| d9898ee8 |
1 | /* |
| 2 | ** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for |
| 3 | ** distribution information. |
| 4 | */ |
| 5 | |
| 6 | #include <string.h> |
| 7 | #include <stdlib.h> |
| 8 | #include "bdbobj.h" |
| 9 | |
| 10 | char *bdbobj_firstkey(struct bdbobj *obj, size_t *keylen, char **val, |
| 11 | size_t *vallen) |
| 12 | { |
| 13 | DBT key, value; |
| 14 | |
| 15 | if (!obj->has_dbf) return (0); |
| 16 | |
| 17 | memset(&key, 0, sizeof(key)); |
| 18 | memset(&value, 0, sizeof(value)); |
| 19 | |
| 20 | #if DB_VERSION_MAJOR < 2 |
| 21 | if ((*obj->dbf->seq)(obj->dbf, &key, &value, R_FIRST)) return (0); |
| 22 | #else |
| 23 | if (obj->has_dbc) |
| 24 | { |
| 25 | (*obj->dbc->c_close)(obj->dbc); |
| 26 | obj->has_dbc=0; |
| 27 | } |
| 28 | |
| 29 | #if DB_VERSION_MAJOR > 2 |
| 30 | if ((*obj->dbf->cursor)(obj->dbf, 0, &obj->dbc, 0)) return (0); |
| 31 | #else |
| 32 | #if DB_VERSION_MINOR >= 5 |
| 33 | if ((*obj->dbf->cursor)(obj->dbf, 0, &obj->dbc, 0)) return (0); |
| 34 | #else |
| 35 | if ((*obj->dbf->cursor)(obj->dbf, 0, &obj->dbc)) return (0); |
| 36 | #endif |
| 37 | #endif |
| 38 | obj->has_dbc=1; |
| 39 | |
| 40 | if ((*obj->dbc->c_get)(obj->dbc, &key, &value, DB_FIRST)) return (0); |
| 41 | #endif |
| 42 | *keylen=key.size; |
| 43 | *vallen=value.size; |
| 44 | if ((*val=(char *)malloc(*vallen)) == 0) return (0); |
| 45 | |
| 46 | memcpy(*val, value.data, *vallen); |
| 47 | return ((char *)key.data); |
| 48 | } |
| 49 | |
| 50 | char *bdbobj_nextkey(struct bdbobj *obj, size_t *keylen, char **val, |
| 51 | size_t *vallen) |
| 52 | { |
| 53 | DBT key, value; |
| 54 | |
| 55 | if (!obj->has_dbf) return (0); |
| 56 | |
| 57 | memset(&key, 0, sizeof(key)); |
| 58 | memset(&value, 0, sizeof(value)); |
| 59 | |
| 60 | #if DB_VERSION_MAJOR < 2 |
| 61 | if ((*obj->dbf->seq)(obj->dbf, &key, &value, R_NEXT)) return (0); |
| 62 | #else |
| 63 | if (!obj->has_dbc) return (0); |
| 64 | |
| 65 | if ((*obj->dbc->c_get)(obj->dbc, &key, &value, DB_NEXT)) |
| 66 | { |
| 67 | (*obj->dbc->c_close)(obj->dbc); |
| 68 | obj->has_dbc=0; |
| 69 | } |
| 70 | #endif |
| 71 | |
| 72 | *keylen=key.size; |
| 73 | *vallen=value.size; |
| 74 | if ((*val=(char *)malloc(*vallen + 1)) == 0) return (0); |
| 75 | |
| 76 | memcpy(*val, value.data, *vallen); |
| 77 | (*val)[*vallen]=0; |
| 78 | |
| 79 | return ((char *)key.data); |
| 80 | } |
HCoop / hcoop / debian / courier-authlib.git / blame