45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* $Source$
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* $State$
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* $Revision$
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*/
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#include <errno.h>
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static const signed char err_map[] =
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{
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0, /* 0x00 no error */
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EINVAL, /* 0x01 function number invalid */
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ENOENT, /* 0x02 file not found */
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ENOENT, /* 0x03 path not found */
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EMFILE, /* 0x04 too many open files */
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EACCES, /* 0x05 access denied */
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EBADF, /* 0x06 invalid handle */
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EFAULT, /* 0x07 mem. control block destroyed */
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ENOMEM, /* 0x08 insufficient memory */
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EFAULT, /* 0x09 memory block address invalid */
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E2BIG, /* 0x0A environment invalid */
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ENOEXEC, /* 0x0B format invalid */
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EINVAL, /* 0x0C access code invalid */
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EINVAL, /* 0x0D data invalid */
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ENOEXEC, /* 0x0E (?) fixup overflow */
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ENODEV, /* 0x0F invalid drive */
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EBUSY, /* 0x10 attempt to remove curr. dir. */
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EXDEV, /* 0x11 not same device */
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ENOENT, /* 0x12 no more files */
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EIO, /* 0x13 disk write-protected */
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EIO, /* 0x14 unknown unit */
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ENXIO, /* 0x15 drive not ready */
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};
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/*
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* Map an MS-DOS 2+ system error code to an `errno' value and store that in
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* `errno'. Return a longword -1.
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*/
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long _sys_seterrno(unsigned dos_err)
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{
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if (dos_err < sizeof(err_map) / sizeof(err_map[0]))
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errno = err_map[dos_err];
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else
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errno = EIO;
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return -1;
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}
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