From 4caff76ff707b2d82726ef94872c3597fd62a4ae Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 16:27:09 +0200
Subject: Adding upstream version 0.23.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 common.cc | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 common.cc

(limited to 'common.cc')

diff --git a/common.cc b/common.cc
new file mode 100644
index 0000000..444280d
--- /dev/null
+++ b/common.cc
@@ -0,0 +1,151 @@
+/* Tarlz - Archiver with multimember lzip compression
+   Copyright (C) 2013-2022 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 2 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/>.
+*/
+
+#define _FILE_OFFSET_BITS 64
+
+#include <cctype>
+#include <cerrno>
+#include <cstdlib>
+#include <pthread.h>
+#include <unistd.h>
+
+#include "tarlz.h"
+#include "arg_parser.h"
+
+
+void xinit_mutex( pthread_mutex_t * const mutex )
+  {
+  const int errcode = pthread_mutex_init( mutex, 0 );
+  if( errcode )
+    { show_error( "pthread_mutex_init", errcode ); exit_fail_mt(); }
+  }
+
+void xinit_cond( pthread_cond_t * const cond )
+  {
+  const int errcode = pthread_cond_init( cond, 0 );
+  if( errcode )
+    { show_error( "pthread_cond_init", errcode ); exit_fail_mt(); }
+  }
+
+
+void xdestroy_mutex( pthread_mutex_t * const mutex )
+  {
+  const int errcode = pthread_mutex_destroy( mutex );
+  if( errcode )
+    { show_error( "pthread_mutex_destroy", errcode ); exit_fail_mt(); }
+  }
+
+void xdestroy_cond( pthread_cond_t * const cond )
+  {
+  const int errcode = pthread_cond_destroy( cond );
+  if( errcode )
+    { show_error( "pthread_cond_destroy", errcode ); exit_fail_mt(); }
+  }
+
+
+void xlock( pthread_mutex_t * const mutex )
+  {
+  const int errcode = pthread_mutex_lock( mutex );
+  if( errcode )
+    { show_error( "pthread_mutex_lock", errcode ); exit_fail_mt(); }
+  }
+
+
+void xunlock( pthread_mutex_t * const mutex )
+  {
+  const int errcode = pthread_mutex_unlock( mutex );
+  if( errcode )
+    { show_error( "pthread_mutex_unlock", errcode ); exit_fail_mt(); }
+  }
+
+
+void xwait( pthread_cond_t * const cond, pthread_mutex_t * const mutex )
+  {
+  const int errcode = pthread_cond_wait( cond, mutex );
+  if( errcode )
+    { show_error( "pthread_cond_wait", errcode ); exit_fail_mt(); }
+  }
+
+
+void xsignal( pthread_cond_t * const cond )
+  {
+  const int errcode = pthread_cond_signal( cond );
+  if( errcode )
+    { show_error( "pthread_cond_signal", errcode ); exit_fail_mt(); }
+  }
+
+
+void xbroadcast( pthread_cond_t * const cond )
+  {
+  const int errcode = pthread_cond_broadcast( cond );
+  if( errcode )
+    { show_error( "pthread_cond_broadcast", errcode ); exit_fail_mt(); }
+  }
+
+
+unsigned long long parse_octal( const uint8_t * const ptr, const int size )
+  {
+  unsigned long long result = 0;
+  int i = 0;
+  while( i < size && std::isspace( ptr[i] ) ) ++i;
+  for( ; i < size && ptr[i] >= '0' && ptr[i] <= '7'; ++i )
+    { result <<= 3; result += ptr[i] - '0'; }
+  return result;
+  }
+
+
+/* Return the number of bytes really read.
+   If (value returned < size) and (errno == 0), means EOF was reached.
+*/
+int readblock( const int fd, uint8_t * const buf, const int size )
+  {
+  int sz = 0;
+  errno = 0;
+  while( sz < size )
+    {
+    const int n = read( fd, buf + sz, size - sz );
+    if( n > 0 ) sz += n;
+    else if( n == 0 ) break;				// EOF
+    else if( errno != EINTR ) break;
+    errno = 0;
+    }
+  return sz;
+  }
+
+
+/* Return the number of bytes really written.
+   If (value returned < size), it is always an error.
+*/
+int writeblock( const int fd, const uint8_t * const buf, const int size )
+  {
+  int sz = 0;
+  errno = 0;
+  while( sz < size )
+    {
+    const int n = write( fd, buf + sz, size - sz );
+    if( n > 0 ) sz += n;
+    else if( n < 0 && errno != EINTR ) break;
+    errno = 0;
+    }
+  return sz;
+  }
+
+
+bool nonempty_arg( const Arg_parser & parser, const int i )
+  {
+  return ( parser.code( i ) == 0 && !parser.argument( i ).empty() );
+  }
-- 
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