lfdbfree.c File Reference

#include <xinu.h>

Include dependency graph for lfdbfree.c:

Go to the source code of this file.

Functions
status	lfdbfree (did32 diskdev, dbid32 dnum)

Function Documentation

lfdbfree()

status lfdbfree	(	did32	diskdev,
		dbid32	dnum
	)

Definition at line 10 of file lfdbfree.c.

References LF_AREA_DIR, Lf_data, lfdata::lf_dir, lfdbfree::lf_nextdb, OK, and write().

Referenced by lftruncate().

{
    struct  lfdir   *dirptr;    /* Pointer to directory     */
    struct  lfdbfree buf;       /* Buffer to hold data block    */

    dirptr = &Lf_data.lf_dir;
    buf.lf_nextdb = dirptr->lfd_dfree;
    dirptr->lfd_dfree = dnum;
    write(diskdev, (char *)&buf,   dnum);
    write(diskdev, (char *)dirptr, LF_AREA_DIR);

    return OK;
}

Here is the call graph for this function:

Here is the caller graph for this function: