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gecko-dev/modules/libreg/include/NSReg.h

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Daniel Veditz <dveditz@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* NSReg.h
*/
#ifndef _NSREG_H_
#define _NSREG_H_
typedef void (*nr_RegPackCallbackFunc) (void *userData, int32 bytes, int32 totalBytes);
typedef int32 REGERR;
typedef int32 RKEY;
typedef uint32 REGENUM;
typedef void * HREG;
typedef struct _reginfo
{
uint16 size; /* must be initialized to sizeof(REGINFO) */
uint16 entryType;
uint32 entryLength;
} REGINFO;
#define REGERR_OK (0)
#define REGERR_FAIL (1)
#define REGERR_NOMORE (2)
#define REGERR_NOFIND (3)
#define REGERR_BADREAD (4)
#define REGERR_BADLOCN (5)
#define REGERR_PARAM (6)
#define REGERR_BADMAGIC (7)
#define REGERR_BADCHECK (8)
#define REGERR_NOFILE (9)
#define REGERR_MEMORY (10)
#define REGERR_BUFTOOSMALL (11)
#define REGERR_NAMETOOLONG (12)
#define REGERR_REGVERSION (13)
#define REGERR_DELETED (14)
#define REGERR_BADTYPE (15)
#define REGERR_NOPATH (16)
#define REGERR_BADNAME (17)
#define REGERR_READONLY (18)
#define REGERR_BADUTF8 (19)
/* Total path length */
#define MAXREGPATHLEN (2048)
/* Name on the path (including null terminator) */
#define MAXREGNAMELEN (512)
/* Value of an entry */
#define MAXREGVALUELEN (0x7FFF)
/* Standard keys */
#define ROOTKEY_USERS (0x01)
#define ROOTKEY_COMMON (0x02)
#define ROOTKEY_CURRENT_USER (0x03)
#define ROOTKEY_PRIVATE (0x04)
/* enumeration styles */
#define REGENUM_NORMAL (0x00)
#define REGENUM_CHILDREN REGENUM_NORMAL
#define REGENUM_DESCEND (0x01)
#define REGENUM_DEPTH_FIRST (0x02)
/* entry data types */
#define REGTYPE_ENTRY (0x0010)
#define REGTYPE_ENTRY_STRING_UTF (REGTYPE_ENTRY + 1)
#define REGTYPE_ENTRY_INT32_ARRAY (REGTYPE_ENTRY + 2)
#define REGTYPE_ENTRY_BYTES (REGTYPE_ENTRY + 3)
#define REGTYPE_ENTRY_FILE (REGTYPE_ENTRY + 4)
#define REG_DELETE_LIST_KEY "Mozilla/XPInstall/Delete List"
#define REG_REPLACE_LIST_KEY "Mozilla/XPInstall/Replace List"
#define REG_UNINSTALL_DIR "Mozilla/XPInstall/Uninstall/"
#define REG_REPLACE_SRCFILE "ReplacementFile"
#define REG_REPLACE_DESTFILE "DestinationFile"
#define UNINSTALL_NAV_STR "_"
#define UNIX_GLOBAL_FLAG "MOZILLA_SHARED_REGISTRY"
/* libreg functions are not DLLexported and may have hidden visibility */
#define VR_INTERFACE(type) type
PR_BEGIN_EXTERN_C
/* ---------------------------------------------------------------------
* Registry API -- General
* ---------------------------------------------------------------------
*/
/* ---------------------------------------------------------------------
* NR_RegSetBufferSize - Sets the file buffer size
*
* Parameters:
* hReg - handle to opened registry
* bufsize - size of the new buffer
*
* Output:
* ---------------------------------------------------------------------
* returns the size of the buffer or -1 for err
*/
VR_INTERFACE(int) NR_RegSetBufferSize(
HREG hReg, /* handle to opened registry */
int bufsize
);
/* ---------------------------------------------------------------------
* NR_RegOpen - Open a netscape XP registry
*
* Parameters:
* filename - registry file to open. NULL or "" opens the standard
* local registry.
* hReg - OUT: handle to opened registry
*
* Output:
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegOpen(
const char *filename, /* reg. file to open (NULL == standard registry) */
HREG *hReg /* OUT: handle to opened registry */
);
/* ---------------------------------------------------------------------
* NR_RegClose - Close a netscape XP registry
*
* Parameters:
* hReg - handle of open registry to be closed.
*
* After calling this routine the handle is no longer valid
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegClose(
HREG hReg /* handle of open registry to close */
);
/* ---------------------------------------------------------------------
* NR_RegFlush - Manually flush data in a netscape XP registry
*
* Parameters:
* hReg - handle of open registry to be flushed.
*
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegFlush(
HREG hReg /* handle of open registry to flush */
);
/* ---------------------------------------------------------------------
* NR_RegIsWritable - Check read/write status of open registry
*
* Parameters:
* hReg - handle of open registry to query
* Returns:
* REGERR_OK if writable, REGERR_READONLY if not, possibly
* other errors for an invalid hReg
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegIsWritable(
HREG hReg /* handle of open registry to query */
);
VR_INTERFACE(REGERR) NR_RegPack(
HREG hReg, /* handle of open registry to pack */
void *userData,
nr_RegPackCallbackFunc fn
);
/* ---------------------------------------------------------------------
* NR_RegSetUsername - Set the current username
*
* If the current user profile name is not set then trying to use
* HKEY_CURRENT_USER will result in an error.
*
* Parameters:
* name - name of the current user
*
* Output:
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegSetUsername(
const char *name /* name of current user */
);
/* ---------------------------------------------------------------------
* NR_RegGetUniqueName
*
* Returns a unique name that can be used for anonymous key/value names
*
* Parameters:
* hReg - handle of open registry
* outbuf - where to put the string
* buflen - how big the buffer is
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetUniqueName(
HREG hReg, /* handle of open registry */
char* outbuf, /* buffer to hold key name */
uint32 buflen /* size of buffer */
);
/* ---------------------------------------------------------------------
* DO NOT USE -- Will be removed
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetUsername(
char **name /* on return, an alloc'ed copy of the current user name */
);
/* ---------------------------------------------------------------------
* Registry API -- Key Management functions
* ---------------------------------------------------------------------
*/
/* ---------------------------------------------------------------------
* NR_RegAddKey - Add a key node to the registry
*
* Can also be used to find an existing node for convenience.
*
* Parameters:
* hReg - handle of open registry
* key - registry key obtained from NR_RegGetKey(),
* or one of the standard top-level keys
* path - relative path of key to be added. Intermediate
* nodes will be added if necessary.
* newkey - If not null returns RKEY of new or found node
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegAddKey(
HREG hReg, /* handle of open registry */
RKEY key, /* root key */
char *path, /* relative path of subkey to add */
RKEY *newKey /* if not null returns newly created key */
);
/* ---------------------------------------------------------------------
* NR_RegAddKeyRaw - Add a key node to the registry
*
* This routine is different from NR_RegAddKey() in that it takes
* a keyname rather than a path.
*
* Parameters:
* hReg - handle of open registry
* key - registry key obtained from NR_RegGetKey(),
* or one of the standard top-level keys
* keyname - name of key to be added. No parsing of this
* name happens.
* newkey - if not null the RKEY of the new key is returned
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegAddKeyRaw(
HREG hReg, /* handle of open registry */
RKEY key, /* root key */
char *keyname, /* name of key to add */
RKEY *newKey /* if not null returns newly created key */
);
/* ---------------------------------------------------------------------
* NR_RegDeleteKey - Delete the specified key
*
* Note that delete simply orphans blocks and makes no attempt
* to reclaim space in the file. Use NR_RegPack()
*
* Cannot be used to delete keys with child keys
*
* Parameters:
* hReg - handle of open registry
* key - starting node RKEY, typically one of the standard ones.
* path - relative path of key to delete
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegDeleteKey(
HREG hReg, /* handle of open registry */
RKEY key, /* root key */
char *path /* relative path of subkey to delete */
);
/* ---------------------------------------------------------------------
* NR_RegDeleteKeyRaw - Delete the specified raw key
*
* Note that delete simply orphans blocks and makes no attempt
* to reclaim space in the file. Use NR_RegPack()
*
* Parameters:
* hReg - handle of open registry
* key - RKEY or parent to the raw key you wish to delete
* keyname - name of child key to delete
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegDeleteKeyRaw(
HREG hReg, /* handle of open registry */
RKEY key, /* root key */
char *keyname /* name subkey to delete */
);
/* ---------------------------------------------------------------------
* NR_RegGetKey - Get the RKEY value of a node from its path
*
* Parameters:
* hReg - handle of open registry
* key - starting node RKEY, typically one of the standard ones.
* path - relative path of key to find. (a blank path just gives you
* the starting key--useful for verification, VersionRegistry)
* result - if successful the RKEY of the specified sub-key
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetKey(
HREG hReg, /* handle of open registry */
RKEY key, /* root key */
const char *path, /* relative path of subkey to find */
RKEY *result /* returns RKEY of specified sub-key */
);
/* ---------------------------------------------------------------------
* NR_RegGetKeyRaw - Get the RKEY value of a node from its keyname
*
* Parameters:
* hReg - handle of open registry
* key - starting node RKEY, typically one of the standard ones.
* keyname - keyname of key to find. (a blank keyname just gives you
* the starting key--useful for verification, VersionRegistry)
* result - if successful the RKEY of the specified sub-key
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetKeyRaw(
HREG hReg, /* handle of open registry */
RKEY key, /* root key */
char *keyname, /* name of key to get */
RKEY *result /* returns RKEY of specified sub-key */
);
/* ---------------------------------------------------------------------
* NR_RegEnumSubkeys - Enumerate the subkey names for the specified key
*
* Returns REGERR_NOMORE at end of enumeration.
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key to enumerate--obtain with NR_RegGetKey()
* eState - enumerations state, must contain NULL to start
* buffer - location to store subkey names. Once an enumeration
* is started user must not modify contents since values
* are built using the previous contents.
* bufsize - size of buffer for names
* style - 0 returns direct child keys only, REGENUM_DESCEND
* returns entire sub-tree
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegEnumSubkeys(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
REGENUM *state, /* enum state, must be NULL to start */
char *buffer, /* buffer for entry names */
uint32 bufsize, /* size of buffer */
uint32 style /* 0: children only; REGENUM_DESCEND: sub-tree */
);
/* ---------------------------------------------------------------------
* Registry API -- Entry Management functions
* ---------------------------------------------------------------------
*/
/* ---------------------------------------------------------------------
* NR_RegGetEntryInfo - Get some basic info about the entry data
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* name - name of entry
* info - return: Entry info object
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetEntryInfo(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
char *name, /* entry name */
REGINFO *info /* returned entry info */
);
/* ---------------------------------------------------------------------
* NR_RegGetEntryString - Get the UTF string value associated with the
* named entry of the specified key.
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* name - name of entry
* buffer - destination for string
* bufsize - size of buffer
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetEntryString(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
char *name, /* entry name */
char *buffer, /* buffer to hold value (UTF String) */
uint32 bufsize /* length of buffer */
);
/* ---------------------------------------------------------------------
* NR_RegGetEntry - Get the value data associated with the
* named entry of the specified key.
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* name - name of entry
* buffer - destination for data
* size - in: size of buffer
* out: size of actual data (incl. \0 term. for strings)
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegGetEntry(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
char *name, /* entry name */
void *buffer, /* buffer to hold value */
uint32 *size /* in:length of buffer */
); /* out: data length, >>includes<< null terminator*/
/* ---------------------------------------------------------------------
* NR_RegSetEntryString - Store a UTF-8 string value associated with the
* named entry of the specified key. Used for
* both creation and update.
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* name - name of entry
* buffer - UTF-8 String to store
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegSetEntryString(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
char *name, /* entry name */
char *buffer /* UTF String value */
);
/* ---------------------------------------------------------------------
* NR_RegSetEntry - Store value data associated with the named entry
* of the specified key. Used for both creation and update.
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* name - name of entry
* type - type of data to be stored
* buffer - data to store
* size - length of data to store in bytes
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegSetEntry(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
char *name, /* entry name */
uint16 type, /* type of value data */
void *buffer, /* data buffer */
uint32 size /* data length in bytes; incl. null term for strings */
);
/* ---------------------------------------------------------------------
* NR_RegDeleteEntry - Delete the named entry
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* name - name of entry
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegDeleteEntry(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
char *name /* value name */
);
/* ---------------------------------------------------------------------
* NR_RegEnumEntries - Enumerate the entry names for the specified key
*
* Returns REGERR_NOMORE at end of enumeration.
*
* Parameters:
* hReg - handle of open registry
* key - RKEY of key that contains entry--obtain with NR_RegGetKey()
* eState - enumerations state, must contain NULL to start
* buffer - location to store entry names
* bufsize - size of buffer for names
* ---------------------------------------------------------------------
*/
VR_INTERFACE(REGERR) NR_RegEnumEntries(
HREG hReg, /* handle of open registry */
RKEY key, /* containing key */
REGENUM *state, /* enum state, must be NULL to start */
char *buffer, /* buffer for entry names */
uint32 bufsize, /* size of buffer */
REGINFO *info /* optional; returns info about entry */
);
VR_INTERFACE(void) NR_ShutdownRegistry(void);
VR_INTERFACE(REGERR) NR_StartupRegistry(void);
PR_END_EXTERN_C
#endif /* _NSREG_H_ */
/* EOF: NSReg.h */
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