Cross Reference: /src/usr.bin/gzip/unpack.c

Lines Matching defs:unpackd
99 unpack_descriptor_fini(unpack_descriptor_t *unpackd)
102 	free(unpackd->symbolsin);
103 	free(unpackd->inodesin);
104 	free(unpackd->symbol);
105 	free(unpackd->tree);
107 	fclose(unpackd->fpIn);
108 	fclose(unpackd->fpOut);
115 unpackd_fill_inodesin(const unpack_descriptor_t *unpackd, int level)
123 	if (level < unpackd->treelevels) {
124 		unpackd_fill_inodesin(unpackd, level + 1);
125 		unpackd->inodesin[level] = (unpackd->inodesin[level + 1] +
126 					  unpackd->symbolsin[level + 1]) / 2;
128 		unpackd->inodesin[level] = 0;
150     unpack_descriptor_t *unpackd)
169 	unpackd->uncompressed_size = 0;
171 		unpackd->uncompressed_size <<= 8;
172 		unpackd->uncompressed_size |= hdr[i];
176 	unpackd->treelevels = hdr[6];
177 	if (unpackd->treelevels > HTREE_MAXLEVEL || unpackd->treelevels < 1)
181 	if ((unpackd->fpIn = fdopen(in, "r")) == NULL)
183 	if ((unpackd->fpOut = fdopen(out, "w")) == NULL)
187 	unpackd->inodesin =
188 	    calloc(unpackd->treelevels, sizeof(*(unpackd->inodesin)));
189 	unpackd->symbolsin =
190 	    calloc(unpackd->treelevels, sizeof(*(unpackd->symbolsin)));
191 	unpackd->tree =
192 	    calloc(unpackd->treelevels, (sizeof (*(unpackd->tree))));
193 	if (unpackd->inodesin == NULL || unpackd->symbolsin == NULL ||
194 	    unpackd->tree == NULL)
198 	unpackd->treelevels--;
201 	unpackd->symbol_size = 1;		/* EOB */
202 	for (i = 0; i <= unpackd->treelevels; i++) {
203 		if ((thisbyte = fgetc(unpackd->fpIn)) == EOF)
205 		unpackd->symbolsin[i] = (unsigned char)thisbyte;
206 		unpackd->symbol_size += unpackd->symbolsin[i];
208 	accepted_bytes(bytes_in, unpackd->treelevels);
209 	if (unpackd->symbol_size > 256)
211 	infile_newdata(unpackd->treelevels);
214 	unpackd->symbol_eob = unpackd->symbol = calloc(1, unpackd->symbol_size);
215 	if (unpackd->symbol == NULL)
227 	unpackd->symbolsin[unpackd->treelevels]++;
228 	for (i = 0; i <= unpackd->treelevels; i++) {
229 		unpackd->tree[i] = unpackd->symbol_eob;
230 		for (j = 0; j < unpackd->symbolsin[i]; j++) {
231 			if ((thisbyte = fgetc(unpackd->fpIn)) == EOF)
233 			*unpackd->symbol_eob++ = (char)thisbyte;
235 		infile_newdata(unpackd->symbolsin[i]);
236 		accepted_bytes(bytes_in, unpackd->symbolsin[i]);
240 	unpackd->symbolsin[unpackd->treelevels]++;
246 	unpackd_fill_inodesin(unpackd, 0);
253 unpack_decode(const unpack_descriptor_t *unpackd, off_t *bytes_in)
271 	while ((thisbyte = fgetc(unpackd->fpIn)) != EOF) {
285 			if (thiscode >= unpackd->inodesin[thislevel]) {
287 				    thiscode - unpackd->inodesin[thislevel];
288 				if (inlevelindex > unpackd->symbolsin[thislevel])
292 				    &(unpackd->tree[thislevel][inlevelindex]);
293 				if ((thissymbol == unpackd->symbol_eob) &&
294 				    (bytes_out == unpackd->uncompressed_size))
297 				fputc((*thissymbol), unpackd->fpOut);
304 				if (thislevel > unpackd->treelevels)
311 	if (bytes_out != unpackd->uncompressed_size)
319 	unpack_descriptor_t	unpackd;
321 	unpack_parse_header(dup(in), dup(out), pre, prelen, bytes_in, &unpackd);
322 	unpack_decode(&unpackd, bytes_in);
323 	unpack_descriptor_fini(&unpackd);
326 	return (unpackd.uncompressed_size);
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