25 lines
		
	
	
		
			480 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			480 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <sys/cdefs.h>
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| #include "namespace.h"
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| #include <lib.h>
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| 
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| #include <string.h>
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| #include <minix/u64.h>
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| #include <unistd.h>
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| 
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| #ifdef __weak_alias
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| __weak_alias(lseek, _lseek)
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| #endif
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| 
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| off_t
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| lseek(int fd, off_t offset, int whence)
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| {
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|   message m;
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| 
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|   memset(&m, 0, sizeof(m));
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|   m.m_lc_vfs_lseek.fd = fd;
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|   m.m_lc_vfs_lseek.offset = offset;
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|   m.m_lc_vfs_lseek.whence = whence;
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|   if (_syscall(VFS_PROC_NR, VFS_LSEEK, &m) < 0) return( (off_t) -1);
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|   return(m.m_vfs_lc_lseek.offset);
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| }
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