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Apply a NetBSD fix (revision 1.12) to handle multi-session bzip2 files

Browse Source 
as created by pbzip2.

Submitted by:	mrg (NetBSD.org)
MFC after:	1 week
This commit is contained in:
Xin LI 2009-11-09 02:37:02 +00:00
parent 4d3a629c65
commit 0c10c611ff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=199066
1 changed files with 14 additions and 5 deletions
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19
usr.bin/gzip/unbzip2.c
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@ -1,4 +1,4 @@
/* $NetBSD: unbzip2.c,v 1.11 2008/04/28 20:24:13 martin Exp $ */
/* $NetBSD: unbzip2.c,v 1.12 2009/10/11 05:17:20 mrg Exp $ */
/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
@ -64,7 +64,7 @@ unbzip2(int in, int out, char *pre, size_t prelen, off_t *bytes_in)
if (bytes_in)
*bytes_in = prelen;
while (ret >= BZ_OK && ret != BZ_STREAM_END) {
while (ret == BZ_OK) {
if (bzs.avail_in == 0 && !end_of_file) {
ssize_t n;
@ -88,7 +88,7 @@ unbzip2(int in, int out, char *pre, size_t prelen, off_t *bytes_in)
case BZ_OK:
if (ret == BZ_OK && end_of_file)
maybe_err("read");
if (!tflag) {
if (!tflag && bzs.avail_out != BUFLEN) {
ssize_t n;
n = write(out, outbuf, BUFLEN - bzs.avail_out);
@ -96,7 +96,13 @@ unbzip2(int in, int out, char *pre, size_t prelen, off_t *bytes_in)
maybe_err("write");
bytes_out += n;
}
break;
if (ret == BZ_STREAM_END && !end_of_file) {
if (BZ2_bzDecompressEnd(&bzs) != BZ_OK ||
BZ2_bzDecompressInit(&bzs, 0, 0) != BZ_OK)
maybe_errx("bzip2 re-init");
ret = BZ_OK;
}
break;
case BZ_DATA_ERROR:
maybe_warnx("bzip2 data integrity error");
@ -109,7 +115,10 @@ unbzip2(int in, int out, char *pre, size_t prelen, off_t *bytes_in)
case BZ_MEM_ERROR:
maybe_warnx("bzip2 out of memory");
break;
default:
maybe_warnx("unknown bzip2 error: %d", ret);
break;
}
}