51 lines
		
	
	
	
		
			673 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
	
		
			673 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $Source$
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|  * $State$
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|  * $Revision$
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|  */
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| 
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| #include <stdlib.h>
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| #include <errno.h>
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| #include <unistd.h>
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| #include <cpm.h>
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| 
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| void _sys_write_tty(char c)
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| {
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| 	cpm_bc_register = CPM_BDOS_CONSOLE_OUTPUT;
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| 	cpm_de_register = c;
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| 	cpm_bdos();
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| 
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| 	if (c == '\n')
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| 	{
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| 		cpm_bc_register = CPM_BDOS_CONSOLE_OUTPUT;
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| 		cpm_de_register = '\r';
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| 		cpm_bdos();
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| 	}
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| }
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| 
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| ssize_t write(int fd, void* buffer, size_t count)
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| {
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| 	int i;
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| 	char* p = buffer;
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| 	
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| 	/* We're only allowed to write to fd 0, 1 or 2. */
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| 	
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| 	if ((fd < 0) || (fd > 2))
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| 	{
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| 		errno = EBADF;
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| 		return -1;
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| 	}
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| 	
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| 	/* Write all data. */
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| 	
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| 	i = 0;
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| 	while (i < count)
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| 	{
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| 		_sys_write_tty(*p++);
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| 			
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| 		i++;
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| 	}
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| 	
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| 	/* No failures. */
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| 	
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| 	return count;
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| }
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