usr.bin/compress/zopen.c

142 #define	fp		zs->zs_fp
143 #define	zmode		zs->zs_mode
144 #define	state		zs->zs_state
145 #define	n_bits		zs->zs_n_bits
146 #define	maxbits		zs->zs_maxbits
147 #define	maxcode		zs->zs_maxcode
148 #define	maxmaxcode	zs->zs_maxmaxcode
149 #define	htab		zs->zs_htab
150 #define	codetab		zs->zs_codetab
151 #define	hsize		zs->zs_hsize
152 #define	free_ent	zs->zs_free_ent
153 #define	block_compress	zs->zs_block_compress
154 #define	clear_flg	zs->zs_clear_flg
155 #define	ratio		zs->zs_ratio
156 #define	checkpoint	zs->zs_checkpoint
157 #define	offset		zs->zs_offset
158 #define	in_count	zs->zs_in_count
159 #define	bytes_out	zs->zs_bytes_out
160 #define	out_count	zs->zs_out_count
161 #define	buf		zs->zs_buf
162 #define	fcode		zs->u.w.zs_fcode
163 #define	hsize_reg	zs->u.w.zs_hsize_reg
164 #define	ent		zs->u.w.zs_ent
165 #define	hshift		zs->u.w.zs_hshift
166 #define	stackp		zs->u.r.zs_stackp
167 #define	finchar		zs->u.r.zs_finchar
168 #define	code		zs->u.r.zs_code
169 #define	oldcode		zs->u.r.zs_oldcode
170 #define	incode		zs->u.r.zs_incode
171 #define	roffset		zs->u.r.zs_roffset
172 #define	size		zs->u.r.zs_size
173 #define	gbuf		zs->u.r.zs_gbuf
239 	struct s_zstate *zs;
247 	zs = cookie;
281 	cl_hash(zs, (count_int)hsize_reg);	/* Clear hash table. */
306 nomatch:	if (output(zs, (code_int) ent) == -1)
315 			if (cl_block(zs) == -1)
325 	struct s_zstate *zs;
328 	zs = cookie;
330 		if (output(zs, (code_int) ent) == -1) {
332 			free(zs);
336 		if (output(zs, (code_int) - 1) == -1) {
338 			free(zs);
343 	free(zs);
368 output(struct s_zstate *zs, code_int ocode)
459 	struct s_zstate *zs;
465 	zs = cookie;
501 	finchar = oldcode = getcode(zs);
510 	while ((code = getcode(zs)) > -1) {
575 getcode(struct s_zstate *zs)
633 cl_block(struct s_zstate *zs)		/* Table clear for block compress. */
651 		cl_hash(zs, (count_int) hsize);
654 		if (output(zs, (code_int) CLEAR) == -1)
661 cl_hash(struct s_zstate *zs, count_int cl_hsize)	/* Reset code table. */
695 	struct s_zstate *zs;
703 	if ((zs = calloc(1, sizeof(struct s_zstate))) == NULL)
725 		free(zs);
731 		return (funopen(zs, zread, NULL, NULL, zclose));
734 		return (funopen(zs, NULL, zwrite, NULL, zclose));