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In gunzip(1), treat trailing garbage as a warning and not an error. This
allows scripts to distinguish it between real fatal errors, for instance a CRC mismatch. Update manual page for the behavior change. PR: bin/203873 Submitted by: Eugene Grosbein <eugen grosbein net> MFC after: 2 weeks
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=290024
@ -25,7 +25,7 @@
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.Dd April 6, 2015
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.Dd October 26, 2015
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.Dt GZIP 1
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.Os
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.Sh NAME
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@ -136,7 +136,7 @@ option, allowing non-compressed data to pass through unchanged.
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.It Fl h , -help
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This option prints a usage summary and exits.
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.It Fl k , -keep
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Keep (don't delete) input files during compression
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Keep (do not delete) input files during compression
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or decompression.
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.It Fl L , -license
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This option prints
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@ -183,6 +183,12 @@ is set, it is parsed as a white-space separated list of options
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handled before any options on the command line.
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Options on the command line will override anything in
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.Ev GZIP .
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.Sh EXIT STATUS
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The
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.Nm
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utility exits 0 on success,
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1 on errors,
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and 2 if a warning occurs.
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.Sh SEE ALSO
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.Xr bzip2 1 ,
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.Xr compress 1 ,
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@ -220,7 +226,7 @@ with unpack support written by
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.An Xin LI Aq Mt delphij@FreeBSD.org .
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.Sh BUGS
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According to RFC 1952, the recorded file size is stored in a 32-bit
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integer, therefore, it can not represent files larger than 4GB.
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integer, therefore, it cannot represent files larger than 4GB.
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This limitation also applies to
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.Fl l
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option of
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@ -810,6 +810,7 @@ gz_uncompress(int in, int out, char *pre, size_t prelen, off_t *gsizep,
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if (in_tot > 0) {
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maybe_warnx("%s: trailing garbage "
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"ignored", filename);
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exit_value = 2;
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goto stop;
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}
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maybe_warnx("input not gziped (MAGIC0)");
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