dev_file_seek.c

Go to the documentation of this file.

/* file device */

#include "fb.h"

int fb_DevFileSeek( FB_FILE *handle, fb_off_t offset, int whence )
{
    int res;
    FILE *fp;

        FB_LOCK();

    fp = (FILE*) handle->opaque;

    if( fp == NULL ) {
                FB_UNLOCK();
                return fb_ErrorSetNum( FB_RTERROR_ILLEGALFUNCTIONCALL );
    }

        res = fb_ErrorSetNum( fseeko( fp, offset, whence ) == 0 ? FB_RTERROR_OK : FB_RTERROR_FILEIO );

        FB_UNLOCK();

        return res;
}