diff options
Diffstat (limited to 'nx-X11/extras/freetype2/src/lzw/zopen.h')
| -rw-r--r-- | nx-X11/extras/freetype2/src/lzw/zopen.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/nx-X11/extras/freetype2/src/lzw/zopen.h b/nx-X11/extras/freetype2/src/lzw/zopen.h new file mode 100644 index 000000000..483b47e5c --- /dev/null +++ b/nx-X11/extras/freetype2/src/lzw/zopen.h @@ -0,0 +1,114 @@ +/* $NetBSD: zopen.c,v 1.8 2003/08/07 11:13:29 agc Exp $ */ + +/*- + * Copyright (c) 1985, 1986, 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Diomidis Spinellis and James A. Woods, derived from original + * work by Spencer Thomas and Joseph Orost. + * + * 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. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. + */ + +/*- + * + * Copyright (c) 2004 + * Albert Chin-A-Young. + * + * Modified to work with FreeType's PCF driver. + * + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)zopen.c 8.1 (Berkeley) 6/27/93"; +#else +static char rcsid[] = "$NetBSD: zopen.c,v 1.8 2003/08/07 11:13:29 agc Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include <stdio.h> + +#define BITS 16 /* Default bits. */ +#define HSIZE 69001 /* 95% occupancy */ + +/* A code_int must be able to hold 2**BITS values of type int, and also -1. */ +typedef long code_int; +typedef long count_int; + +typedef unsigned char char_type; + +typedef enum { + S_START, S_MIDDLE, S_EOF +} zs_enum; + +typedef struct { + unsigned char *next_in; + unsigned int avail_in; + unsigned long total_in; + + unsigned char *next_out; + unsigned int avail_out; + unsigned long total_out; + + zs_enum zs_state; /* State of computation */ + int zs_n_bits; /* Number of bits/code. */ + int zs_maxbits; /* User settable max # bits/code. */ + code_int zs_maxcode; /* Maximum code, given n_bits. */ + code_int zs_maxmaxcode; /* Should NEVER generate this code. */ + count_int zs_htab [HSIZE]; + unsigned short zs_codetab [HSIZE]; + code_int zs_hsize; /* For dynamic table sizing. */ + code_int zs_free_ent; /* First unused entry. */ + /* + * Block compression parameters -- after all codes are used up, + * and compression rate changes, start over. + */ + int zs_block_compress; + int zs_clear_flg; + int zs_offset; + long zs_in_count; /* Remaining uncompressed bytes. */ + char_type zs_buf_len; + char_type zs_buf[BITS]; /* Temporary buffer if we need + to read more to accumulate + n_bits. */ + union { + struct { + char_type *zs_stackp; + int zs_finchar; + code_int zs_code, zs_oldcode, zs_incode; + int zs_roffset, zs_size; + char_type zs_gbuf[BITS]; + } r; /* Read parameters */ + } u; +} s_zstate_t; + +static code_int getcode(s_zstate_t *); +#if 0 +static int zclose(s_zstate_t *); +#endif +static void zinit(s_zstate_t *); +static int zread(s_zstate_t *); |