X-Git-Url: https://git.mdrn.pl/wl-app.git/blobdiff_plain/53b27422d140022594fc241cca91c3183be57bca..48b2fe9f7c2dc3d9aeaaa6dbfb27c7da4f3235ff:/iOS/Pods/SSZipArchive/SSZipArchive/minizip/ioapi_buf.c

diff --git a/iOS/Pods/SSZipArchive/SSZipArchive/minizip/ioapi_buf.c b/iOS/Pods/SSZipArchive/SSZipArchive/minizip/ioapi_buf.c
new file mode 100755
index 0000000..074a930
--- /dev/null
+++ b/iOS/Pods/SSZipArchive/SSZipArchive/minizip/ioapi_buf.c
@@ -0,0 +1,461 @@
+/* ioapi_buf.c -- IO base function header for compress/uncompress .zip
+   files using zlib + zip or unzip API
+
+   This version of ioapi is designed to buffer IO.
+
+   Copyright (C) 2012-2017 Nathan Moinvaziri
+      https://github.com/nmoinvaz/minizip
+
+   This program is distributed under the terms of the same license as zlib.
+   See the accompanying LICENSE file for the full text of the license.
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "zlib.h"
+#include "ioapi.h"
+
+#include "ioapi_buf.h"
+
+#ifndef IOBUF_BUFFERSIZE
+#  define IOBUF_BUFFERSIZE (UINT16_MAX)
+#endif
+
+#if defined(_WIN32)
+#  include <conio.h>
+#  define PRINTF  _cprintf
+#  define VPRINTF _vcprintf
+#else
+#  define PRINTF  printf
+#  define VPRINTF vprintf
+#endif
+
+//#define IOBUF_VERBOSE
+
+#ifdef __GNUC__
+#ifndef max
+#define max(x,y) ({ \
+const __typeof__(x) _x = (x);	\
+const __typeof__(y) _y = (y);	\
+(void) (&_x == &_y);		\
+_x > _y ? _x : _y; })
+#endif /* __GNUC__ */
+
+#ifndef min
+#define min(x,y) ({ \
+const __typeof__(x) _x = (x);	\
+const __typeof__(y) _y = (y);	\
+(void) (&_x == &_y);		\
+_x < _y ? _x : _y; })
+#endif
+#endif
+
+typedef struct ourstream_s {
+  char      readbuf[IOBUF_BUFFERSIZE];
+  uint32_t  readbuf_len;
+  uint32_t  readbuf_pos;
+  uint32_t  readbuf_hits;
+  uint32_t  readbuf_misses;
+  char      writebuf[IOBUF_BUFFERSIZE];
+  uint32_t  writebuf_len;
+  uint32_t  writebuf_pos;
+  uint32_t  writebuf_hits;
+  uint32_t  writebuf_misses;
+  uint64_t  position;
+  voidpf    stream;
+} ourstream_t;
+
+#if defined(IOBUF_VERBOSE)
+#  define print_buf(o,s,f,...) print_buf_internal(o,s,f,__VA_ARGS__);
+#else
+#  define print_buf(o,s,f,...)
+#endif
+
+void print_buf_internal(ZIP_UNUSED voidpf opaque, voidpf stream, char *format, ...)
+{
+    ourstream_t *streamio = (ourstream_t *)stream;
+    va_list arglist;
+    PRINTF("Buf stream %p - ", streamio);
+    va_start(arglist, format);
+    VPRINTF(format, arglist);
+    va_end(arglist);
+}
+
+voidpf fopen_buf_internal_func(ZIP_UNUSED voidpf opaque, voidpf stream, ZIP_UNUSED uint32_t number_disk, ZIP_UNUSED int mode)
+{
+    ourstream_t *streamio = NULL;
+    if (stream == NULL)
+        return NULL;
+    streamio = (ourstream_t *)malloc(sizeof(ourstream_t));
+    if (streamio == NULL)
+        return NULL;
+    memset(streamio, 0, sizeof(ourstream_t));
+    streamio->stream = stream;
+    print_buf(opaque, streamio, "open [num %d mode %d]\n", number_disk, mode);
+    return streamio;
+}
+
+voidpf ZCALLBACK fopen_buf_func(voidpf opaque, const char *filename, int mode)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    voidpf stream = bufio->filefunc.zopen_file(bufio->filefunc.opaque, filename, mode);
+    return fopen_buf_internal_func(opaque, stream, 0, mode);
+}
+
+voidpf ZCALLBACK fopen64_buf_func(voidpf opaque, const void *filename, int mode)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    voidpf stream = bufio->filefunc64.zopen64_file(bufio->filefunc64.opaque, filename, mode);
+    return fopen_buf_internal_func(opaque, stream, 0, mode);
+}
+
+voidpf ZCALLBACK fopendisk_buf_func(voidpf opaque, voidpf stream_cd, uint32_t number_disk, int mode)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream_cd;
+    voidpf *stream = bufio->filefunc.zopendisk_file(bufio->filefunc.opaque, streamio->stream, number_disk, mode);
+    return fopen_buf_internal_func(opaque, stream, number_disk, mode);
+}
+
+voidpf ZCALLBACK fopendisk64_buf_func(voidpf opaque, voidpf stream_cd, uint32_t number_disk, int mode)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream_cd;
+    voidpf stream = bufio->filefunc64.zopendisk64_file(bufio->filefunc64.opaque, streamio->stream, number_disk, mode);
+    return fopen_buf_internal_func(opaque, stream, number_disk, mode);
+}
+
+long fflush_buf(voidpf opaque, voidpf stream)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    uint32_t total_bytes_to_write = 0;
+    uint32_t bytes_to_write = streamio->writebuf_len;
+    uint32_t bytes_left_to_write = streamio->writebuf_len;
+    long bytes_written = 0;
+
+    while (bytes_left_to_write > 0)
+    {
+        if (bufio->filefunc64.zwrite_file != NULL)
+            bytes_written = bufio->filefunc64.zwrite_file(bufio->filefunc64.opaque, streamio->stream, streamio->writebuf + (bytes_to_write - bytes_left_to_write), bytes_left_to_write);
+        else
+            bytes_written = bufio->filefunc.zwrite_file(bufio->filefunc.opaque, streamio->stream, streamio->writebuf + (bytes_to_write - bytes_left_to_write), bytes_left_to_write);
+
+        streamio->writebuf_misses += 1;
+
+        print_buf(opaque, stream, "write flush [%d:%d len %d]\n", bytes_to_write, bytes_left_to_write, streamio->writebuf_len);
+
+        if (bytes_written < 0)
+            return bytes_written;
+
+        total_bytes_to_write += bytes_written;
+        bytes_left_to_write -= bytes_written;
+        streamio->position += bytes_written;
+    }
+    streamio->writebuf_len = 0;
+    streamio->writebuf_pos = 0;
+    return total_bytes_to_write;
+}
+
+uint32_t ZCALLBACK fread_buf_func(voidpf opaque, voidpf stream, void *buf, uint32_t size)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    uint32_t buf_len = 0;
+    uint32_t bytes_to_read = 0;
+    uint32_t bytes_to_copy = 0;
+    uint32_t bytes_left_to_read = size;
+    uint32_t bytes_read = 0;
+
+    print_buf(opaque, stream, "read [size %ld pos %lld]\n", size, streamio->position);
+
+    if (streamio->writebuf_len > 0)
+    {
+        print_buf(opaque, stream, "switch from write to read, not yet supported [%lld]\n", streamio->position);
+    }
+
+    while (bytes_left_to_read > 0)
+    {
+        if ((streamio->readbuf_len == 0) || (streamio->readbuf_pos == streamio->readbuf_len))
+        {
+            if (streamio->readbuf_len == IOBUF_BUFFERSIZE)
+            {
+                streamio->readbuf_pos = 0;
+                streamio->readbuf_len = 0;
+            }
+
+            bytes_to_read = IOBUF_BUFFERSIZE - (streamio->readbuf_len - streamio->readbuf_pos);
+
+            if (bufio->filefunc64.zread_file != NULL)
+                bytes_read = bufio->filefunc64.zread_file(bufio->filefunc64.opaque, streamio->stream, streamio->readbuf + streamio->readbuf_pos, bytes_to_read);
+            else
+                bytes_read = bufio->filefunc.zread_file(bufio->filefunc.opaque, streamio->stream, streamio->readbuf + streamio->readbuf_pos, bytes_to_read);
+
+            streamio->readbuf_misses += 1;
+            streamio->readbuf_len += bytes_read;
+            streamio->position += bytes_read;
+
+            print_buf(opaque, stream, "filled [read %d/%d buf %d:%d pos %lld]\n", bytes_read, bytes_to_read, streamio->readbuf_pos, streamio->readbuf_len, streamio->position);
+
+            if (bytes_read == 0)
+                break;
+        }
+
+        if ((streamio->readbuf_len - streamio->readbuf_pos) > 0)
+        {
+            bytes_to_copy = min(bytes_left_to_read, (uint32_t)(streamio->readbuf_len - streamio->readbuf_pos));
+            memcpy((char *)buf + buf_len, streamio->readbuf + streamio->readbuf_pos, bytes_to_copy);
+
+            buf_len += bytes_to_copy;
+            bytes_left_to_read -= bytes_to_copy;
+
+            streamio->readbuf_hits += 1;
+            streamio->readbuf_pos += bytes_to_copy;
+
+            print_buf(opaque, stream, "emptied [copied %d remaining %d buf %d:%d pos %lld]\n", bytes_to_copy, bytes_left_to_read, streamio->readbuf_pos, streamio->readbuf_len, streamio->position);
+        }
+    }
+
+    return size - bytes_left_to_read;
+}
+
+uint32_t ZCALLBACK fwrite_buf_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    uint32_t bytes_to_write = size;
+    uint32_t bytes_left_to_write = size;
+    uint32_t bytes_to_copy = 0;
+    int64_t ret = 0;
+
+    print_buf(opaque, stream, "write [size %ld len %d pos %lld]\n", size, streamio->writebuf_len, streamio->position);
+
+    if (streamio->readbuf_len > 0)
+    {
+        streamio->position -= streamio->readbuf_len;
+        streamio->position += streamio->readbuf_pos;
+
+        streamio->readbuf_len = 0;
+        streamio->readbuf_pos = 0;
+
+        print_buf(opaque, stream, "switch from read to write [%lld]\n", streamio->position);
+
+        if (bufio->filefunc64.zseek64_file != NULL)
+            ret = bufio->filefunc64.zseek64_file(bufio->filefunc64.opaque, streamio->stream, streamio->position, ZLIB_FILEFUNC_SEEK_SET);
+        else
+            ret = bufio->filefunc.zseek_file(bufio->filefunc.opaque, streamio->stream, (uint32_t)streamio->position, ZLIB_FILEFUNC_SEEK_SET);
+
+        if (ret != 0)
+            return (uint32_t)-1;
+    }
+
+    while (bytes_left_to_write > 0)
+    {
+        bytes_to_copy = min(bytes_left_to_write, (uint32_t)(IOBUF_BUFFERSIZE - min(streamio->writebuf_len, streamio->writebuf_pos)));
+
+        if (bytes_to_copy == 0)
+        {
+            if (fflush_buf(opaque, stream) <= 0)
+                return 0;
+
+            continue;
+        }
+
+        memcpy(streamio->writebuf + streamio->writebuf_pos, (char *)buf + (bytes_to_write - bytes_left_to_write), bytes_to_copy);
+
+        print_buf(opaque, stream, "write copy [remaining %d write %d:%d len %d]\n", bytes_to_copy, bytes_to_write, bytes_left_to_write, streamio->writebuf_len);
+
+        bytes_left_to_write -= bytes_to_copy;
+
+        streamio->writebuf_pos += bytes_to_copy;
+        streamio->writebuf_hits += 1;
+        if (streamio->writebuf_pos > streamio->writebuf_len)
+            streamio->writebuf_len += streamio->writebuf_pos - streamio->writebuf_len;
+    }
+
+    return size - bytes_left_to_write;
+}
+
+uint64_t ftell_buf_internal_func(ZIP_UNUSED voidpf opaque, voidpf stream, uint64_t position)
+{
+    ourstream_t *streamio = (ourstream_t *)stream;
+    streamio->position = position;
+    print_buf(opaque, stream, "tell [pos %llu readpos %d writepos %d err %d]\n", streamio->position, streamio->readbuf_pos, streamio->writebuf_pos, errno);
+    if (streamio->readbuf_len > 0)
+        position -= (streamio->readbuf_len - streamio->readbuf_pos);
+    if (streamio->writebuf_len > 0)
+        position += streamio->writebuf_pos;
+    return position;
+}
+
+long ZCALLBACK ftell_buf_func(voidpf opaque, voidpf stream)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    uint64_t position = bufio->filefunc.ztell_file(bufio->filefunc.opaque, streamio->stream);
+    return (long)ftell_buf_internal_func(opaque, stream, position);
+}
+
+uint64_t ZCALLBACK ftell64_buf_func(voidpf opaque, voidpf stream)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    uint64_t position = bufio->filefunc64.ztell64_file(bufio->filefunc64.opaque, streamio->stream);
+    return ftell_buf_internal_func(opaque, stream, position);
+}
+
+int fseek_buf_internal_func(voidpf opaque, voidpf stream, uint64_t offset, int origin)
+{
+    ourstream_t *streamio = (ourstream_t *)stream;
+
+    print_buf(opaque, stream, "seek [origin %d offset %llu pos %lld]\n", origin, offset, streamio->position);
+
+    switch (origin)
+    {
+        case ZLIB_FILEFUNC_SEEK_SET:
+
+            if (streamio->writebuf_len > 0)
+            {
+                if ((offset >= streamio->position) && (offset <= streamio->position + streamio->writebuf_len))
+                {
+                    streamio->writebuf_pos = (uint32_t)(offset - streamio->position);
+                    return 0;
+                }
+            }
+            if ((streamio->readbuf_len > 0) && (offset < streamio->position) && (offset >= streamio->position - streamio->readbuf_len))
+            {
+                streamio->readbuf_pos = (uint32_t)(offset - (streamio->position - streamio->readbuf_len));
+                return 0;
+            }
+            if (fflush_buf(opaque, stream) < 0)
+                return -1;
+            streamio->position = offset;
+            break;
+
+        case ZLIB_FILEFUNC_SEEK_CUR:
+
+            if (streamio->readbuf_len > 0)
+            {
+                if (offset <= (streamio->readbuf_len - streamio->readbuf_pos))
+                {
+                    streamio->readbuf_pos += (uint32_t)offset;
+                    return 0;
+                }
+                offset -= (streamio->readbuf_len - streamio->readbuf_pos);
+                streamio->position += offset;
+            }
+            if (streamio->writebuf_len > 0)
+            {
+                if (offset <= (streamio->writebuf_len - streamio->writebuf_pos))
+                {
+                    streamio->writebuf_pos += (uint32_t)offset;
+                    return 0;
+                }
+                //offset -= (streamio->writebuf_len - streamio->writebuf_pos);
+            }
+
+            if (fflush_buf(opaque, stream) < 0)
+                return -1;
+
+            break;
+
+        case ZLIB_FILEFUNC_SEEK_END:
+
+            if (streamio->writebuf_len > 0)
+            {
+                streamio->writebuf_pos = streamio->writebuf_len;
+                return 0;
+            }
+            break;
+    }
+
+    streamio->readbuf_len = 0;
+    streamio->readbuf_pos = 0;
+    streamio->writebuf_len = 0;
+    streamio->writebuf_pos = 0;
+    return 1;
+}
+
+long ZCALLBACK fseek_buf_func(voidpf opaque, voidpf stream, uint32_t offset, int origin)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    long ret = -1;
+    if (bufio->filefunc.zseek_file == NULL)
+        return ret;
+    ret = fseek_buf_internal_func(opaque, stream, offset, origin);
+    if (ret == 1)
+        ret = bufio->filefunc.zseek_file(bufio->filefunc.opaque, streamio->stream, offset, origin);
+    return ret;
+}
+
+long ZCALLBACK fseek64_buf_func(voidpf opaque, voidpf stream, uint64_t offset, int origin)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    long ret = -1;
+    if (bufio->filefunc64.zseek64_file == NULL)
+        return ret;
+    ret = fseek_buf_internal_func(opaque, stream, offset, origin);
+    if (ret == 1)
+        ret = bufio->filefunc64.zseek64_file(bufio->filefunc64.opaque, streamio->stream, offset, origin);
+    return ret;
+}
+
+int ZCALLBACK fclose_buf_func(voidpf opaque, voidpf stream)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    int ret = 0;
+    fflush_buf(opaque, stream);
+    print_buf(opaque, stream, "close\n");
+    if (streamio->readbuf_hits + streamio->readbuf_misses > 0)
+        print_buf(opaque, stream, "read efficency %.02f%%\n", (streamio->readbuf_hits / ((float)streamio->readbuf_hits + streamio->readbuf_misses)) * 100);
+    if (streamio->writebuf_hits + streamio->writebuf_misses > 0)
+        print_buf(opaque, stream, "write efficency %.02f%%\n", (streamio->writebuf_hits / ((float)streamio->writebuf_hits + streamio->writebuf_misses)) * 100);
+    if (bufio->filefunc64.zclose_file != NULL)
+        ret = bufio->filefunc64.zclose_file(bufio->filefunc64.opaque, streamio->stream);
+    else
+        ret = bufio->filefunc.zclose_file(bufio->filefunc.opaque, streamio->stream);
+    free(streamio);
+    return ret;
+}
+
+int ZCALLBACK ferror_buf_func(voidpf opaque, voidpf stream)
+{
+    ourbuffer_t *bufio = (ourbuffer_t *)opaque;
+    ourstream_t *streamio = (ourstream_t *)stream;
+    if (bufio->filefunc64.zerror_file != NULL)
+        return bufio->filefunc64.zerror_file(bufio->filefunc64.opaque, streamio->stream);
+    return bufio->filefunc.zerror_file(bufio->filefunc.opaque, streamio->stream);
+}
+
+void fill_buffer_filefunc(zlib_filefunc_def *pzlib_filefunc_def, ourbuffer_t *ourbuf)
+{
+    pzlib_filefunc_def->zopen_file = fopen_buf_func;
+    pzlib_filefunc_def->zopendisk_file = fopendisk_buf_func;
+    pzlib_filefunc_def->zread_file = fread_buf_func;
+    pzlib_filefunc_def->zwrite_file = fwrite_buf_func;
+    pzlib_filefunc_def->ztell_file = ftell_buf_func;
+    pzlib_filefunc_def->zseek_file = fseek_buf_func;
+    pzlib_filefunc_def->zclose_file = fclose_buf_func;
+    pzlib_filefunc_def->zerror_file = ferror_buf_func;
+    pzlib_filefunc_def->opaque = ourbuf;
+}
+
+void fill_buffer_filefunc64(zlib_filefunc64_def *pzlib_filefunc_def, ourbuffer_t *ourbuf)
+{
+    pzlib_filefunc_def->zopen64_file = fopen64_buf_func;
+    pzlib_filefunc_def->zopendisk64_file = fopendisk64_buf_func;
+    pzlib_filefunc_def->zread_file = fread_buf_func;
+    pzlib_filefunc_def->zwrite_file = fwrite_buf_func;
+    pzlib_filefunc_def->ztell64_file = ftell64_buf_func;
+    pzlib_filefunc_def->zseek64_file = fseek64_buf_func;
+    pzlib_filefunc_def->zclose_file = fclose_buf_func;
+    pzlib_filefunc_def->zerror_file = ferror_buf_func;
+    pzlib_filefunc_def->opaque = ourbuf;
+}