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    1: /*
    2:    +----------------------------------------------------------------------+
    3:    | PHP Version 5                                                        |
    4:    +----------------------------------------------------------------------+
    5:    | Copyright (c) 1997-2012 The PHP Group                                |
    6:    +----------------------------------------------------------------------+
    7:    | This source file is subject to version 3.01 of the PHP license,      |
    8:    | that is bundled with this package in the file LICENSE, and is        |
    9:    | available through the world-wide-web at the following url:           |
   10:    | http://www.php.net/license/3_01.txt                                  |
   11:    | If you did not receive a copy of the PHP license and are unable to   |
   12:    | obtain it through the world-wide-web, please send a note to          |
   13:    | license@php.net so we can mail you a copy immediately.               |
   14:    +----------------------------------------------------------------------+
   15:    | Author: Sascha Schumann <sascha@schumann.cx>                         |
   16:    +----------------------------------------------------------------------+
   17:  */
   18: 
   19: /* $Id: dba_ndbm.c,v 1.1.1.2 2012/05/29 12:34:37 misho Exp $ */
   20: 
   21: #ifdef HAVE_CONFIG_H
   22: #include "config.h"
   23: #endif
   24: 
   25: #include "php.h"
   26: 
   27: #if DBA_NDBM
   28: #include "php_ndbm.h"
   29: 
   30: #include <fcntl.h>
   31: #ifdef NDBM_INCLUDE_FILE
   32: #include NDBM_INCLUDE_FILE
   33: #endif
   34: 
   35: #define NDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
   36: 
   37: DBA_OPEN_FUNC(ndbm)
   38: {
   39: 	DBM *dbf;
   40: 	int gmode = 0;
   41: 	int filemode = 0644;
   42: 	dba_info *pinfo = (dba_info *) info;
   43: 
   44: 	switch(info->mode) {
   45: 		case DBA_READER:
   46: 			gmode = O_RDONLY;
   47: 			break;
   48: 		case DBA_WRITER:
   49: 			gmode = O_RDWR;
   50: 			break;
   51: 		case DBA_CREAT:
   52: 			gmode = O_RDWR | O_CREAT;
   53: 			break;
   54: 		case DBA_TRUNC:
   55: 			gmode = O_RDWR | O_CREAT | O_TRUNC;
   56: 			break;
   57: 		default:
   58: 			return FAILURE; /* not possible */
   59: 	}
   60: 
   61: 	if(info->argc > 0) {
   62: 		convert_to_long_ex(info->argv[0]);
   63: 		filemode = Z_LVAL_PP(info->argv[0]);
   64: 	}
   65: 
   66: 	dbf = dbm_open(info->path, gmode, filemode);
   67: 	
   68: 	pinfo->dbf = dbf;
   69: 	return SUCCESS;
   70: }
   71: 
   72: DBA_CLOSE_FUNC(ndbm)
   73: {
   74: 	dbm_close(info->dbf);
   75: }
   76: 
   77: DBA_FETCH_FUNC(ndbm)
   78: {
   79: 	datum gval;
   80: 	char *new = NULL;
   81: 
   82: 	NDBM_GKEY;
   83: 	gval = dbm_fetch(info->dbf, gkey);
   84: 	if(gval.dptr) {
   85: 		if(newlen) *newlen = gval.dsize;
   86: 		new = estrndup(gval.dptr, gval.dsize);
   87: 	}
   88: 	return new;
   89: }
   90: 
   91: DBA_UPDATE_FUNC(ndbm)
   92: {
   93: 	datum gval;
   94: 
   95: 	NDBM_GKEY;
   96: 	gval.dptr = (char *) val;
   97: 	gval.dsize = vallen;
   98: 
   99: 	if(!dbm_store(info->dbf, gkey, gval, mode == 1 ? DBM_INSERT : DBM_REPLACE))
  100: 		return SUCCESS;
  101: 	return FAILURE;
  102: }
  103: 
  104: DBA_EXISTS_FUNC(ndbm)
  105: {
  106: 	datum gval;
  107: 	NDBM_GKEY;
  108: 	gval = dbm_fetch(info->dbf, gkey);
  109: 	if(gval.dptr) {
  110: 		return SUCCESS;
  111: 	}
  112: 	return FAILURE;
  113: }
  114: 
  115: DBA_DELETE_FUNC(ndbm)
  116: {
  117: 	NDBM_GKEY;
  118: 	return(dbm_delete(info->dbf, gkey) == -1 ? FAILURE : SUCCESS);
  119: }
  120: 
  121: DBA_FIRSTKEY_FUNC(ndbm)
  122: {
  123: 	datum gkey;
  124: 	char *key = NULL;
  125: 
  126: 	gkey = dbm_firstkey(info->dbf);
  127: 	if(gkey.dptr) {
  128: 		if(newlen) *newlen = gkey.dsize;
  129: 		key = estrndup(gkey.dptr, gkey.dsize);
  130: 	}
  131: 	return key;
  132: }
  133: 
  134: DBA_NEXTKEY_FUNC(ndbm)
  135: {
  136: 	datum gkey;
  137: 	char *nkey = NULL;
  138: 
  139: 	gkey = dbm_nextkey(info->dbf);
  140: 	if(gkey.dptr) {
  141: 		if(newlen) *newlen = gkey.dsize;
  142: 		nkey = estrndup(gkey.dptr, gkey.dsize);
  143: 	}
  144: 	return nkey;
  145: }
  146: 
  147: DBA_OPTIMIZE_FUNC(ndbm)
  148: {
  149: 	return SUCCESS;
  150: }
  151: 
  152: DBA_SYNC_FUNC(ndbm)
  153: {
  154: 	return SUCCESS;
  155: }
  156: 
  157: DBA_INFO_FUNC(ndbm)
  158: {
  159: 	return estrdup("NDBM");
  160: }
  161: 
  162: #endif
  163: 
  164: /*
  165:  * Local variables:
  166:  * tab-width: 4
  167:  * c-basic-offset: 4
  168:  * End:
  169:  * vim600: sw=4 ts=4 fdm=marker
  170:  * vim<600: sw=4 ts=4
  171:  */