X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fll.c;h=21f8dd8870a2fc96b48ccfd49c228aeb7bc3db21;hb=93ec42221da8b677420bf11435e0d24d0503601b;hp=443f80fdd57243b18b9315d3cc1576205eb68f4b;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp

diff --git a/src/libpspp/ll.c b/src/libpspp/ll.c
index 443f80fdd5..21f8dd8870 100644
--- a/src/libpspp/ll.c
+++ b/src/libpspp/ll.c
@@ -1,20 +1,18 @@
-/* PSPP - computes sample statistics.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2006, 2009, 2011 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/>. */
 
 /* Embedded, circular doubly linked list. */
 
@@ -30,7 +28,8 @@
 #include <config.h>
 #endif
 
-#include <libpspp/ll.h>
+#include "libpspp/ll.h"
+
 #include <assert.h>
 
 /* Returns the number of nodes in LIST (not counting the null
@@ -171,7 +170,7 @@ ll_find_equal (const struct ll *r0, const struct ll *r1,
   for (x = r0; x != r1; x = ll_next (x))
     if (compare (x, target, aux) == 0)
       break;
-  return (struct ll *) x;
+  return CONST_CAST (struct ll *, x);
 }
 
 /* Returns the first node in R0...R1 for which PREDICATE returns
@@ -187,7 +186,7 @@ ll_find_if (const struct ll *r0, const struct ll *r1,
   for (x = r0; x != r1; x = ll_next (x))
     if (predicate (x, aux))
       break;
-  return (struct ll *) x;
+  return CONST_CAST (struct ll *, x);
 }
 
 /* Compares each pair of adjacent nodes in R0...R1
@@ -205,10 +204,10 @@ ll_find_adjacent_equal (const struct ll *r0, const struct ll *r1,
 
       for (x = r0, y = ll_next (x); y != r1; x = y, y = ll_next (y))
         if (compare (x, y, aux) == 0)
-          return (struct ll *) x;
+          return CONST_CAST (struct ll *, x);
     }
 
-  return (struct ll *) r1;
+  return CONST_CAST (struct ll *, r1);
 }
 
 /* Returns the number of nodes in R0...R1.
@@ -274,7 +273,7 @@ ll_max (const struct ll *r0, const struct ll *r1,
         if (compare (x, max, aux) > 0)
           max = x;
     }
-  return (struct ll *) max;
+  return CONST_CAST (struct ll *, max);
 }
 
 /* Returns the least node in R0...R1 according to COMPARE given
@@ -293,7 +292,7 @@ ll_min (const struct ll *r0, const struct ll *r1,
         if (compare (x, min, aux) < 0)
           min = x;
     }
-  return (struct ll *) min;
+  return CONST_CAST (struct ll *, min);
 }
 
 /* Lexicographically compares A0...A1 to B0...B1.
@@ -476,7 +475,7 @@ ll_find_run (const struct ll *r0, const struct ll *r1,
       while (r0 != r1 && compare (ll_prev (r0), r0, aux) <= 0);
     }
 
-  return (struct ll *) r0;
+  return CONST_CAST (struct ll *, r0);
 }
 
 /* Merges B0...B1 into A0...A1 according to COMPARE given
@@ -683,6 +682,6 @@ ll_find_partition (const struct ll *r0, const struct ll *r1,
     if (predicate (x, aux))
       return NULL;
 
-  return (struct ll *) partition;
+  return CONST_CAST (struct ll *, partition);
 }