1 files changed, 0 insertions, 415 deletions
diff --git a/src/Common/libzip/zip_source_deflate.c b/src/Common/libzip/zip_source_deflate.c
deleted file mode 100644
index 2574ad01..00000000
--- a/src/Common/libzip/zip_source_deflate.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
-  zip_source_deflate.c -- deflate (de)compressoin routines
-  Copyright (C) 2009-2015 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 <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#include "zipint.h"
-
-struct deflate {
-    zip_error_t error;
-    
-    bool eof;
-    bool can_store;
-    bool is_stored;
-    int mem_level;
-    zip_uint64_t size;
-    zip_uint8_t buffer[BUFSIZE];
-    z_stream zstr;
-};
-
-static zip_int64_t compress_read(zip_source_t *, struct deflate *, void *, zip_uint64_t);
-static zip_int64_t decompress_read(zip_source_t *, struct deflate *, void *, zip_uint64_t);
-static zip_int64_t deflate_compress(zip_source_t *, void *, void *, zip_uint64_t, zip_source_cmd_t);
-static zip_int64_t deflate_decompress(zip_source_t *, void *, void *, zip_uint64_t, zip_source_cmd_t);
-static void deflate_free(struct deflate *);
-
-
-zip_source_t *
-zip_source_deflate(zip_t *za, zip_source_t *src, zip_int32_t cm, int flags)
-{
-    struct deflate *ctx;
-    zip_source_t *s2;
-
-    if (src == NULL || (cm != ZIP_CM_DEFLATE && !ZIP_CM_IS_DEFAULT(cm))) {
-	zip_error_set(&za->error, ZIP_ER_INVAL, 0);
-	return NULL;
-    }
-
-    if ((ctx=(struct deflate *)malloc(sizeof(*ctx))) == NULL) {
-	zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
-	return NULL;
-    }
-
-    zip_error_init(&ctx->error);
-    ctx->eof = false;
-    ctx->is_stored = false;
-    ctx->can_store = ZIP_CM_IS_DEFAULT(cm);
-    if (flags & ZIP_CODEC_ENCODE) {
-	ctx->mem_level = MAX_MEM_LEVEL;
-    }
-
-    if ((s2=zip_source_layered(za, src,
-			       ((flags & ZIP_CODEC_ENCODE)
-				? deflate_compress : deflate_decompress),
-			       ctx)) == NULL) {
-	deflate_free(ctx);
-	return NULL;
-    }
-
-    return s2;
-}
-
-
-static zip_int64_t
-compress_read(zip_source_t *src, struct deflate *ctx, void *data, zip_uint64_t len)
-{
-    int end, ret;
-    zip_int64_t n;
-    zip_uint64_t out_offset;
-    uInt out_len;
-
-    if (zip_error_code_zip(&ctx->error) != ZIP_ER_OK)
-	return -1;
-    
-    if (len == 0 || ctx->is_stored) {
-	return 0;
-    }
-	
-    out_offset = 0;
-    out_len = (uInt)ZIP_MIN(UINT_MAX, len);
-    ctx->zstr.next_out = (Bytef *)data;
-    ctx->zstr.avail_out = out_len;
-
-    end = 0;
-    while (!end) {
-	ret = deflate(&ctx->zstr, ctx->eof ? Z_FINISH : 0);
-
-	switch (ret) {
-        case Z_STREAM_END:
-            if (ctx->can_store && ctx->zstr.total_in <= ctx->zstr.total_out) {
-                ctx->is_stored = true;
-                ctx->size = ctx->zstr.total_in;
-                memcpy(data, ctx->buffer, ctx->size);
-                return (zip_int64_t)ctx->size;
-            }
-            /* fallthrough */
-	case Z_OK:
-	    /* all ok */
-
-	    if (ctx->zstr.avail_out == 0) {
-		out_offset += out_len;
-		if (out_offset < len) {
-		    out_len = (uInt)ZIP_MIN(UINT_MAX, len-out_offset);
-		    ctx->zstr.next_out = (Bytef *)data+out_offset;
-		    ctx->zstr.avail_out = out_len;
-		}
-		else {
-                    ctx->can_store = false;
-		    end = 1;
-		}
-	    }
-	    else if (ctx->eof && ctx->zstr.avail_in == 0)
-		end = 1;
-	    break;
-
-	case Z_BUF_ERROR:
-	    if (ctx->zstr.avail_in == 0) {
-		if (ctx->eof) {
-		    end = 1;
-		    break;
-		}
-
-		if ((n=zip_source_read(src, ctx->buffer, sizeof(ctx->buffer))) < 0) {
-                    _zip_error_set_from_source(&ctx->error, src);
-		    end = 1;
-		    break;
-		}
-		else if (n == 0) {
-		    ctx->eof = true;
-		    /* TODO: check against stat of src? */
-		    ctx->size = ctx->zstr.total_in;
-		}
-		else {
-                    if (ctx->zstr.total_in > 0) {
-                        /* we overwrote a previously filled ctx->buffer */
-                        ctx->can_store = false;
-                    }
-		    ctx->zstr.next_in = (Bytef *)ctx->buffer;
-		    ctx->zstr.avail_in = (uInt)n;
-		}
-		continue;
-	    }
-	    /* fallthrough */
-	case Z_NEED_DICT:
-	case Z_DATA_ERROR:
-	case Z_STREAM_ERROR:
-	case Z_MEM_ERROR:
-            zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret);
-
-	    end = 1;
-	    break;
-	}
-    }
-
-    if (ctx->zstr.avail_out < len) {
-	ctx->can_store = false;
-	return (zip_int64_t)(len - ctx->zstr.avail_out);
-    }
-
-    return (zip_error_code_zip(&ctx->error) == ZIP_ER_OK) ? 0 : -1;
-}
-
-
-static zip_int64_t
-decompress_read(zip_source_t *src, struct deflate *ctx, void *data, zip_uint64_t len)
-{
-    int end, ret;
-    zip_int64_t n;
-    zip_uint64_t out_offset;
-    uInt out_len;
-
-    if (zip_error_code_zip(&ctx->error) != ZIP_ER_OK)
-	return -1;
-    
-    if (len == 0)
-	return 0;
-
-    out_offset = 0;
-    out_len = (uInt)ZIP_MIN(UINT_MAX, len);
-    ctx->zstr.next_out = (Bytef *)data;
-    ctx->zstr.avail_out = out_len;
-
-    end = 0;
-    while (!end) {
-	ret = inflate(&ctx->zstr, Z_SYNC_FLUSH);
-
-	switch (ret) {
-	case Z_OK:
-	    if (ctx->zstr.avail_out == 0) {
-		out_offset += out_len;
-		if (out_offset < len) {
-		    out_len = (uInt)ZIP_MIN(UINT_MAX, len-out_offset);
-		    ctx->zstr.next_out = (Bytef *)data+out_offset;
-		    ctx->zstr.avail_out = out_len;
-		}
-		else {
-		    end = 1;
-		}
-	    }
-	    break;
-	    
-	case Z_STREAM_END:
-	    ctx->eof = 1;
-	    end = 1;
-	    break;
-
-	case Z_BUF_ERROR:
-	    if (ctx->zstr.avail_in == 0) {
-		if (ctx->eof) {
-		    end = 1;
-		    break;
-		}
-
-		if ((n=zip_source_read(src, ctx->buffer, sizeof(ctx->buffer))) < 0) {
-                    _zip_error_set_from_source(&ctx->error, src);
-		    end = 1;
-		    break;
-		}
-		else if (n == 0) {
-		    ctx->eof = 1;
-		}
-		else {
-		    ctx->zstr.next_in = (Bytef *)ctx->buffer;
-		    ctx->zstr.avail_in = (uInt)n;
-		}
-		continue;
-	    }
-	    /* fallthrough */
-	case Z_NEED_DICT:
-	case Z_DATA_ERROR:
-	case Z_STREAM_ERROR:
-	case Z_MEM_ERROR:
-            zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret);
-	    end = 1;
-	    break;
-	}
-    }
-
-    if (ctx->zstr.avail_out < len)
-	return (zip_int64_t)(len - ctx->zstr.avail_out);
-
-    return (zip_error_code_zip(&ctx->error) == ZIP_ER_OK) ? 0 : -1;
-}
-
-
-static zip_int64_t
-deflate_compress(zip_source_t *src, void *ud, void *data, zip_uint64_t len, zip_source_cmd_t cmd)
-{
-    struct deflate *ctx;
-    int ret;
-
-    ctx = (struct deflate *)ud;
-
-    switch (cmd) {
-    case ZIP_SOURCE_OPEN:
-	ctx->zstr.zalloc = Z_NULL;
-	ctx->zstr.zfree = Z_NULL;
-	ctx->zstr.opaque = NULL;
-	ctx->zstr.avail_in = 0;
-	ctx->zstr.next_in = NULL;
-	ctx->zstr.avail_out = 0;
-	ctx->zstr.next_out = NULL;
-
-	/* negative value to tell zlib not to write a header */
-	if ((ret=deflateInit2(&ctx->zstr, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, ctx->mem_level, Z_DEFAULT_STRATEGY)) != Z_OK) {
-            zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret);
-	    return -1;
-	}
-
-	return 0;
-
-    case ZIP_SOURCE_READ:
-	return compress_read(src, ctx, data, len);
-
-    case ZIP_SOURCE_CLOSE:
-	deflateEnd(&ctx->zstr);
-	return 0;
-
-    case ZIP_SOURCE_STAT:
-    	{
-	    zip_stat_t *st;
-
-	    st = (zip_stat_t *)data;
-
-	    st->comp_method = ctx->is_stored ? ZIP_CM_STORE : ZIP_CM_DEFLATE;
-	    st->valid |= ZIP_STAT_COMP_METHOD;
-	    if (ctx->eof) {
-		st->comp_size = ctx->size;
-		st->valid |= ZIP_STAT_COMP_SIZE;
-	    }
-	    else
-		st->valid &= ~ZIP_STAT_COMP_SIZE;
-	}
-	return 0;
-
-    case ZIP_SOURCE_ERROR:
-        return zip_error_to_data(&ctx->error, data, len);
-
-    case ZIP_SOURCE_FREE:
-	deflate_free(ctx);
-	return 0;
-
-    case ZIP_SOURCE_SUPPORTS:
-        return ZIP_SOURCE_SUPPORTS_READABLE;
-            
-    default:
-        zip_error_set(&ctx->error, ZIP_ER_INTERNAL, 0);
-	return -1;
-    }
-}
-
-
-static zip_int64_t
-deflate_decompress(zip_source_t *src, void *ud, void *data,
-		   zip_uint64_t len, zip_source_cmd_t cmd)
-{
-    struct deflate *ctx;
-    zip_int64_t n;
-    int ret;
-
-    ctx = (struct deflate *)ud;
-
-    switch (cmd) {
-        case ZIP_SOURCE_OPEN:
-            if ((n=zip_source_read(src, ctx->buffer, sizeof(ctx->buffer))) < 0) {
-                _zip_error_set_from_source(&ctx->error, src);
-                return -1;
-            }
-
-            ctx->zstr.zalloc = Z_NULL;
-            ctx->zstr.zfree = Z_NULL;
-            ctx->zstr.opaque = NULL;
-            ctx->zstr.next_in = (Bytef *)ctx->buffer;
-            ctx->zstr.avail_in = (uInt)n;
-
-            /* negative value to tell zlib that there is no header */
-            if ((ret=inflateInit2(&ctx->zstr, -MAX_WBITS)) != Z_OK) {
-                zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret);
-                return -1;
-            }
-            return 0;
-
-        case ZIP_SOURCE_READ:
-            return decompress_read(src, ctx, data, len);
-
-        case ZIP_SOURCE_CLOSE:
-            inflateEnd(&ctx->zstr);
-            return 0;
-
-        case ZIP_SOURCE_STAT:
-        {
-            zip_stat_t *st;
-            
-            st = (zip_stat_t *)data;
-            
-            st->comp_method = ZIP_CM_STORE;
-            if (st->comp_size > 0 && st->size > 0)
-                st->comp_size = st->size;
-            
-            return 0;
-        }
-
-        case ZIP_SOURCE_ERROR:
-            return zip_error_to_data(&ctx->error, data, len);
-
-        case ZIP_SOURCE_FREE:
-            free(ctx);
-            return 0;
-            
-        case ZIP_SOURCE_SUPPORTS:
-            return zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_STAT, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, -1);
-
-        default:
-            zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0);
-            return -1;
-    }
-}
-
-
-static void
-deflate_free(struct deflate *ctx)
-{
-    free(ctx);
-}