Annotation of embedaddon/php/ext/dba/dba_db1.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: Shen Cheng-Da <cdsheen@gmail.com> |
! 16: +----------------------------------------------------------------------+
! 17: */
! 18:
! 19: /* $Id: dba_db1.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_DB1
! 28: #include "php_db1.h"
! 29:
! 30: #ifdef DB1_INCLUDE_FILE
! 31: #include DB1_INCLUDE_FILE
! 32: #endif
! 33:
! 34: #include <sys/types.h>
! 35: #include <sys/stat.h>
! 36: #include <fcntl.h>
! 37:
! 38: #define DB1_DATA dba_db1_data *dba = info->dbf
! 39: #define DB1_GKEY DBT gkey; gkey.data = (char *) key; gkey.size = keylen
! 40:
! 41: typedef struct {
! 42: DB *dbp;
! 43: } dba_db1_data;
! 44:
! 45: DBA_OPEN_FUNC(db1)
! 46: {
! 47: dba_db1_data *dba;
! 48: DB *db;
! 49:
! 50: int gmode;
! 51: int filemode = 0644;
! 52:
! 53: if (info->argc > 0) {
! 54: convert_to_long_ex(info->argv[0]);
! 55: filemode = Z_LVAL_PP(info->argv[0]);
! 56: }
! 57:
! 58: gmode = 0;
! 59: switch (info->mode) {
! 60: case DBA_READER:
! 61: gmode = O_RDONLY;
! 62: break;
! 63: case DBA_WRITER:
! 64: gmode = O_RDWR;
! 65: break;
! 66: case DBA_CREAT:
! 67: gmode = O_RDWR | O_CREAT;
! 68: break;
! 69: case DBA_TRUNC:
! 70: gmode = O_RDWR | O_CREAT | O_TRUNC;
! 71: break;
! 72: default:
! 73: return FAILURE; /* not possible */
! 74: }
! 75:
! 76: db = dbopen((char *)info->path, gmode, filemode, DB_HASH, NULL);
! 77:
! 78: if (db == NULL) {
! 79: return FAILURE;
! 80: }
! 81:
! 82: dba = pemalloc(sizeof(*dba), info->flags&DBA_PERSISTENT);
! 83: dba->dbp = db;
! 84:
! 85: info->dbf = dba;
! 86:
! 87: return SUCCESS;
! 88: }
! 89:
! 90: DBA_CLOSE_FUNC(db1)
! 91: {
! 92: DB1_DATA;
! 93: dba->dbp->close(dba->dbp);
! 94: pefree(info->dbf, info->flags&DBA_PERSISTENT);
! 95: }
! 96:
! 97: DBA_FETCH_FUNC(db1)
! 98: {
! 99: DBT gval;
! 100: DB1_DATA;
! 101: DB1_GKEY;
! 102:
! 103: memset(&gval, 0, sizeof(gval));
! 104: if (dba->dbp->get(dba->dbp, &gkey, &gval, 0) == RET_SUCCESS) {
! 105: if (newlen) *newlen = gval.size;
! 106: return estrndup(gval.data, gval.size);
! 107: }
! 108: return NULL;
! 109: }
! 110:
! 111: DBA_UPDATE_FUNC(db1)
! 112: {
! 113: DBT gval;
! 114: DB1_DATA;
! 115: DB1_GKEY;
! 116:
! 117: gval.data = (char *) val;
! 118: gval.size = vallen;
! 119:
! 120: return dba->dbp->put(dba->dbp, &gkey, &gval, mode == 1 ? R_NOOVERWRITE : 0) != RET_SUCCESS ? FAILURE : SUCCESS;
! 121: }
! 122:
! 123: DBA_EXISTS_FUNC(db1)
! 124: {
! 125: DBT gval;
! 126: DB1_DATA;
! 127: DB1_GKEY;
! 128:
! 129: return dba->dbp->get(dba->dbp, &gkey, &gval, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
! 130: }
! 131:
! 132: DBA_DELETE_FUNC(db1)
! 133: {
! 134: DB1_DATA;
! 135: DB1_GKEY;
! 136:
! 137: return dba->dbp->del(dba->dbp, &gkey, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
! 138: }
! 139:
! 140: DBA_FIRSTKEY_FUNC(db1)
! 141: {
! 142: DBT gkey;
! 143: DBT gval;
! 144: DB1_DATA;
! 145:
! 146: memset(&gkey, 0, sizeof(gkey));
! 147: memset(&gval, 0, sizeof(gval));
! 148:
! 149: if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_FIRST) == RET_SUCCESS) {
! 150: if (newlen) *newlen = gkey.size;
! 151: return estrndup(gkey.data, gkey.size);
! 152: }
! 153: return NULL;
! 154: }
! 155:
! 156: DBA_NEXTKEY_FUNC(db1)
! 157: {
! 158: DBT gkey;
! 159: DBT gval;
! 160: DB1_DATA;
! 161:
! 162: memset(&gkey, 0, sizeof(gkey));
! 163: memset(&gval, 0, sizeof(gval));
! 164:
! 165: if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_NEXT) == RET_SUCCESS) {
! 166: if (newlen) *newlen = gkey.size;
! 167: return estrndup(gkey.data, gkey.size);
! 168: }
! 169: return NULL;
! 170: }
! 171:
! 172: DBA_OPTIMIZE_FUNC(db1)
! 173: {
! 174: /* dummy */
! 175: return SUCCESS;
! 176: }
! 177:
! 178: DBA_SYNC_FUNC(db1)
! 179: {
! 180: return SUCCESS;
! 181: }
! 182:
! 183: DBA_INFO_FUNC(db1)
! 184: {
! 185: return estrdup(DB1_VERSION);
! 186: }
! 187:
! 188: #endif
! 189:
! 190: /*
! 191: * Local variables:
! 192: * tab-width: 4
! 193: * c-basic-offset: 4
! 194: * End:
! 195: * vim600: sw=4 ts=4 fdm=marker
! 196: * vim<600: sw=4 ts=4
! 197: */
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