X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fvalue.h;h=97d07b4632ed972e009b94a965ec9900e1eb9b14;hb=ece16c8d0b27fc6c970f6d491b9a3e8a958fde82;hp=fccd8a98cd4e0093928f1bf5178aa4f42ea5f9ff;hpb=f2cb4dbc3def605f171d0e5ceb3335bdf5b3e195;p=pspp-builds.git

diff --git a/src/data/value.h b/src/data/value.h
index fccd8a98..97d07b46 100644
--- a/src/data/value.h
+++ b/src/data/value.h
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -21,26 +20,18 @@
 #define value_h 1
 
 #include <float.h>
-
+#include <libpspp/misc.h>
+#include "minmax.h"
 #include <config.h>
 
 /* Values. */
 
-/* Max length of a short string value, generally 8 chars. */
-#define MAX_SHORT_STRING ( (SIZEOF_DOUBLE)>=8 ? (SIZEOF_DOUBLE + 1)/2 * 2 : 8 )
-
+/* "Short" strings, which are generally those no more than 8
+   characters wide, can participate in more operations than
+   longer strings. */
+#define MAX_SHORT_STRING (MAX (ROUND_UP (SIZEOF_DOUBLE, 2), 8))
 #define MIN_LONG_STRING (MAX_SHORT_STRING + 1)
-
-/* Max string length. */
-#define MAX_LONG_STRING 255
-
-/* This nonsense is required for SPSS compatibility */
-#define EFFECTIVE_LONG_STRING_LENGTH (MAX_LONG_STRING - 3)
-
-#define MAX_VERY_LONG_STRING 32767
-
-#define MAX_STRING MAX_VERY_LONG_STRING
-
+#define MAX_STRING 32767
 
 /* Special values. */
 #define SYSMIS (-DBL_MAX)
@@ -55,14 +46,8 @@ union value
     char s[MAX_SHORT_STRING];
   };
 
-/* Maximum number of `union value's in a single number or string
-   value. */
-#define MAX_ELEMS_PER_VALUE (MAX_STRING / sizeof (union value) + 1)
-
-int compare_values (const union value *a, const union value *b, int width);
-
-unsigned  hash_value(const union value  *v, int width);
-
-
+union value *value_dup (const union value *, int width);
+int compare_values (const union value *, const union value *, int width);
+unsigned hash_value (const union value  *, int width);
 
 #endif /* !value.h */