(mz_zip_archive_file_stat));
|
||||
pzip = &(zip->archive);
|
||||
if (pzip->m_zip_mode != MZ_ZIP_MODE_READING || zip->entry.index < 0) {
|
||||
// the entry is not found or we do not have read access
|
||||
return -1;
|
||||
}
|
||||
|
||||
idx = (mz_uint)zip->entry.index;
|
||||
if (mz_zip_reader_is_file_a_directory(pzip, idx)) {
|
||||
// the entry is a directory
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!mz_zip_reader_extract_to_file(pzip, idx, filename, 0)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
#else
|
||||
if (!mz_zip_reader_file_stat(pzip, idx, &info)) {
|
||||
// Cannot get information about zip archive;
|
||||
return -1;
|
||||
}
|
||||
|
||||
xattr = (info.m_external_attr >> 16) & 0xFFFF;
|
||||
if (xattr > 0) {
|
||||
if (chmod(filename, (mode_t)xattr) < 0) {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int zip_entry_extract(struct zip_t *zip,
|
||||
size_t (*on_extract)(void *arg, unsigned long long offset,
|
||||
const void *buf, size_t bufsize),
|
||||
void *arg) {
|
||||
mz_zip_archive *pzip = NULL;
|
||||
mz_uint idx;
|
||||
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
pzip = &(zip->archive);
|
||||
if (pzip->m_zip_mode != MZ_ZIP_MODE_READING || zip->entry.index < 0) {
|
||||
// the entry is not found or we do not have read access
|
||||
return -1;
|
||||
}
|
||||
|
||||
idx = (mz_uint)zip->entry.index;
|
||||
return (mz_zip_reader_extract_to_callback(pzip, idx, on_extract, arg, 0))
|
||||
? 0
|
||||
: -1;
|
||||
}
|
||||
|
||||
int zip_total_entries(struct zip_t *zip) {
|
||||
if (!zip) {
|
||||
// zip_t handler is not initialized
|
||||
return -1;
|
||||
}
|
||||
|
||||
return (int)zip->archive.m_total_files;
|
||||
}
|
||||
|
||||
int zip_create(const char *zipname, const char *filenames[], size_t len) {
|
||||
int status = 0;
|
||||
size_t i;
|
||||
mz_zip_archive zip_archive;
|
||||
struct MZ_FILE_STAT_STRUCT file_stat;
|
||||
mz_uint32 ext_attributes = 0;
|
||||
|
||||
if (!zipname || strlen(zipname) < 1) {
|
||||
// zip_t archive name is empty or NULL
|
||||
return -1;
|
||||
}
|
||||
|
||||
// Create a new archive.
|
||||
if (!memset(&(zip_archive), 0, sizeof(zip_archive))) {
|
||||
// Cannot memset zip archive
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!mz_zip_writer_init_file(&zip_archive, zipname, 0)) {
|
||||
// Cannot initialize zip_archive writer
|
||||
return -1;
|
||||
}
|
||||
|
||||
memset((void *)&file_stat, 0, sizeof(struct MZ_FILE_STAT_STRUCT));
|
||||
|
||||
for (i = 0; i < len; ++i) {
|
||||
const char *name = filenames[i];
|
||||
if (!name) {
|
||||
status = -1;
|
||||
break;
|
||||
}
|
||||
|
||||
if (MZ_FILE_STAT(name, &file_stat) != 0) {
|
||||
// problem getting information - check errno
|
||||
return -1;
|
||||
}
|
||||
|
||||
if ((file_stat.st_mode & 0200) == 0) {
|
||||
// MS-DOS read-only attribute
|
||||
ext_attributes |= 0x01;
|
||||
}
|
||||
ext_attributes |= (mz_uint32)((file_stat.st_mode & 0xFFFF) << 16);
|
||||
|
||||
if (!mz_zip_writer_add_file(&zip_archive, base_name(name), name, "", 0,
|
||||
ZIP_DEFAULT_COMPRESSION_LEVEL,
|
||||
ext_attributes)) {
|
||||
// Cannot add file to zip_archive
|
||||
status = -1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
mz_zip_writer_finalize_archive(&zip_archive);
|
||||
mz_zip_writer_end(&zip_archive);
|
||||
return status;
|
||||
}
|
||||
|
||||
int zip_extract(const char *zipname, const char *dir,
|
||||
int (*on_extract)(const char *filename, void *arg), void *arg) {
|
||||
int status = -1;
|
||||
mz_uint i, n;
|
||||
char path[MAX_PATH + 1];
|
||||
char symlink_to[MAX_PATH + 1];
|
||||
mz_zip_archive zip_archive;
|
||||
mz_zip_archive_file_stat info;
|
||||
size_t dirlen = 0;
|
||||
mz_uint32 xattr = 0;
|
||||
|
||||
memset(path, 0, sizeof(path));
|
||||
memset(symlink_to, 0, sizeof(symlink_to));
|
||||
if (!memset(&(zip_archive), 0, sizeof(zip_archive))) {
|
||||
// Cannot memset zip archive
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!zipname || !dir) {
|
||||
// Cannot parse zip archive name
|
||||
return -1;
|
||||
}
|
||||
|
||||
dirlen = strlen(dir);
|
||||
if (dirlen + 1 > MAX_PATH) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
// Now try to open the archive.
|
||||
if (!mz_zip_reader_init_file(&zip_archive, zipname, 0)) {
|
||||
// Cannot initialize zip_archive reader
|
||||
return -1;
|
||||
}
|
||||
|
||||
memset((void *)&info, 0, sizeof(mz_zip_archive_file_stat));
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
strcpy_s(path, MAX_PATH, dir);
|
||||
#else
|
||||
strcpy(path, dir);
|
||||
#endif
|
||||
|
||||
if (!ISSLASH(path[dirlen - 1])) {
|
||||
#if defined(_WIN32) || defined(__WIN32__)
|
||||
path[dirlen] = '\\';
|
||||
#else
|
||||
path[dirlen] = '/';
|
||||
#endif
|
||||
++dirlen;
|
||||
}
|
||||
|
||||
// Get and print information about each file in the archive.
|
||||
n = mz_zip_reader_get_num_files(&zip_archive);
|
||||
for (i = 0; i < n; ++i) {
|
||||
if (!mz_zip_reader_file_stat(&zip_archive, i, &info)) {
|
||||
// Cannot get information about zip archive;
|
||||
goto out;
|
||||
}
|
||||
#if defined(_MSC_VER)
|
||||
strncpy_s(&path[dirlen], MAX_PATH - dirlen, info.m_filename,
|
||||
MAX_PATH - dirlen);
|
||||
#else
|
||||
strncpy(&path[dirlen], info.m_filename, MAX_PATH - dirlen);
|
||||
#endif
|
||||
if (mkpath(path) < 0) {
|
||||
// Cannot make a path
|
||||
goto out;
|
||||
}
|
||||
|
||||
if ((((info.m_version_made_by >> 8) == 3) || ((info.m_version_made_by >> 8) == 19)) // if zip is produced on Unix or macOS (3 and 19 from section 4.4.2.2 of zip standard)
|
||||
&& info.m_external_attr & (0x20 << 24)) { // and has sym link attribute (0x80 is file, 0x40 is directory)
|
||||
#if defined(_WIN32) || defined(__WIN32__) || defined(_MSC_VER) || \
|
||||
defined(__MINGW32__)
|
||||
#else
|
||||
if (info.m_uncomp_size > MAX_PATH || !mz_zip_reader_extract_to_mem_no_alloc(&zip_archive, i, symlink_to, MAX_PATH, 0, NULL, 0)) {
|
||||
goto out;
|
||||
}
|
||||
symlink_to[info.m_uncomp_size] = '\0';
|
||||
if (symlink(symlink_to, path) != 0) {
|
||||
goto out;
|
||||
}
|
||||
#endif
|
||||
} else {
|
||||
if (!mz_zip_reader_is_file_a_directory(&zip_archive, i)) {
|
||||
if (!mz_zip_reader_extract_to_file(&zip_archive, i, path, 0)) {
|
||||
// Cannot extract zip archive to file
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
#else
|
||||
xattr = (info.m_external_attr >> 16) & 0xFFFF;
|
||||
if (xattr > 0) {
|
||||
if (chmod(path, (mode_t)xattr) < 0) {
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
if (on_extract) {
|
||||
if (on_extract(path, arg) < 0) {
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
}
|
||||
status = 0;
|
||||
|
||||
out:
|
||||
// Close the archive, freeing any resources it was using
|
||||
if (!mz_zip_reader_end(&zip_archive)) {
|
||||
// Cannot end zip reader
|
||||
status = -1;
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
316
thirdparty/assimp/contrib/zip/src/zip.h
vendored
Normal file
316
thirdparty/assimp/contrib/zip/src/zip.h
vendored
Normal file
@@ -0,0 +1,316 @@
|
||||
/*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
#ifndef ZIP_H
|
||||
#define ZIP_H
|
||||
|
||||
#include <string.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#if !defined(_SSIZE_T_DEFINED) && !defined(_SSIZE_T_DEFINED_) && \
|
||||
!defined(_SSIZE_T) && !defined(_SSIZE_T_) && !defined(__ssize_t_defined)
|
||||
#define _SSIZE_T
|
||||
// 64-bit Windows is the only mainstream platform
|
||||
// where sizeof(long) != sizeof(void*)
|
||||
#ifdef _WIN64
|
||||
typedef long long ssize_t; /* byte count or error */
|
||||
#else
|
||||
typedef long ssize_t; /* byte count or error */
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef MAX_PATH
|
||||
#define MAX_PATH 32767 /* # chars in a path name including NULL */
|
||||
#endif
|
||||
|
||||
#define ZIP_DEFAULT_COMPRESSION_LEVEL 6
|
||||
|
||||
/*
|
||||
This data structure is used throughout the library to represent zip archive
|
||||
- forward declaration.
|
||||
*/
|
||||
struct zip_t;
|
||||
|
||||
/*
|
||||
Opens zip archive with compression level using the given mode.
|
||||
|
||||
Args:
|
||||
zipname: zip archive file name.
|
||||
level: compression level (0-9 are the standard zlib-style levels).
|
||||
mode: file access mode.
|
||||
'r': opens a file for reading/extracting (the file must exists).
|
||||
'w': creates an empty file for writing.
|
||||
'a': appends to an existing archive.
|
||||
|
||||
Returns:
|
||||
The zip archive handler or NULL on error
|
||||
*/
|
||||
extern struct zip_t *zip_open(const char *zipname, int level, char mode);
|
||||
|
||||
/*
|
||||
Closes the zip archive, releases resources - always finalize.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
*/
|
||||
extern void zip_close(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Opens an entry by name in the zip archive.
|
||||
For zip archive opened in 'w' or 'a' mode the function will append
|
||||
a new entry. In readonly mode the function tries to locate the entry
|
||||
in global dictionary.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
entryname: an entry name in local dictionary.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_open(struct zip_t *zip, const char *entryname);
|
||||
|
||||
/*
|
||||
Opens a new entry by index in the zip archive.
|
||||
This function is only valid if zip archive was opened in 'r' (readonly) mode.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
index: index in local dictionary.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_openbyindex(struct zip_t *zip, int index);
|
||||
|
||||
/*
|
||||
Closes a zip entry, flushes buffer and releases resources.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_close(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Returns a local name of the current zip entry.
|
||||
The main difference between user's entry name and local entry name
|
||||
is optional relative path.
|
||||
Following .ZIP File Format Specification - the path stored MUST not contain
|
||||
a drive or device letter, or a leading slash.
|
||||
All slashes MUST be forward slashes '/' as opposed to backwards slashes '\'
|
||||
for compatibility with Amiga and UNIX file systems etc.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The pointer to the current zip entry name, or NULL on error.
|
||||
*/
|
||||
extern const char *zip_entry_name(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Returns an index of the current zip entry.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The index on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_index(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Determines if the current zip entry is a directory entry.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The return code - 1 (true), 0 (false), negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_isdir(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Returns an uncompressed size of the current zip entry.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The uncompressed size in bytes.
|
||||
*/
|
||||
extern unsigned long long zip_entry_size(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Returns CRC-32 checksum of the current zip entry.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The CRC-32 checksum.
|
||||
*/
|
||||
extern unsigned int zip_entry_crc32(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Compresses an input buffer for the current zip entry.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
buf: input buffer.
|
||||
bufsize: input buffer size (in bytes).
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_write(struct zip_t *zip, const void *buf, size_t bufsize);
|
||||
|
||||
/*
|
||||
Compresses a file for the current zip entry.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
filename: input file.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_fwrite(struct zip_t *zip, const char *filename);
|
||||
|
||||
/*
|
||||
Extracts the current zip entry into output buffer.
|
||||
The function allocates sufficient memory for a output buffer.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
buf: output buffer.
|
||||
bufsize: output buffer size (in bytes).
|
||||
|
||||
Note:
|
||||
- remember to release memory allocated for a output buffer.
|
||||
- for large entries, please take a look at zip_entry_extract function.
|
||||
|
||||
Returns:
|
||||
The return code - the number of bytes actually read on success.
|
||||
Otherwise a -1 on error.
|
||||
*/
|
||||
extern ssize_t zip_entry_read(struct zip_t *zip, void **buf, size_t *bufsize);
|
||||
|
||||
/*
|
||||
Extracts the current zip entry into a memory buffer using no memory
|
||||
allocation.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
buf: preallocated output buffer.
|
||||
bufsize: output buffer size (in bytes).
|
||||
|
||||
Note:
|
||||
- ensure supplied output buffer is large enough.
|
||||
- zip_entry_size function (returns uncompressed size for the current entry)
|
||||
can be handy to estimate how big buffer is needed.
|
||||
- for large entries, please take a look at zip_entry_extract function.
|
||||
|
||||
Returns:
|
||||
The return code - the number of bytes actually read on success.
|
||||
Otherwise a -1 on error (e.g. bufsize is not large enough).
|
||||
*/
|
||||
extern ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf, size_t bufsize);
|
||||
|
||||
/*
|
||||
Extracts the current zip entry into output file.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
filename: output file.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_entry_fread(struct zip_t *zip, const char *filename);
|
||||
|
||||
/*
|
||||
Extracts the current zip entry using a callback function (on_extract).
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
on_extract: callback function.
|
||||
arg: opaque pointer (optional argument,
|
||||
which you can pass to the on_extract callback)
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int
|
||||
zip_entry_extract(struct zip_t *zip,
|
||||
size_t (*on_extract)(void *arg, unsigned long long offset,
|
||||
const void *data, size_t size),
|
||||
void *arg);
|
||||
|
||||
/*
|
||||
Returns the number of all entries (files and directories) in the zip archive.
|
||||
|
||||
Args:
|
||||
zip: zip archive handler.
|
||||
|
||||
Returns:
|
||||
The return code - the number of entries on success,
|
||||
negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_total_entries(struct zip_t *zip);
|
||||
|
||||
/*
|
||||
Creates a new archive and puts files into a single zip archive.
|
||||
|
||||
Args:
|
||||
zipname: zip archive file.
|
||||
filenames: input files.
|
||||
len: number of input files.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_create(const char *zipname, const char *filenames[], size_t len);
|
||||
|
||||
/*
|
||||
Extracts a zip archive file into directory.
|
||||
|
||||
If on_extract_entry is not NULL, the callback will be called after
|
||||
successfully extracted each zip entry.
|
||||
Returning a negative value from the callback will cause abort and return an
|
||||
error. The last argument (void *arg) is optional, which you can use to pass
|
||||
data to the on_extract_entry callback.
|
||||
|
||||
Args:
|
||||
zipname: zip archive file.
|
||||
dir: output directory.
|
||||
on_extract_entry: on extract callback.
|
||||
arg: opaque pointer.
|
||||
|
||||
Returns:
|
||||
The return code - 0 on success, negative number (< 0) on error.
|
||||
*/
|
||||
extern int zip_extract(const char *zipname, const char *dir,
|
||||
int (*on_extract_entry)(const char *filename, void *arg),
|
||||
void *arg);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user