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RTEMS 4.7.99.2 On-Line Library


memfile_lseek() for Regular Files

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6.4.2.6: memfile_lseek() for Regular Files

Corresponding Structure Element:

Memfile_lseek()

Arguments:

rtems_libio_t     *iop,
off_t              offset,
int                whence

File:

memfile.c

Description:

This routine make sure that the memory based file is sufficiently large to allow for the new file position index.

The IMFS_memfile_extend() function is used to evaluate the current size of the memory file and allocate additional memory blocks if required by the new file position index. A success code is always returned from this routine.


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