40 lines
		
	
	
	
		
			580 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
	
		
			580 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $Id$ */
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| #include <stdio.h>
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| 
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| FILE *fdopen(fd,mode)
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| char *mode;
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| {
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| 	register int i;
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| 	FILE *fp;
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| 	char *malloc();
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| 	int flags = 0;
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| 
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| 	if (fd < 0) return NULL;
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| 	for (i = 0; _io_table[i] != 0 ; i++) 
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| 		if ( i >= _NFILES )
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| 			return(NULL);
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| 
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| 	switch(*mode) {
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| 	case 'r':
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| 		flags |= IO_READMODE;
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| 		break;
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| 	case 'a':
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| 		lseek(fd, 0L, 2);
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| 	case 'w':
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| 		flags |= IO_WRITEMODE;
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| 		break;
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| 	default:
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| 		return NULL;
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| 	}
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| 
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| 	if (( fp = (FILE *) malloc (sizeof( FILE))) == NULL ) {
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| 		return(NULL);
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| 	}
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| 
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| 	fp->_count = 0;
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| 	fp->_fd = fd;
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| 	fp->_flags = flags;
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| 	fp->_buf = 0;
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| 	_io_table[i] = fp;
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| 	return(fp);
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| }
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