Annotation of embedaddon/php/ext/dba/dba_db2.c, revision 1.1
1.1 ! misho 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_db2.c 321634 2012-01-01 13:15:04Z felipe $ */
! 20:
! 21: #ifdef HAVE_CONFIG_H
! 22: #include "config.h"
! 23: #endif
! 24:
! 25: #include "php.h"
! 26:
! 27: #if DBA_DB2
! 28: #include "php_db2.h"
! 29: #include <sys/stat.h>
! 30:
! 31: #include <string.h>
! 32: #ifdef DB2_INCLUDE_FILE
! 33: #include DB2_INCLUDE_FILE
! 34: #endif
! 35:
! 36: #define DB2_DATA dba_db2_data *dba = info->dbf
! 37: #define DB2_GKEY \
! 38: DBT gkey = {0}; \
! 39: gkey.data = (char *) key; \
! 40: gkey.size = keylen
! 41:
! 42: typedef struct {
! 43: DB *dbp;
! 44: DBC *cursor;
! 45: } dba_db2_data;
! 46:
! 47: DBA_OPEN_FUNC(db2)
! 48: {
! 49: DB *dbp;
! 50: DBTYPE type;
! 51: int gmode = 0;
! 52: int filemode = 0644;
! 53: struct stat check_stat;
! 54: int s = VCWD_STAT(info->path, &check_stat);
! 55:
! 56: if (!s && !check_stat.st_size) {
! 57: info->mode = DBA_TRUNC; /* force truncate */
! 58: }
! 59:
! 60: type = info->mode == DBA_READER ? DB_UNKNOWN :
! 61: info->mode == DBA_TRUNC ? DB_BTREE :
! 62: s ? DB_BTREE : DB_UNKNOWN;
! 63:
! 64: gmode = info->mode == DBA_READER ? DB_RDONLY :
! 65: (info->mode == DBA_CREAT && s) ? DB_CREATE :
! 66: (info->mode == DBA_CREAT && !s) ? 0 :
! 67: info->mode == DBA_WRITER ? 0 :
! 68: info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1;
! 69:
! 70: if (gmode == -1) {
! 71: return FAILURE;/* not possible */
! 72: }
! 73:
! 74: if (info->argc > 0) {
! 75: convert_to_long_ex(info->argv[0]);
! 76: filemode = Z_LVAL_PP(info->argv[0]);
! 77: }
! 78:
! 79: if (db_open(info->path, type, gmode, filemode, NULL, NULL, &dbp)) {
! 80: return FAILURE;
! 81: }
! 82:
! 83: info->dbf = pemalloc(sizeof(dba_db2_data), info->flags&DBA_PERSISTENT);
! 84: memset(info->dbf, 0, sizeof(dba_db2_data));
! 85: ((dba_db2_data *) info->dbf)->dbp = dbp;
! 86: return SUCCESS;
! 87: }
! 88:
! 89: DBA_CLOSE_FUNC(db2)
! 90: {
! 91: DB2_DATA;
! 92:
! 93: if (dba->cursor)
! 94: dba->cursor->c_close(dba->cursor);
! 95: dba->dbp->close(dba->dbp, 0);
! 96: pefree(dba, info->flags&DBA_PERSISTENT);
! 97: }
! 98:
! 99: DBA_FETCH_FUNC(db2)
! 100: {
! 101: DBT gval = {0};
! 102: DB2_DATA;
! 103: DB2_GKEY;
! 104:
! 105: if (dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
! 106: return NULL;
! 107: }
! 108:
! 109: if (newlen) *newlen = gval.size;
! 110: return estrndup(gval.data, gval.size);
! 111: }
! 112:
! 113: DBA_UPDATE_FUNC(db2)
! 114: {
! 115: DBT gval = {0};
! 116: DB2_DATA;
! 117: DB2_GKEY;
! 118:
! 119: gval.data = (char *) val;
! 120: gval.size = vallen;
! 121:
! 122: if (dba->dbp->put(dba->dbp, NULL, &gkey, &gval,
! 123: mode == 1 ? DB_NOOVERWRITE : 0)) {
! 124: return FAILURE;
! 125: }
! 126: return SUCCESS;
! 127: }
! 128:
! 129: DBA_EXISTS_FUNC(db2)
! 130: {
! 131: DBT gval = {0};
! 132: DB2_DATA;
! 133: DB2_GKEY;
! 134:
! 135: if (dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
! 136: return FAILURE;
! 137: }
! 138: return SUCCESS;
! 139: }
! 140:
! 141: DBA_DELETE_FUNC(db2)
! 142: {
! 143: DB2_DATA;
! 144: DB2_GKEY;
! 145:
! 146: return dba->dbp->del(dba->dbp, NULL, &gkey, 0) ? FAILURE : SUCCESS;
! 147: }
! 148:
! 149: DBA_FIRSTKEY_FUNC(db2)
! 150: {
! 151: DB2_DATA;
! 152:
! 153: if (dba->cursor) {
! 154: dba->cursor->c_close(dba->cursor);
! 155: dba->cursor = NULL;
! 156: }
! 157:
! 158: #if (DB_VERSION_MAJOR > 2) || (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR > 6) || (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 6 && DB_VERSION_PATCH >= 4)
! 159: if (dba->dbp->cursor(dba->dbp, NULL, &dba->cursor, 0)) {
! 160: #else
! 161: if (dba->dbp->cursor(dba->dbp, NULL, &dba->cursor)) {
! 162: #endif
! 163: return NULL;
! 164: }
! 165:
! 166: /* we should introduce something like PARAM_PASSTHRU... */
! 167: return dba_nextkey_db2(info, newlen TSRMLS_CC);
! 168: }
! 169:
! 170: DBA_NEXTKEY_FUNC(db2)
! 171: {
! 172: DB2_DATA;
! 173: DBT gkey = {0}, gval = {0};
! 174:
! 175: if (dba->cursor->c_get(dba->cursor, &gkey, &gval, DB_NEXT)
! 176: || !gkey.data)
! 177: return NULL;
! 178:
! 179: if (newlen) *newlen = gkey.size;
! 180: return estrndup(gkey.data, gkey.size);
! 181: }
! 182:
! 183: DBA_OPTIMIZE_FUNC(db2)
! 184: {
! 185: return SUCCESS;
! 186: }
! 187:
! 188: DBA_SYNC_FUNC(db2)
! 189: {
! 190: DB2_DATA;
! 191:
! 192: return dba->dbp->sync(dba->dbp, 0) ? FAILURE : SUCCESS;
! 193: }
! 194:
! 195: DBA_INFO_FUNC(db2)
! 196: {
! 197: return estrdup(DB_VERSION_STRING);
! 198: }
! 199:
! 200: #endif
! 201:
! 202: /*
! 203: * Local variables:
! 204: * tab-width: 4
! 205: * c-basic-offset: 4
! 206: * End:
! 207: * vim600: sw=4 ts=4 fdm=marker
! 208: * vim<600: sw=4 ts=4
! 209: */
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