Imported Upstream version 0.66.1

[hcoop/debian/courier-authlib.git] / libs / bdbobj / bdbobj2.c

diff --git a/libs/bdbobj/bdbobj2.c b/libs/bdbobj/bdbobj2.c
new file mode 100644 (file)
index 0000000..d4311b7
--- /dev/null
+++ b/libs/bdbobj/bdbobj2.c
@@ -0,0 +1,81 @@
+/*
+** Copyright 1998 - 1999 Double Precision, Inc.  See COPYING for
+** distribution information.
+*/
+
+#include       "config.h"
+#include       <string.h>
+#include       <stdlib.h>
+#include       "bdbobj.h"
+
+char   *bdbobj_firstkey(struct bdbobj *obj, size_t *keylen, char **val,
+       size_t *vallen)
+{
+DBT    key, value;
+
+       if (!obj->has_dbf)      return (0);
+
+       memset(&key, 0, sizeof(key));
+       memset(&value, 0, sizeof(value));
+
+#if    DB_VERSION_MAJOR < 2
+       if ((*obj->dbf->seq)(obj->dbf, &key, &value, R_FIRST))  return (0);
+#else
+       if (obj->has_dbc)
+       {
+               (*obj->dbc->c_close)(obj->dbc);
+               obj->has_dbc=0;
+       }
+
+#if DB_VERSION_MAJOR > 2
+       if ((*obj->dbf->cursor)(obj->dbf, 0, &obj->dbc, 0))     return (0);
+#else
+#if DB_VERSION_MINOR >= 5
+       if ((*obj->dbf->cursor)(obj->dbf, 0, &obj->dbc, 0))     return (0);
+#else
+       if ((*obj->dbf->cursor)(obj->dbf, 0, &obj->dbc))        return (0);
+#endif
+#endif
+       obj->has_dbc=1;
+
+       if ((*obj->dbc->c_get)(obj->dbc, &key, &value, DB_FIRST)) return (0);
+#endif
+       *keylen=key.size;
+       *vallen=value.size;
+       if ((*val=(char *)malloc(*vallen)) == 0)        return (0);
+
+       memcpy(*val, value.data, *vallen);
+       return ((char *)key.data);
+}
+
+char   *bdbobj_nextkey(struct bdbobj *obj, size_t *keylen, char **val,
+       size_t *vallen)
+{
+DBT    key, value;
+
+       if (!obj->has_dbf)      return (0);
+
+       memset(&key, 0, sizeof(key));
+       memset(&value, 0, sizeof(value));
+
+#if    DB_VERSION_MAJOR < 2
+       if ((*obj->dbf->seq)(obj->dbf, &key, &value, R_NEXT))   return (0);
+#else
+       if (!obj->has_dbc)      return (0);
+
+       if ((*obj->dbc->c_get)(obj->dbc, &key, &value, DB_NEXT))
+       {
+               (*obj->dbc->c_close)(obj->dbc);
+               obj->has_dbc=0;
+       }
+#endif
+
+       *keylen=key.size;
+       *vallen=value.size;
+       if ((*val=(char *)malloc(*vallen + 1)) == 0)    return (0);
+
+       memcpy(*val, value.data, *vallen);
+       (*val)[*vallen]=0;
+
+       return ((char *)key.data);
+}