/*
* COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
/**
* @file
*
* @ingroup rtems-rfs
*
* Set of utility functions to support RTEMS RFS on RTEMS.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include "rtems-rfs-rtems.h"
/*
* The following sets the handlers based on the type of inode.
*/
bool
rtems_rfs_rtems_set_handlers (rtems_filesystem_location_info_t* loc,
rtems_rfs_inode_handle* inode)
{
uint16_t mode = rtems_rfs_inode_get_mode (inode);
loc->handlers = NULL;
if (RTEMS_RFS_S_ISDIR (mode))
loc->handlers = rtems_rfs_rtems_handlers (dir);
else if (RTEMS_RFS_S_ISCHR (mode) || RTEMS_RFS_S_ISBLK(mode))
loc->handlers = rtems_rfs_rtems_handlers (device);
else if (RTEMS_RFS_S_ISLNK (mode))
loc->handlers = rtems_rfs_rtems_handlers (link);
else if (RTEMS_RFS_S_ISREG (mode))
loc->handlers = rtems_rfs_rtems_handlers (file);
else
{
printf ("rtems-rfs: mode type unknown: %04x\n", mode);
return false;
}
return true;
}
uint16_t
rtems_rfs_rtems_imode (mode_t mode)
{
/*
* Mapping matches RTEMS so no need to change.
*/
return mode;
}
mode_t
rtems_rfs_rtems_mode (int imode)
{
/*
* Mapping matches RTEMS so no need to change.
*/
return imode;
}
/*
* Only provide if there is no macro version.
*/
#if !defined (rtems_rfs_rtems_error)
int
rtems_rfs_rtems_error (const char* mesg, int error)
{
if (error)
printf ("rtems-rfs: %s: %d: %s\n", mesg, error, strerror (error));
errno = error;
return error == 0 ? 0 : -1;
}
#endif
#if RTEMS_RFS_RTEMS_TRACE
static uint32_t rtems_rfs_rtems_trace_mask;
bool
rtems_rfs_rtems_trace (uint32_t mask)
{
bool result = false;
if (mask & rtems_rfs_rtems_trace_mask)
result = true;
return result;
}
void
rtems_rfs_trace_rtems_set_mask (uint32_t mask)
{
rtems_rfs_rtems_trace_mask |= mask;
}
void
rtems_rfs_trace_rtems_clear_mask (uint32_t mask)
{
rtems_rfs_rtems_trace_mask &= ~mask;
}
int
rtems_rfs_rtems_trace_shell_command (int argc, char *argv[])
{
const char* table[] =
{
"error-msgs",
"eval-path"
"eval-for-make",
"eval-perms",
"mknod",
"rmnod",
"link",
"unlink",
"chown",
"readlink",
"fchmod",
"stat",
"dir-rmnod",
"file-open",
"file-close",
"file-read",
"file-write",
"file-lseek",
"file-ftrunc"
};
bool set = true;
int arg;
int t;
for (arg = 1; arg < argc; arg++)
{
if (argv[arg][0] == '-')
{
switch (argv[arg][1])
{
case 'h':
printf ("usage: %s [-hl] [set/clear] [flags]\n", argv[0]);
return 0;
case 'l':
printf ("%s: valid flags to set or clear are:\n", argv[0]);
for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
printf (" %s\n", table[t]);
return 0;
default:
printf ("error: unknown option\n");
return 1;
}
}
else
{
uint32_t value = 0;
if (strcmp (argv[arg], "set") == 0)
set = true;
if (strcmp (argv[arg], "clear") == 0)
set = false;
else if (strcmp (argv[arg], "all") == 0)
value = RTEMS_RFS_RTEMS_DEBUG_ALL;
else
{
for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
{
if (strcmp (argv[arg], table[t]) == 0)
{
value = 1 << t;
break;
}
}
}
if (set)
rtems_rfs_rtems_trace_mask |= value;
else
rtems_rfs_rtems_trace_mask &= ~value;
}
}
return 0;
}
#endif
