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-rw-r--r--ztest.cc145
1 files changed, 143 insertions, 2 deletions
diff --git a/ztest.cc b/ztest.cc
index 79f32dd..c0147a6 100644
--- a/ztest.cc
+++ b/ztest.cc
@@ -15,7 +15,40 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-void show_ztest_help()
+#define _FILE_OFFSET_BITS 64
+
+#include <cerrno>
+#include <climits>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <list>
+#include <string>
+#include <vector>
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#if defined(__MSVCRT__) || defined(__OS2__)
+#include <io.h>
+#endif
+
+#include "arg_parser.h"
+#include "rc.h"
+#include "zutils.h"
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+
+namespace {
+
+#include "recursive.cc"
+
+void show_help()
{
std::printf( "Ztest verifies the integrity of the specified compressed files.\n"
"Uncompressed files are ignored. If no files are specified, the integrity\n"
@@ -44,6 +77,15 @@ void show_ztest_help()
}
+int open_instream( std::string & input_filename )
+ {
+ int infd = open( input_filename.c_str(), O_RDONLY | O_BINARY );
+ if( infd < 0 )
+ show_error2( "Can't open input file", input_filename.c_str() );
+ return infd;
+ }
+
+
int ztest_stdin( const int infd, int format_index,
const std::vector< const char * > & ztest_args )
{
@@ -65,7 +107,7 @@ int ztest_stdin( const int infd, int format_index,
!feed_data( infd, fda[1], magic_data, magic_size ) )
_exit( 1 );
if( close( fda[1] ) != 0 )
- { show_close_error( "data feeder" ); _exit( 1 ); }
+ { show_close_error(); _exit( 1 ); }
_exit( 0 );
}
if( pid < 0 ) // parent
@@ -145,3 +187,102 @@ int ztest_file( const int infd, int format_index,
const bool isgzxz = ( format_index == fmt_gz || format_index == fmt_xz );
return wait_for_child( pid, compressor_name, 1, isgzxz );
}
+
+} // end namespace
+
+
+int main( const int argc, const char * const argv[] )
+ {
+ enum { format_opt = 256, bz2_opt, gz_opt, lz_opt, xz_opt };
+ int infd = -1;
+ int format_index = -1;
+ bool recursive = false;
+ std::string input_filename;
+ std::list< std::string > filenames;
+ std::vector< const char * > ztest_args; // args to ztest, maybe empty
+ invocation_name = argv[0];
+ program_name = "ztest";
+
+ const Arg_parser::Option options[] =
+ {
+ { 'h', "help", Arg_parser::no },
+ { 'N', "no-rcfile", Arg_parser::no },
+ { 'q', "quiet", Arg_parser::no },
+ { 'r', "recursive", Arg_parser::no },
+ { 'v', "verbose", Arg_parser::no },
+ { 'V', "version", Arg_parser::no },
+ { format_opt, "format", Arg_parser::yes },
+ { bz2_opt, "bz2", Arg_parser::yes },
+ { gz_opt, "gz", Arg_parser::yes },
+ { lz_opt, "lz", Arg_parser::yes },
+ { xz_opt, "xz", Arg_parser::yes },
+ { 0 , 0, Arg_parser::no } };
+
+ const Arg_parser parser( argc, argv, options );
+ if( parser.error().size() ) // bad option
+ { show_error( parser.error().c_str(), 0, true ); return 1; }
+
+ maybe_process_config_file( parser );
+
+ int argind = 0;
+ for( ; argind < parser.arguments(); ++argind )
+ {
+ const int code = parser.code( argind );
+ if( !code ) break; // no more options
+ const char * const arg = parser.argument( argind ).c_str();
+ switch( code )
+ {
+ case 'h': show_help(); return 0;
+ case 'N': break;
+ case 'q': verbosity = -1; ztest_args.push_back( "-q" ); break;
+ case 'r': recursive = true; break;
+ case 'v': if( verbosity < 4 ) ++verbosity;
+ ztest_args.push_back( "-v" ); break;
+ case 'V': show_version( "Ztest" ); return 0;
+ case format_opt: format_index = parse_format_type( arg ); break;
+ case bz2_opt: parse_compressor( arg, fmt_bz2, 1 ); break;
+ case gz_opt: parse_compressor( arg, fmt_gz, 1 ); break;
+ case lz_opt: parse_compressor( arg, fmt_lz, 1 ); break;
+ case xz_opt: parse_compressor( arg, fmt_xz, 1 ); break;
+ default : internal_error( "uncaught option" );
+ }
+ } // end process options
+
+#if defined(__MSVCRT__) || defined(__OS2__)
+ setmode( STDIN_FILENO, O_BINARY );
+ setmode( STDOUT_FILENO, O_BINARY );
+#endif
+
+ for( ; argind < parser.arguments(); ++argind )
+ filenames.push_back( parser.argument( argind ) );
+
+ if( filenames.empty() ) filenames.push_back("-");
+
+ int retval = 0;
+ bool error = false;
+ while( next_filename( filenames, input_filename, error, recursive ) )
+ {
+ if( input_filename.empty() ) infd = STDIN_FILENO;
+ else
+ {
+ infd = open_instream( input_filename );
+ if( infd < 0 ) { error = true; continue; }
+ }
+
+ int tmp;
+ if( infd == STDIN_FILENO )
+ tmp = ztest_stdin( infd, format_index, ztest_args );
+ else tmp = ztest_file( infd, format_index, input_filename, ztest_args );
+ if( tmp > retval ) retval = tmp;
+
+ if( input_filename.size() ) { close( infd ); infd = -1; }
+ }
+
+ if( std::fclose( stdout ) != 0 )
+ {
+ show_error( "Can't close stdout", errno );
+ error = true;
+ }
+ if( error && retval == 0 ) retval = 1;
+ return retval;
+ }