Change license from GPLv2+ to GPLv3+.

[pspp-builds.git] / src / data / case.h

diff --git a/src/data/case.h b/src/data/case.h
index 3d9181192c0aa49b3698958a6f91b978ce80eb96..10963a6e7bbe8cd211843e5b00e12d4e0f22c228 100644 (file)
--- a/src/data/case.h
+++ b/src/data/case.h
@@ -1,20 +1,18 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
    Copyright (C) 2004, 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 2 of the
-   License, or (at your option) any later version.
+   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 of the License, 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.
+   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. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #ifndef HEADER_CASE
 #define HEADER_CASE
@@ -26,10 +24,15 @@
 
 struct variable;
 
+/* A count of cases or the index of a case within a collection of
+   them. */
+#define CASENUMBER_MAX LONG_MAX
+typedef long int casenumber;
+
 /* Opaque structure that represents a case.  Use accessor
    functions instead of accessing any members directly.  Use
    case_move() or case_clone() instead of copying.  */
-struct ccase 
+struct ccase
   {
     struct case_data *case_data;        /* Actual data. */
   };
@@ -44,19 +47,20 @@ void case_destroy (struct ccase *);
 
 size_t case_get_value_cnt (const struct ccase *);
 
-void case_resize (struct ccase *, size_t new_value_cnt);
+void case_resize (struct ccase *, size_t new_cnt);
 void case_swap (struct ccase *, struct ccase *);
 
 bool case_try_create (struct ccase *, size_t value_cnt);
 bool case_try_clone (struct ccase *, const struct ccase *);
 
 void case_copy (struct ccase *dst, size_t dst_idx,
-                            const struct ccase *src, size_t src_idx,
-                            size_t cnt);
+                const struct ccase *src, size_t src_idx,
+                size_t cnt);
 
-void case_to_values (const struct ccase *, union value *, size_t);
-void case_from_values (struct ccase *,
-                                   const union value *, size_t);
+void case_copy_out (const struct ccase *,
+                       size_t start_idx, union value *, size_t value_cnt);
+void case_copy_in (struct ccase *,
+                       size_t start_idx, const union value *, size_t value_cnt);
 
 const union value *case_data (const struct ccase *, const struct variable *);
 double case_num (const struct ccase *, const struct variable *);
@@ -69,9 +73,10 @@ const char *case_str_idx (const struct ccase *, size_t idx);
 union value *case_data_rw_idx (struct ccase *, size_t idx);
 
 int case_compare (const struct ccase *, const struct ccase *,
-                  struct variable *const *, size_t var_cnt);
+                  const struct variable *const *, size_t var_cnt);
 int case_compare_2dict (const struct ccase *, const struct ccase *,
-                        struct variable *const *, struct variable *const *,
+                        const struct variable *const *,
+                       const struct variable *const *,
                         size_t var_cnt);
 
 const union value *case_data_all (const struct ccase *);