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* fhandler_proc.cc: Add /proc/filesystems virtual file.

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(format_proc_filesystems): New function.
	* mount.cc (fs_names): Move to global scope. Redefine as array
	of { "name", block_device? } structs.
	(fillout_mntent): Use name member of fs_names.
	* mount.h (fs_names): New prototype.
This commit is contained in:
Corinna Vinschen
2010-08-09 08:18:30 +00:00
parent 99006a85e2
commit a52993d426
4 changed files with 55 additions and 20 deletions
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23
winsup/cygwin/fhandler_proc.cc
View File

@ -1,6 +1,6 @@
/* fhandler_proc.cc: fhandler for /proc virtual filesystem
Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2009 Red Hat, Inc.
Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 Red Hat, Inc.
This file is part of Cygwin.
@ -28,6 +28,7 @@ details. */
#include <winioctl.h>
#include <wchar.h>
#include "cpuid.h"
#include "mount.h"
#define _COMPILING_NEWLIB
#include <dirent.h>
@ -41,6 +42,7 @@ static _off64_t format_proc_cpuinfo (void *, char *&);
static _off64_t format_proc_partitions (void *, char *&);
static _off64_t format_proc_self (void *, char *&);
static _off64_t format_proc_mounts (void *, char *&);
static _off64_t format_proc_filesystems (void *, char *&);
/* names of objects in /proc */
static const virt_tab_t proc_tab[] = {
@ -59,6 +61,7 @@ static const virt_tab_t proc_tab[] = {
{ "registry32", FH_REGISTRY, virt_directory, NULL },
{ "registry64", FH_REGISTRY, virt_directory, NULL },
{ "net", FH_PROCNET, virt_directory, NULL },
{ "filesystems", FH_PROC, virt_file, format_proc_filesystems },
{ NULL, 0, virt_none, NULL }
};
@ -1220,4 +1223,22 @@ format_proc_mounts (void *, char *&destbuf)
return __small_sprintf (destbuf, "self/mounts");
}
static _off64_t
format_proc_filesystems (void *, char *&destbuf)
{
tmp_pathbuf tp;
char *buf = tp.c_get ();
char *bufptr = buf;
/* start at 1 to skip type "none" */
for (int i = 1; fs_names[i].name; i++)
bufptr += __small_sprintf(bufptr, "%s\t%s\n",
fs_names[i].block_device ? "" : "nodev",
fs_names[i].name);
destbuf = (char *) crealloc_abort (destbuf, bufptr - buf);
memcpy (destbuf, buf, bufptr - buf);
return bufptr - buf;
}
#undef print