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libzio-0.9.dif
118
libzio-0.9.dif
@ -1,5 +1,121 @@
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--- fzopen.3.in
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+++ fzopen.3.in 2008-10-16 14:48:34.823680248 +0200
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@@ -1,6 +1,8 @@
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+'\" t -*- coding: UTF-8 -*-
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.\"
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.\" Copyright 2004 Werner Fink, 2004 SuSE LINUX AG, Germany.
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.\" Copyright 2006 Werner Fink, 2006 SuSE Products GmbH, Germany.
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+.\" Copyright 2008 Werner Fink, 2008 SuSE Products GmbH, Germany.
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.\"
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.\" This program is free software; you can redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as published by
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@@ -100,12 +102,75 @@ only supports the suffixes
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.IR .z " and ".gz
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for gzipped files and
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.I .bz2
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-for bzip2ed files.
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+for bzip2ed files. All supported formats can be found in
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+the following table:
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+.IP
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+.TS H
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+allbox;
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+c l l l l l
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+rb l l l l l.
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+ fread fwrite fseek suffix library
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+gzip yes yes yes .gz -lz
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+ bzip2 yes yes no .bz2 -lbz2
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+LZW yes no no .Z builtin
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+lzma yes no yes .lzma -llzmadec
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+.TE
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+.PP
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.PP
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On reading first the appropriate suffixes are checked
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if not provided. If no file is found the magic
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byte sequence at the beginning of the file is checked
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to detect a gzip or bzip2 file.
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+.PP
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+.\"
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+.SH CONFIGURATION
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+With the help of
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+.BR autoconf (1)
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+and a few lines in the common file
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+.B configure.in
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+found in many source packages a programmer or maintainer
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+can extend the automatic configuration to find the
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+appropriate libraries together with the libzio:
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+.PP
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+.IP
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+.nf
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+AC_CHECK_HEADER(zlib.h,[
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+ for lib in z gz; do
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+ AC_CHECK_LIB($lib, gzopen, [LIBS="$LIBS -l$lib"; break])
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+ done])
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+AC_CHECK_HEADER(bzlib.h,[
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+ for lib in bz2 bzip2; do
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+ AC_CHECK_LIB($lib, BZ2_bzopen, [LIBS="$LIBS -l$lib"; break])
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+ done])
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+AC_CHECK_HEADER(lzmadec.h,[
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+ AC_CHECK_LIB(lzmadec, lzmadec_read, [LIBS="$LIBS -l$lib"])
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+ ])
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+AC_CHECK_HEADER(zio.h,[
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+ AC_CHECK_LIB(zio, fzopen, [LIBS="$LIBS -lzio"
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+ AC_DEFINE(HAVE_ZIO)])
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+ ])
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+.fi
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+.PP
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+combined with two lines in the common file
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+.B config.h.in
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+like
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+.PP
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+.RS 1c
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+.nf
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+/* Define to 1 if you have libzio for opening compressed files */
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+#undef HAVE_ZIO
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+.fi
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+.RE
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+.PP
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+it is easy to use the
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+.BR cpp (1)
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+macro
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+.I HAVE_ZIO
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+for the usage of
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+.B fzopen
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+instead of
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+.BR fopen (3).
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+.PP
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.\"
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.SH RETURN VALUES
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Upon successful completion
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@@ -215,7 +280,7 @@ functions of the e.g.
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.\"
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.BR /usr/include/zio.h
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.SH SEE ALSO
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-.BR fopen (8),
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+.BR fopen (3),
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.br
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.BR gzip (1),
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.br
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@@ -229,7 +294,8 @@ functions of the e.g.
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.br
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.BR /usr/include/lzmadec.h .
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.PP
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-Further informations about Programming Custom Streams
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+Further informations about
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+.B Programming Custom Streams
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can be found by using the command
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.IP
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.B info libc 'Custom streams'
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@@ -243,5 +309,8 @@ does not exist (yet).
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.br
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2006 Werner Fink,
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2006 SuSE Products GmbH, Germany.
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+.br
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+2008 Werner Fink,
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+2008 SuSE Products GmbH, Germany.
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.SH AUTHOR
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Werner Fink <werner@suse.de>
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--- zio.c
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+++ zio.c 2008-09-24 17:50:42.634160726 +0200
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+++ zio.c 2008-09-24 17:50:43.000000000 +0200
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@@ -189,7 +189,7 @@ FILE * fzopen(const char * path, const c
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what = 'Z';
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else if (strcmp(path + len - 4, ".bz2" ) == 0)
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@ -1,3 +1,8 @@
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-------------------------------------------------------------------
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Thu Oct 16 14:39:11 CEST 2008 - werner@suse.de
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- Better documentation
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-------------------------------------------------------------------
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Wed Sep 24 17:51:53 CEST 2008 - werner@suse.de
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@ -30,7 +30,7 @@ License: GPL v2 or later
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Group: System/Libraries
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AutoReqProv: on
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Version: 0.9
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Release: 2
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Release: 3
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Summary: A Library for Accessing Compressed Text Files
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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Source: libzio-%{version}.tar.bz2
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@ -65,7 +65,7 @@ Authors:
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%prep
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%setup -q
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#%patch
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%patch
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%build
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make
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@ -107,6 +107,8 @@ make DESTDIR=$RPM_BUILD_ROOT install libdir=%{_libdir} mandir=%{_mandir}
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/usr/include/zio.h
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%changelog
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* Thu Oct 16 2008 werner@suse.de
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- Better documentation
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* Wed Sep 24 2008 werner@suse.de
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- Be able to detect -lzma suffix
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* Wed Sep 24 2008 werner@suse.de
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