156 lines
3 KiB
C
156 lines
3 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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/*
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This program reads NT SETUP INF files and removes:
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o blank lines
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o lines whose first non-white-space character is ';'
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o all data after and including a non-quoted ';'
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character in a line
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Command line:
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stripinf <input INF name> <output INF name>
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*/
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#define MAX_CHARACTERS_PER_LINE 1000
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#if !defined(TRUE)
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#define TRUE 1
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#define FALSE 0
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#endif
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typedef int bool ;
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void die ( char * pszMsg )
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{
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fprintf( stderr, "STRIPINF error: %s", pszMsg ) ;
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exit(3);
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}
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int processInf ( FILE * fIn, FILE * fOut )
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{
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char chLine [ MAX_CHARACTERS_PER_LINE ] ;
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char * pch,
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* pchComment ;
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bool bKeep,
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bQuote,
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bStop ;
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for ( ; (! feof(fIn)) && (pch = fgets( chLine, sizeof chLine, fIn )) ; )
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{
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bStop = bQuote = bKeep = FALSE ;
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pchComment = NULL ;
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for ( ; *pch && (! bStop) ; pch++ )
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{
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switch ( *pch )
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{
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case '\n':
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bStop = TRUE ;
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break ;
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case '\0':
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die( "input line longer than 1000 characters" ) ;
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break ;
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case '\"':
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bQuote = ! bQuote ;
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bKeep = TRUE ;
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break ;
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case ' ':
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case '\t':
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break ;
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case ';':
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if ( bQuote )
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break ;
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if ( bKeep )
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{
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*pch++ = '\n' ;
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*pch = '\0' ;
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}
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bStop = TRUE ;
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break ;
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case 0x1a: /* control-Z */
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*pch = '\0';
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break;
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default:
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bKeep = TRUE ;
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break ;
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}
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}
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if ( bKeep )
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{
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if ( fputs( chLine, fOut ) == EOF )
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die("failure writing output file") ;
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}
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}
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return TRUE ;
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}
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int
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__cdecl
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main ( int argc, char * argv[], char * envp[] )
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{
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int i ;
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char * pchIn = NULL,
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* pchOut = NULL,
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chOpt ;
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FILE * fIn, * fOut ;
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for ( i = 1 ; argv[i] ; i++ )
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{
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switch ( chOpt = argv[i][0] )
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{
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case '-':
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case '/':
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die( "invalid option" ) ;
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break;
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default:
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if ( pchIn == NULL )
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pchIn = argv[i] ;
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else
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if ( pchOut == NULL )
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pchOut = argv[i] ;
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else
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die( "too many file specifications" ) ;
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break;
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}
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}
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if ( pchIn == NULL || pchOut == NULL )
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die( "too few file specifications" ) ;
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fIn = fopen( pchIn, "r" ) ;
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if ( ! fIn )
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die( "input file failed to open" ) ;
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fOut = fopen( pchOut, "w" );
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if ( ! fOut )
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die( "output file failed to open" );
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if ( ! processInf( fIn, fOut ) )
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die( "internal failure in processing" );
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fclose( fOut ) ;
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fclose( fIn ) ;
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return 0 ;
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}
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// End of STRIPINF.C
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