1 files changed, 64 insertions, 0 deletions
diff --git a/src/gdbmfetch.c b/src/gdbmfetch.c
new file mode 100644
index 0000000..3cd868e
--- /dev/null
+++ b/src/gdbmfetch.c
@@ -0,0 +1,64 @@
+/* gdbmfetch.c - Find a key and return the associated data.  */
+
+/* This file is part of GDBM, the GNU data base manager.
+   Copyright (C) 1990, 1991, 1993, 2007  Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Include system configuration before all else. */
+#include "autoconf.h"
+
+#include "gdbmdefs.h"
+#include "gdbmerrno.h"
+
+/* Look up a given KEY and return the information associated with that KEY.
+   The pointer in the structure that is  returned is a pointer to dynamically
+   allocated memory block.  */
+
+datum
+gdbm_fetch (gdbm_file_info *dbf, datum key)
+{
+  datum  return_val;		/* The return value. */
+  int    elem_loc;		/* The location in the bucket. */
+  char  *find_data;		/* Returned from find_key. */
+  int    hash_val;		/* Returned from find_key. */
+
+  /* Set the default return value. */
+  return_val.dptr  = NULL;
+  return_val.dsize = 0;
+
+  /* Initialize the gdbm_errno variable. */
+  gdbm_errno = GDBM_NO_ERROR;
+
+  /* Find the key and return a pointer to the data. */
+  elem_loc = _gdbm_findkey (dbf, key, &find_data, &hash_val);
+
+  /* Copy the data if the key was found.  */
+  if (elem_loc >= 0)
+    {
+      /* This is the item.  Return the associated data. */
+      return_val.dsize = dbf->bucket->h_table[elem_loc].data_size;
+      if (return_val.dsize == 0)
+	return_val.dptr = (char *) malloc (1);
+      else
+	return_val.dptr = (char *) malloc (return_val.dsize);
+      if (return_val.dptr == NULL) _gdbm_fatal (dbf, "malloc error");
+      memcpy (return_val.dptr, find_data, return_val.dsize);
+    }
+
+  /* Check for an error and return. */
+  if (return_val.dptr == NULL) gdbm_errno = GDBM_ITEM_NOT_FOUND;
+  return return_val;
+}