| 1 |
/* gzwrite.c -- zlib functions for writing gzip files |
| 2 |
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler |
| 3 |
* For conditions of distribution and use, see copyright notice in zlib.h |
| 4 |
*/ |
| 5 |
|
| 6 |
#include "gzguts.h" |
| 7 |
|
| 8 |
/* Local functions */ |
| 9 |
local int gz_init OF((gz_statep)); |
| 10 |
local int gz_comp OF((gz_statep, int)); |
| 11 |
local int gz_zero OF((gz_statep, z_off64_t)); |
| 12 |
|
| 13 |
/* Initialize state for writing a gzip file. Mark initialization by setting |
| 14 |
state->size to non-zero. Return -1 on failure or 0 on success. */ |
| 15 |
local int gz_init(state) |
| 16 |
gz_statep state; |
| 17 |
{ |
| 18 |
int ret; |
| 19 |
z_streamp strm = &(state->strm); |
| 20 |
|
| 21 |
/* allocate input buffer */ |
| 22 |
state->in = (unsigned char *)malloc(state->want); |
| 23 |
if (state->in == NULL) { |
| 24 |
gz_error(state, Z_MEM_ERROR, "out of memory"); |
| 25 |
return -1; |
| 26 |
} |
| 27 |
|
| 28 |
/* only need output buffer and deflate state if compressing */ |
| 29 |
if (!state->direct) { |
| 30 |
/* allocate output buffer */ |
| 31 |
state->out = (unsigned char *)malloc(state->want); |
| 32 |
if (state->out == NULL) { |
| 33 |
free(state->in); |
| 34 |
gz_error(state, Z_MEM_ERROR, "out of memory"); |
| 35 |
return -1; |
| 36 |
} |
| 37 |
|
| 38 |
/* allocate deflate memory, set up for gzip compression */ |
| 39 |
strm->zalloc = Z_NULL; |
| 40 |
strm->zfree = Z_NULL; |
| 41 |
strm->opaque = Z_NULL; |
| 42 |
ret = deflateInit2(strm, state->level, Z_DEFLATED, |
| 43 |
MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy); |
| 44 |
if (ret != Z_OK) { |
| 45 |
free(state->out); |
| 46 |
free(state->in); |
| 47 |
gz_error(state, Z_MEM_ERROR, "out of memory"); |
| 48 |
return -1; |
| 49 |
} |
| 50 |
} |
| 51 |
|
| 52 |
/* mark state as initialized */ |
| 53 |
state->size = state->want; |
| 54 |
|
| 55 |
/* initialize write buffer if compressing */ |
| 56 |
if (!state->direct) { |
| 57 |
strm->avail_out = state->size; |
| 58 |
strm->next_out = state->out; |
| 59 |
state->x.next = strm->next_out; |
| 60 |
} |
| 61 |
return 0; |
| 62 |
} |
| 63 |
|
| 64 |
/* Compress whatever is at avail_in and next_in and write to the output file. |
| 65 |
Return -1 if there is an error writing to the output file, otherwise 0. |
| 66 |
flush is assumed to be a valid deflate() flush value. If flush is Z_FINISH, |
| 67 |
then the deflate() state is reset to start a new gzip stream. If gz->direct |
| 68 |
is true, then simply write to the output file without compressing, and |
| 69 |
ignore flush. */ |
| 70 |
local int gz_comp(state, flush) |
| 71 |
gz_statep state; |
| 72 |
int flush; |
| 73 |
{ |
| 74 |
int ret, got; |
| 75 |
unsigned have; |
| 76 |
z_streamp strm = &(state->strm); |
| 77 |
|
| 78 |
/* allocate memory if this is the first time through */ |
| 79 |
if (state->size == 0 && gz_init(state) == -1) |
| 80 |
return -1; |
| 81 |
|
| 82 |
/* write directly if requested */ |
| 83 |
if (state->direct) { |
| 84 |
got = write(state->fd, strm->next_in, strm->avail_in); |
| 85 |
if (got < 0 || (unsigned)got != strm->avail_in) { |
| 86 |
gz_error(state, Z_ERRNO, zstrerror()); |
| 87 |
return -1; |
| 88 |
} |
| 89 |
strm->avail_in = 0; |
| 90 |
return 0; |
| 91 |
} |
| 92 |
|
| 93 |
/* run deflate() on provided input until it produces no more output */ |
| 94 |
ret = Z_OK; |
| 95 |
do { |
| 96 |
/* write out current buffer contents if full, or if flushing, but if |
| 97 |
doing Z_FINISH then don't write until we get to Z_STREAM_END */ |
| 98 |
if (strm->avail_out == 0 || (flush != Z_NO_FLUSH && |
| 99 |
(flush != Z_FINISH || ret == Z_STREAM_END))) { |
| 100 |
have = (unsigned)(strm->next_out - state->x.next); |
| 101 |
if (have && ((got = write(state->fd, state->x.next, have)) < 0 || |
| 102 |
(unsigned)got != have)) { |
| 103 |
gz_error(state, Z_ERRNO, zstrerror()); |
| 104 |
return -1; |
| 105 |
} |
| 106 |
if (strm->avail_out == 0) { |
| 107 |
strm->avail_out = state->size; |
| 108 |
strm->next_out = state->out; |
| 109 |
} |
| 110 |
state->x.next = strm->next_out; |
| 111 |
} |
| 112 |
|
| 113 |
/* compress */ |
| 114 |
have = strm->avail_out; |
| 115 |
ret = deflate(strm, flush); |
| 116 |
if (ret == Z_STREAM_ERROR) { |
| 117 |
gz_error(state, Z_STREAM_ERROR, |
| 118 |
"internal error: deflate stream corrupt"); |
| 119 |
return -1; |
| 120 |
} |
| 121 |
have -= strm->avail_out; |
| 122 |
} while (have); |
| 123 |
|
| 124 |
/* if that completed a deflate stream, allow another to start */ |
| 125 |
if (flush == Z_FINISH) |
| 126 |
deflateReset(strm); |
| 127 |
|
| 128 |
/* all done, no errors */ |
| 129 |
return 0; |
| 130 |
} |
| 131 |
|
| 132 |
/* Compress len zeros to output. Return -1 on error, 0 on success. */ |
| 133 |
local int gz_zero(state, len) |
| 134 |
gz_statep state; |
| 135 |
z_off64_t len; |
| 136 |
{ |
| 137 |
int first; |
| 138 |
unsigned n; |
| 139 |
z_streamp strm = &(state->strm); |
| 140 |
|
| 141 |
/* consume whatever's left in the input buffer */ |
| 142 |
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) |
| 143 |
return -1; |
| 144 |
|
| 145 |
/* compress len zeros (len guaranteed > 0) */ |
| 146 |
first = 1; |
| 147 |
while (len) { |
| 148 |
n = GT_OFF(state->size) || (z_off64_t)state->size > len ? |
| 149 |
(unsigned)len : state->size; |
| 150 |
if (first) { |
| 151 |
memset(state->in, 0, n); |
| 152 |
first = 0; |
| 153 |
} |
| 154 |
strm->avail_in = n; |
| 155 |
strm->next_in = state->in; |
| 156 |
state->x.pos += n; |
| 157 |
if (gz_comp(state, Z_NO_FLUSH) == -1) |
| 158 |
return -1; |
| 159 |
len -= n; |
| 160 |
} |
| 161 |
return 0; |
| 162 |
} |
| 163 |
|
| 164 |
/* -- see zlib.h -- */ |
| 165 |
int ZEXPORT gzwrite(file, buf, len) |
| 166 |
gzFile file; |
| 167 |
voidpc buf; |
| 168 |
unsigned len; |
| 169 |
{ |
| 170 |
unsigned put = len; |
| 171 |
gz_statep state; |
| 172 |
z_streamp strm; |
| 173 |
|
| 174 |
/* get internal structure */ |
| 175 |
if (file == NULL) |
| 176 |
return 0; |
| 177 |
state = (gz_statep)file; |
| 178 |
strm = &(state->strm); |
| 179 |
|
| 180 |
/* check that we're writing and that there's no error */ |
| 181 |
if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 182 |
return 0; |
| 183 |
|
| 184 |
/* since an int is returned, make sure len fits in one, otherwise return |
| 185 |
with an error (this avoids the flaw in the interface) */ |
| 186 |
if ((int)len < 0) { |
| 187 |
gz_error(state, Z_DATA_ERROR, "requested length does not fit in int"); |
| 188 |
return 0; |
| 189 |
} |
| 190 |
|
| 191 |
/* if len is zero, avoid unnecessary operations */ |
| 192 |
if (len == 0) |
| 193 |
return 0; |
| 194 |
|
| 195 |
/* allocate memory if this is the first time through */ |
| 196 |
if (state->size == 0 && gz_init(state) == -1) |
| 197 |
return 0; |
| 198 |
|
| 199 |
/* check for seek request */ |
| 200 |
if (state->seek) { |
| 201 |
state->seek = 0; |
| 202 |
if (gz_zero(state, state->skip) == -1) |
| 203 |
return 0; |
| 204 |
} |
| 205 |
|
| 206 |
/* for small len, copy to input buffer, otherwise compress directly */ |
| 207 |
if (len < state->size) { |
| 208 |
/* copy to input buffer, compress when full */ |
| 209 |
do { |
| 210 |
unsigned have, copy; |
| 211 |
|
| 212 |
if (strm->avail_in == 0) |
| 213 |
strm->next_in = state->in; |
| 214 |
have = (unsigned)((strm->next_in + strm->avail_in) - state->in); |
| 215 |
copy = state->size - have; |
| 216 |
if (copy > len) |
| 217 |
copy = len; |
| 218 |
memcpy(state->in + have, buf, copy); |
| 219 |
strm->avail_in += copy; |
| 220 |
state->x.pos += copy; |
| 221 |
buf = (const char *)buf + copy; |
| 222 |
len -= copy; |
| 223 |
if (len && gz_comp(state, Z_NO_FLUSH) == -1) |
| 224 |
return 0; |
| 225 |
} while (len); |
| 226 |
} |
| 227 |
else { |
| 228 |
/* consume whatever's left in the input buffer */ |
| 229 |
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) |
| 230 |
return 0; |
| 231 |
|
| 232 |
/* directly compress user buffer to file */ |
| 233 |
strm->avail_in = len; |
| 234 |
strm->next_in = (z_const Bytef *)buf; |
| 235 |
state->x.pos += len; |
| 236 |
if (gz_comp(state, Z_NO_FLUSH) == -1) |
| 237 |
return 0; |
| 238 |
} |
| 239 |
|
| 240 |
/* input was all buffered or compressed (put will fit in int) */ |
| 241 |
return (int)put; |
| 242 |
} |
| 243 |
|
| 244 |
/* -- see zlib.h -- */ |
| 245 |
int ZEXPORT gzputc(file, c) |
| 246 |
gzFile file; |
| 247 |
int c; |
| 248 |
{ |
| 249 |
unsigned have; |
| 250 |
unsigned char buf[1]; |
| 251 |
gz_statep state; |
| 252 |
z_streamp strm; |
| 253 |
|
| 254 |
/* get internal structure */ |
| 255 |
if (file == NULL) |
| 256 |
return -1; |
| 257 |
state = (gz_statep)file; |
| 258 |
strm = &(state->strm); |
| 259 |
|
| 260 |
/* check that we're writing and that there's no error */ |
| 261 |
if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 262 |
return -1; |
| 263 |
|
| 264 |
/* check for seek request */ |
| 265 |
if (state->seek) { |
| 266 |
state->seek = 0; |
| 267 |
if (gz_zero(state, state->skip) == -1) |
| 268 |
return -1; |
| 269 |
} |
| 270 |
|
| 271 |
/* try writing to input buffer for speed (state->size == 0 if buffer not |
| 272 |
initialized) */ |
| 273 |
if (state->size) { |
| 274 |
if (strm->avail_in == 0) |
| 275 |
strm->next_in = state->in; |
| 276 |
have = (unsigned)((strm->next_in + strm->avail_in) - state->in); |
| 277 |
if (have < state->size) { |
| 278 |
state->in[have] = c; |
| 279 |
strm->avail_in++; |
| 280 |
state->x.pos++; |
| 281 |
return c & 0xff; |
| 282 |
} |
| 283 |
} |
| 284 |
|
| 285 |
/* no room in buffer or not initialized, use gz_write() */ |
| 286 |
buf[0] = c; |
| 287 |
if (gzwrite(file, buf, 1) != 1) |
| 288 |
return -1; |
| 289 |
return c & 0xff; |
| 290 |
} |
| 291 |
|
| 292 |
/* -- see zlib.h -- */ |
| 293 |
int ZEXPORT gzputs(file, str) |
| 294 |
gzFile file; |
| 295 |
const char *str; |
| 296 |
{ |
| 297 |
int ret; |
| 298 |
unsigned len; |
| 299 |
|
| 300 |
/* write string */ |
| 301 |
len = (unsigned)strlen(str); |
| 302 |
ret = gzwrite(file, str, len); |
| 303 |
return ret == 0 && len != 0 ? -1 : ret; |
| 304 |
} |
| 305 |
|
| 306 |
#if defined(STDC) || defined(Z_HAVE_STDARG_H) |
| 307 |
#include <stdarg.h> |
| 308 |
|
| 309 |
/* -- see zlib.h -- */ |
| 310 |
int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) |
| 311 |
{ |
| 312 |
int size, len; |
| 313 |
gz_statep state; |
| 314 |
z_streamp strm; |
| 315 |
|
| 316 |
/* get internal structure */ |
| 317 |
if (file == NULL) |
| 318 |
return -1; |
| 319 |
state = (gz_statep)file; |
| 320 |
strm = &(state->strm); |
| 321 |
|
| 322 |
/* check that we're writing and that there's no error */ |
| 323 |
if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 324 |
return 0; |
| 325 |
|
| 326 |
/* make sure we have some buffer space */ |
| 327 |
if (state->size == 0 && gz_init(state) == -1) |
| 328 |
return 0; |
| 329 |
|
| 330 |
/* check for seek request */ |
| 331 |
if (state->seek) { |
| 332 |
state->seek = 0; |
| 333 |
if (gz_zero(state, state->skip) == -1) |
| 334 |
return 0; |
| 335 |
} |
| 336 |
|
| 337 |
/* consume whatever's left in the input buffer */ |
| 338 |
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) |
| 339 |
return 0; |
| 340 |
|
| 341 |
/* do the printf() into the input buffer, put length in len */ |
| 342 |
size = (int)(state->size); |
| 343 |
state->in[size - 1] = 0; |
| 344 |
#ifdef NO_vsnprintf |
| 345 |
# ifdef HAS_vsprintf_void |
| 346 |
(void)vsprintf((char *)(state->in), format, va); |
| 347 |
for (len = 0; len < size; len++) |
| 348 |
if (state->in[len] == 0) break; |
| 349 |
# else |
| 350 |
len = vsprintf((char *)(state->in), format, va); |
| 351 |
# endif |
| 352 |
#else |
| 353 |
# ifdef HAS_vsnprintf_void |
| 354 |
(void)vsnprintf((char *)(state->in), size, format, va); |
| 355 |
len = strlen((char *)(state->in)); |
| 356 |
# else |
| 357 |
len = vsnprintf((char *)(state->in), size, format, va); |
| 358 |
# endif |
| 359 |
#endif |
| 360 |
|
| 361 |
/* check that printf() results fit in buffer */ |
| 362 |
if (len <= 0 || len >= (int)size || state->in[size - 1] != 0) |
| 363 |
return 0; |
| 364 |
|
| 365 |
/* update buffer and position, defer compression until needed */ |
| 366 |
strm->avail_in = (unsigned)len; |
| 367 |
strm->next_in = state->in; |
| 368 |
state->x.pos += len; |
| 369 |
return len; |
| 370 |
} |
| 371 |
|
| 372 |
int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) |
| 373 |
{ |
| 374 |
va_list va; |
| 375 |
int ret; |
| 376 |
|
| 377 |
va_start(va, format); |
| 378 |
ret = gzvprintf(file, format, va); |
| 379 |
va_end(va); |
| 380 |
return ret; |
| 381 |
} |
| 382 |
|
| 383 |
#else /* !STDC && !Z_HAVE_STDARG_H */ |
| 384 |
|
| 385 |
/* -- see zlib.h -- */ |
| 386 |
int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, |
| 387 |
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) |
| 388 |
gzFile file; |
| 389 |
const char *format; |
| 390 |
int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, |
| 391 |
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20; |
| 392 |
{ |
| 393 |
int size, len; |
| 394 |
gz_statep state; |
| 395 |
z_streamp strm; |
| 396 |
|
| 397 |
/* get internal structure */ |
| 398 |
if (file == NULL) |
| 399 |
return -1; |
| 400 |
state = (gz_statep)file; |
| 401 |
strm = &(state->strm); |
| 402 |
|
| 403 |
/* check that can really pass pointer in ints */ |
| 404 |
if (sizeof(int) != sizeof(void *)) |
| 405 |
return 0; |
| 406 |
|
| 407 |
/* check that we're writing and that there's no error */ |
| 408 |
if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 409 |
return 0; |
| 410 |
|
| 411 |
/* make sure we have some buffer space */ |
| 412 |
if (state->size == 0 && gz_init(state) == -1) |
| 413 |
return 0; |
| 414 |
|
| 415 |
/* check for seek request */ |
| 416 |
if (state->seek) { |
| 417 |
state->seek = 0; |
| 418 |
if (gz_zero(state, state->skip) == -1) |
| 419 |
return 0; |
| 420 |
} |
| 421 |
|
| 422 |
/* consume whatever's left in the input buffer */ |
| 423 |
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) |
| 424 |
return 0; |
| 425 |
|
| 426 |
/* do the printf() into the input buffer, put length in len */ |
| 427 |
size = (int)(state->size); |
| 428 |
state->in[size - 1] = 0; |
| 429 |
#ifdef NO_snprintf |
| 430 |
# ifdef HAS_sprintf_void |
| 431 |
sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8, |
| 432 |
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); |
| 433 |
for (len = 0; len < size; len++) |
| 434 |
if (state->in[len] == 0) break; |
| 435 |
# else |
| 436 |
len = sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8, |
| 437 |
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); |
| 438 |
# endif |
| 439 |
#else |
| 440 |
# ifdef HAS_snprintf_void |
| 441 |
snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, a7, a8, |
| 442 |
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); |
| 443 |
len = strlen((char *)(state->in)); |
| 444 |
# else |
| 445 |
len = snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, |
| 446 |
a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, |
| 447 |
a19, a20); |
| 448 |
# endif |
| 449 |
#endif |
| 450 |
|
| 451 |
/* check that printf() results fit in buffer */ |
| 452 |
if (len <= 0 || len >= (int)size || state->in[size - 1] != 0) |
| 453 |
return 0; |
| 454 |
|
| 455 |
/* update buffer and position, defer compression until needed */ |
| 456 |
strm->avail_in = (unsigned)len; |
| 457 |
strm->next_in = state->in; |
| 458 |
state->x.pos += len; |
| 459 |
return len; |
| 460 |
} |
| 461 |
|
| 462 |
#endif |
| 463 |
|
| 464 |
/* -- see zlib.h -- */ |
| 465 |
int ZEXPORT gzflush(file, flush) |
| 466 |
gzFile file; |
| 467 |
int flush; |
| 468 |
{ |
| 469 |
gz_statep state; |
| 470 |
|
| 471 |
/* get internal structure */ |
| 472 |
if (file == NULL) |
| 473 |
return -1; |
| 474 |
state = (gz_statep)file; |
| 475 |
|
| 476 |
/* check that we're writing and that there's no error */ |
| 477 |
if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 478 |
return Z_STREAM_ERROR; |
| 479 |
|
| 480 |
/* check flush parameter */ |
| 481 |
if (flush < 0 || flush > Z_FINISH) |
| 482 |
return Z_STREAM_ERROR; |
| 483 |
|
| 484 |
/* check for seek request */ |
| 485 |
if (state->seek) { |
| 486 |
state->seek = 0; |
| 487 |
if (gz_zero(state, state->skip) == -1) |
| 488 |
return -1; |
| 489 |
} |
| 490 |
|
| 491 |
/* compress remaining data with requested flush */ |
| 492 |
gz_comp(state, flush); |
| 493 |
return state->err; |
| 494 |
} |
| 495 |
|
| 496 |
/* -- see zlib.h -- */ |
| 497 |
int ZEXPORT gzsetparams(file, level, strategy) |
| 498 |
gzFile file; |
| 499 |
int level; |
| 500 |
int strategy; |
| 501 |
{ |
| 502 |
gz_statep state; |
| 503 |
z_streamp strm; |
| 504 |
|
| 505 |
/* get internal structure */ |
| 506 |
if (file == NULL) |
| 507 |
return Z_STREAM_ERROR; |
| 508 |
state = (gz_statep)file; |
| 509 |
strm = &(state->strm); |
| 510 |
|
| 511 |
/* check that we're writing and that there's no error */ |
| 512 |
if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 513 |
return Z_STREAM_ERROR; |
| 514 |
|
| 515 |
/* if no change is requested, then do nothing */ |
| 516 |
if (level == state->level && strategy == state->strategy) |
| 517 |
return Z_OK; |
| 518 |
|
| 519 |
/* check for seek request */ |
| 520 |
if (state->seek) { |
| 521 |
state->seek = 0; |
| 522 |
if (gz_zero(state, state->skip) == -1) |
| 523 |
return -1; |
| 524 |
} |
| 525 |
|
| 526 |
/* change compression parameters for subsequent input */ |
| 527 |
if (state->size) { |
| 528 |
/* flush previous input with previous parameters before changing */ |
| 529 |
if (strm->avail_in && gz_comp(state, Z_PARTIAL_FLUSH) == -1) |
| 530 |
return state->err; |
| 531 |
deflateParams(strm, level, strategy); |
| 532 |
} |
| 533 |
state->level = level; |
| 534 |
state->strategy = strategy; |
| 535 |
return Z_OK; |
| 536 |
} |
| 537 |
|
| 538 |
/* -- see zlib.h -- */ |
| 539 |
int ZEXPORT gzclose_w(file) |
| 540 |
gzFile file; |
| 541 |
{ |
| 542 |
int ret = Z_OK; |
| 543 |
gz_statep state; |
| 544 |
|
| 545 |
/* get internal structure */ |
| 546 |
if (file == NULL) |
| 547 |
return Z_STREAM_ERROR; |
| 548 |
state = (gz_statep)file; |
| 549 |
|
| 550 |
/* check that we're writing */ |
| 551 |
if (state->mode != GZ_WRITE) |
| 552 |
return Z_STREAM_ERROR; |
| 553 |
|
| 554 |
/* check for seek request */ |
| 555 |
if (state->seek) { |
| 556 |
state->seek = 0; |
| 557 |
if (gz_zero(state, state->skip) == -1) |
| 558 |
ret = state->err; |
| 559 |
} |
| 560 |
|
| 561 |
/* flush, free memory, and close file */ |
| 562 |
if (gz_comp(state, Z_FINISH) == -1) |
| 563 |
ret = state->err; |
| 564 |
if (state->size) { |
| 565 |
if (!state->direct) { |
| 566 |
(void)deflateEnd(&(state->strm)); |
| 567 |
free(state->out); |
| 568 |
} |
| 569 |
free(state->in); |
| 570 |
} |
| 571 |
gz_error(state, Z_OK, NULL); |
| 572 |
free(state->path); |
| 573 |
if (close(state->fd) == -1) |
| 574 |
ret = Z_ERRNO; |
| 575 |
free(state); |
| 576 |
return ret; |
| 577 |
} |
