blob.h File Reference

Openable data blobs. More...

#include <stdint.h>
#include <ipxe/interface.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
	FILE_SECBOOT (PERMITTED)
int	blob_open (struct interface *xfer, const void *data, size_t len)
	Open data blob.

Detailed Description

Openable data blobs.

Definition in file blob.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

FILE_SECBOOT()

FILE_SECBOOT

(

PERMITTED

)

References data, and len.

blob_open()

int blob_open ( struct interface * xfer, const void * data, size_t len )

extern

Open data blob.

Parameters

xfer	Data transfer interface
data	Data
len	Length of data

Return values

rc	Return status code

Definition at line 110 of file blob.c.

                                                                       {
        struct blob *blob;
        void *copy;
 
        /* Allocate and initialise structure */
        blob = zalloc ( sizeof ( *blob ) + len );
        if ( ! blob )
                return -ENOMEM;
        ref_init ( &blob->refcnt, NULL );
        intf_init ( &blob->xfer, &blob_xfer_desc, &blob->refcnt );
        process_init ( &blob->process, &blob_process_desc, &blob->refcnt );
        copy = ( ( ( void * ) blob ) + sizeof ( *blob ) );
        blob->data = copy;
        blob->len = len;
        memcpy ( copy, data, len );
 
        /* Attach parent interface, mortalise self, and return */
        intf_plug_plug ( &blob->xfer, xfer );
        ref_put ( &blob->refcnt );
        return 0;
}

References blob_process_desc, blob_xfer_desc, blob::data, data, ENOMEM, intf_init(), intf_plug_plug(), blob::len, len, memcpy(), NULL, blob::process, process_init(), ref_init, ref_put, blob::refcnt, blob::xfer, and zalloc().

Referenced by datauri_open().