140 ctf_zdata_init(ctf_zdata_t *czd, ctf_file_t *fp)  in ctf_zdata_init()  argument
144 	bzero(czd, sizeof (ctf_zdata_t));  in ctf_zdata_init()
146 	czd->czd_allocsz = fp->ctf_size;  in ctf_zdata_init()
147 	czd->czd_buf = ctf_data_alloc(czd->czd_allocsz);  in ctf_zdata_init()
148 	if (czd->czd_buf == MAP_FAILED)  in ctf_zdata_init()
151 	bcopy(fp->ctf_base, czd->czd_buf, sizeof (ctf_header_t));  in ctf_zdata_init()
152 	czd->czd_ctfp = fp;  in ctf_zdata_init()
153 	cthp = czd->czd_buf;  in ctf_zdata_init()
155 	czd->czd_next = (void *)((uintptr_t)czd->czd_buf +  in ctf_zdata_init()
158 	if (zlib.z_initcomp(&czd->czd_zstr, Z_BEST_COMPRESSION,  in ctf_zdata_init()
166 ctf_zdata_grow(ctf_zdata_t *czd)  in ctf_zdata_grow()  argument
172 	off = (uintptr_t)czd->czd_next - (uintptr_t)czd->czd_buf;  in ctf_zdata_grow()
173 	newsz = czd->czd_allocsz + CTF_COMPRESS_CHUNK;  in ctf_zdata_grow()
176 		return (ctf_set_errno(czd->czd_ctfp, ENOMEM));  in ctf_zdata_grow()
179 	bcopy(czd->czd_buf, ndata, off);  in ctf_zdata_grow()
180 	ctf_data_free(czd->czd_buf, czd->czd_allocsz);  in ctf_zdata_grow()
181 	czd->czd_allocsz = newsz;  in ctf_zdata_grow()
182 	czd->czd_buf = ndata;  in ctf_zdata_grow()
183 	czd->czd_next = (void *)((uintptr_t)ndata + off);  in ctf_zdata_grow()
185 	czd->czd_zstr.next_out = (Bytef *)czd->czd_next;  in ctf_zdata_grow()
186 	czd->czd_zstr.avail_out = CTF_COMPRESS_CHUNK;  in ctf_zdata_grow()
191 ctf_zdata_compress_buffer(ctf_zdata_t *czd, const void *buf, size_t bufsize)  in ctf_zdata_compress_buffer()  argument
195 	czd->czd_zstr.next_out = czd->czd_next;  in ctf_zdata_compress_buffer()
196 	czd->czd_zstr.avail_out = czd->czd_allocsz -  in ctf_zdata_compress_buffer()
197 	    ((uintptr_t)czd->czd_next - (uintptr_t)czd->czd_buf);  in ctf_zdata_compress_buffer()
198 	czd->czd_zstr.next_in = (Bytef *)buf;  in ctf_zdata_compress_buffer()
199 	czd->czd_zstr.avail_in = bufsize;  in ctf_zdata_compress_buffer()
201 	while (czd->czd_zstr.avail_in != 0) {  in ctf_zdata_compress_buffer()
202 		if (czd->czd_zstr.avail_out == 0) {  in ctf_zdata_compress_buffer()
203 			czd->czd_next = czd->czd_zstr.next_out;  in ctf_zdata_compress_buffer()
204 			if ((err = ctf_zdata_grow(czd)) != 0) {  in ctf_zdata_compress_buffer()
209 		if ((err = zlib.z_compress(&czd->czd_zstr, Z_NO_FLUSH)) != Z_OK)  in ctf_zdata_compress_buffer()
210 			return (ctf_set_errno(czd->czd_ctfp, ECTF_ZLIB));  in ctf_zdata_compress_buffer()
212 	czd->czd_next = czd->czd_zstr.next_out;  in ctf_zdata_compress_buffer()
218 ctf_zdata_flush(ctf_zdata_t *czd, boolean_t finish)  in ctf_zdata_flush()  argument
225 		if (czd->czd_zstr.avail_out == 0) {  in ctf_zdata_flush()
226 			czd->czd_next = czd->czd_zstr.next_out;  in ctf_zdata_flush()
227 			if ((err = ctf_zdata_grow(czd)) != 0) {  in ctf_zdata_flush()
232 		err = zlib.z_compress(&czd->czd_zstr, flag);  in ctf_zdata_flush()
237 			return (ctf_set_errno(czd->czd_ctfp, ECTF_ZLIB));  in ctf_zdata_flush()
241 	czd->czd_next = czd->czd_zstr.next_out;  in ctf_zdata_flush()
247 ctf_zdata_end(ctf_zdata_t *czd)  in ctf_zdata_end()  argument
251 	if ((ret = ctf_zdata_flush(czd, B_TRUE)) != 0)  in ctf_zdata_end()
254 	if ((ret = zlib.z_finicomp(&czd->czd_zstr)) != 0)  in ctf_zdata_end()
255 		return (ctf_set_errno(czd->czd_ctfp, ECTF_ZLIB));  in ctf_zdata_end()
261 ctf_zdata_cleanup(ctf_zdata_t *czd)  in ctf_zdata_cleanup()  argument
263 	ctf_data_free(czd->czd_buf, czd->czd_allocsz);  in ctf_zdata_cleanup()
264 	(void) zlib.z_finicomp(&czd->czd_zstr);  in ctf_zdata_cleanup()
279 	ctf_zdata_t czd;  in ctf_compress()  local
282 	if ((err = ctf_zdata_init(&czd, fp)) != 0)  in ctf_compress()
285 	if ((err = ctf_zdata_compress_buffer(&czd, fp->ctf_buf,  in ctf_compress()
287 		ctf_zdata_cleanup(&czd);  in ctf_compress()
291 	if ((err = ctf_zdata_flush(&czd, B_FALSE)) != 0) {  in ctf_compress()
292 		ctf_zdata_cleanup(&czd);  in ctf_compress()
296 	if ((err = ctf_zdata_compress_buffer(&czd,  in ctf_compress()
298 		ctf_zdata_cleanup(&czd);  in ctf_compress()
302 	if ((err = ctf_zdata_end(&czd)) != 0) {  in ctf_compress()
303 		ctf_zdata_cleanup(&czd);  in ctf_compress()
307 	*buf = czd.czd_buf;  in ctf_compress()
308 	*allocsz = czd.czd_allocsz;  in ctf_compress()
309 	*elfsize = (uintptr_t)czd.czd_next - (uintptr_t)czd.czd_buf;  in ctf_compress()