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authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /lib/decompress_bunzip2.c
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'lib/decompress_bunzip2.c')
-rw-r--r--lib/decompress_bunzip2.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c
index 600f473a5610..a4e971dee102 100644
--- a/lib/decompress_bunzip2.c
+++ b/lib/decompress_bunzip2.c
@@ -299,7 +299,7 @@ static int INIT get_next_block(struct bunzip_data *bd)
299 again when using them (during symbol decoding).*/ 299 again when using them (during symbol decoding).*/
300 base = hufGroup->base-1; 300 base = hufGroup->base-1;
301 limit = hufGroup->limit-1; 301 limit = hufGroup->limit-1;
302 /* Calculate permute[]. Concurently, initialize 302 /* Calculate permute[]. Concurrently, initialize
303 * temp[] and limit[]. */ 303 * temp[] and limit[]. */
304 pp = 0; 304 pp = 0;
305 for (i = minLen; i <= maxLen; i++) { 305 for (i = minLen; i <= maxLen; i++) {
@@ -637,6 +637,8 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, int len,
637 637
638 /* Allocate bunzip_data. Most fields initialize to zero. */ 638 /* Allocate bunzip_data. Most fields initialize to zero. */
639 bd = *bdp = malloc(i); 639 bd = *bdp = malloc(i);
640 if (!bd)
641 return RETVAL_OUT_OF_MEMORY;
640 memset(bd, 0, sizeof(struct bunzip_data)); 642 memset(bd, 0, sizeof(struct bunzip_data));
641 /* Setup input buffer */ 643 /* Setup input buffer */
642 bd->inbuf = inbuf; 644 bd->inbuf = inbuf;
@@ -664,6 +666,8 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, int len,
664 bd->dbufSize = 100000*(i-BZh0); 666 bd->dbufSize = 100000*(i-BZh0);
665 667
666 bd->dbuf = large_malloc(bd->dbufSize * sizeof(int)); 668 bd->dbuf = large_malloc(bd->dbufSize * sizeof(int));
669 if (!bd->dbuf)
670 return RETVAL_OUT_OF_MEMORY;
667 return RETVAL_OK; 671 return RETVAL_OK;
668} 672}
669 673
@@ -686,7 +690,7 @@ STATIC int INIT bunzip2(unsigned char *buf, int len,
686 690
687 if (!outbuf) { 691 if (!outbuf) {
688 error("Could not allocate output bufer"); 692 error("Could not allocate output bufer");
689 return -1; 693 return RETVAL_OUT_OF_MEMORY;
690 } 694 }
691 if (buf) 695 if (buf)
692 inbuf = buf; 696 inbuf = buf;
@@ -694,6 +698,7 @@ STATIC int INIT bunzip2(unsigned char *buf, int len,
694 inbuf = malloc(BZIP2_IOBUF_SIZE); 698 inbuf = malloc(BZIP2_IOBUF_SIZE);
695 if (!inbuf) { 699 if (!inbuf) {
696 error("Could not allocate input bufer"); 700 error("Could not allocate input bufer");
701 i = RETVAL_OUT_OF_MEMORY;
697 goto exit_0; 702 goto exit_0;
698 } 703 }
699 i = start_bunzip(&bd, inbuf, len, fill); 704 i = start_bunzip(&bd, inbuf, len, fill);
@@ -720,11 +725,14 @@ STATIC int INIT bunzip2(unsigned char *buf, int len,
720 } else if (i == RETVAL_UNEXPECTED_OUTPUT_EOF) { 725 } else if (i == RETVAL_UNEXPECTED_OUTPUT_EOF) {
721 error("Compressed file ends unexpectedly"); 726 error("Compressed file ends unexpectedly");
722 } 727 }
728 if (!bd)
729 goto exit_1;
723 if (bd->dbuf) 730 if (bd->dbuf)
724 large_free(bd->dbuf); 731 large_free(bd->dbuf);
725 if (pos) 732 if (pos)
726 *pos = bd->inbufPos; 733 *pos = bd->inbufPos;
727 free(bd); 734 free(bd);
735exit_1:
728 if (!buf) 736 if (!buf)
729 free(inbuf); 737 free(inbuf);
730exit_0: 738exit_0: