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- /* Copyright (C) 1995, 1997 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- or distributor accepts any responsibility for the consequences of using it,
- or for whether it serves any particular purpose or works at all, unless he
- or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin Ghostscript must include a copy of the License,
- normally in a plain ASCII text file named PUBLIC. The License grants you
- the right to copy, modify and redistribute Aladdin Ghostscript, but only
- under certain conditions described in the License. Among other things, the
- License requires that the copyright notice and this notice be preserved on
- all copies.
- */
-
- /* szlibc.c */
- /* Code common to zlib encoding and decoding streams */
- #include "std.h"
- #include "gstypes.h"
- #include "gsmemory.h"
- #include "gsstruct.h"
- #include "strimpl.h"
- #include "szlibx.h"
- #include "zconf.h"
-
- public_st_zlib_state();
-
- #define ss ((stream_zlib_state *)st)
-
- /* Set defaults for stream parameters. */
- void
- s_zlib_set_defaults(stream_state *st)
- { ss->windowBits = MAX_WBITS;
- ss->no_wrapper = false;
- ss->level = Z_DEFAULT_COMPRESSION;
- ss->method = Z_DEFLATED;
- /* DEF_MEM_LEVEL should be in zlib.h or zconf.h, but it isn't. */
- ss->memLevel = min(MAX_MEM_LEVEL, 8);
- ss->strategy = Z_DEFAULT_STRATEGY;
- }
-
- #undef ss
-
- /* Provide zlib-compatible allocation and freeing functions. */
- void *
- s_zlib_alloc(void *mem, uint items, uint size)
- { void *address =
- gs_alloc_byte_array((gs_memory_t *)mem, items, size, "zlib");
- return (address == 0 ? Z_NULL : address);
- }
- void
- s_zlib_free(void *mem, void *address)
- { gs_free_object((gs_memory_t *)mem, address, "zlib");
- }
-