Merging upstream version 0.8.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 53 insertions, 0 deletions

diff --git a/zutils.h b/zutils.h
new file mode 100644
index 0000000..296f3ac
--- /dev/null
+++ b/zutils.h
@@ -0,0 +1,53 @@
+/*  Zutils - Utilities dealing with compressed files
+    Copyright (C) 2009, 2010 Antonio Diaz Diaz.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+const char * const Program_name = "Zutils";
+const char * const program_name = "zutils";
+const char * const program_year = "2010";
+extern const char * invocation_name;
+extern const char * util_name;
+
+extern int verbosity;
+
+const char * const simple_extensions[] = { ".gz", ".lz", ".bz2", ".xz", 0 };
+
+enum { bzip2_magic_size = 3 };
+enum {  gzip_magic_size = 2 };
+enum {  lzip_magic_size = 4 };
+enum {    xz_magic_size = 5 };
+const uint8_t bzip2_magic[bzip2_magic_size] = { 'B', 'Z', 'h' };
+const uint8_t  gzip_magic[ gzip_magic_size] = { '\x1F', '\x8B' };
+const uint8_t  lzip_magic[ lzip_magic_size] = { 'L', 'Z', 'I', 'P' };
+const uint8_t    xz_magic[   xz_magic_size] = { '\xFD', '7', 'z', 'X', 'Z' };
+
+
+int readblock( const int fd, uint8_t * const buf, const int size ) throw();
+int writeblock( const int fd, const uint8_t * const buf, const int size ) throw();
+bool feed_data( const int infd, const int outfd,
+                const uint8_t * magic_data, const int magic_size );
+bool set_data_feeder( int * const infdp, pid_t * const pidp );
+
+void show_help_addr() throw();
+void show_version( const char * const Util_name = 0 ) throw();
+void show_error( const char * const msg, const int errcode = 0,
+                 const bool help = false ) throw();
+void internal_error( const char * const msg );
+
+bool test_format( const int infd, std::string & file_type,
+                  const uint8_t ** magic_data, int * magic_sizep );
+
+int wait_for_child( const pid_t pid, const char * const name );