An interesting refactoring + more expressive internal API

[redis.git] / pqsort.c

diff --git a/pqsort.c b/pqsort.c
index c49d077ec07ce97e3c0047715e18e68b05aff931..257756376c4aca95941737ab6f4e4e89b92eca09 100644 (file)
--- a/pqsort.c
+++ b/pqsort.c
@@ -1,7 +1,7 @@
 /* The following is the NetBSD libc qsort implementation modified in order to
  * support partial sorting of ranges for Redis.
  *
- * Copyright(C) 2009 Salvatore Sanfilippo. All rights reserved.
+ * Copyright(C) 2009-2010 Salvatore Sanfilippo. All rights reserved.
  *
  * The original copyright notice follows. */
 
@@ -37,24 +37,15 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)qsort.c    8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: qsort.c,v 1.19 2009/01/30 23:38:44 lukem Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
 #include <sys/types.h>
 
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
 
-static inline char     *med3 __P((char *, char *, char *,
-    int (*)(const void *, const void *)));
-static inline void      swapfunc __P((char *, char *, size_t, int));
+static inline char     *med3 (char *, char *, char *,
+    int (*)(const void *, const void *));
+static inline void      swapfunc (char *, char *, size_t, int);
 
 #define min(a, b)      (a) < (b) ? a : b
 
@@ -97,7 +88,7 @@ swapfunc(char *a, char *b, size_t n, int swaptype)
 
 static inline char *
 med3(char *a, char *b, char *c,
-    int (*cmp) __P((const void *, const void *)))
+    int (*cmp) (const void *, const void *))
 {
 
        return cmp(a, b) < 0 ?
@@ -107,7 +98,7 @@ med3(char *a, char *b, char *c,
 
 static void
 _pqsort(void *a, size_t n, size_t es,
-    int (*cmp) __P((const void *, const void *)), void *lrange, void *rrange)
+    int (*cmp) (const void *, const void *), void *lrange, void *rrange)
 {
        char *pa, *pb, *pc, *pd, *pl, *pm, *pn;
        size_t d, r;
@@ -199,7 +190,7 @@ loop:       SWAPINIT(a, es);
 
 void
 pqsort(void *a, size_t n, size_t es,
-    int (*cmp) __P((const void *, const void *)), size_t lrange, size_t rrange)
+    int (*cmp) (const void *, const void *), size_t lrange, size_t rrange)
 {
     _pqsort(a,n,es,cmp,((unsigned char*)a)+(lrange*es),
                        ((unsigned char*)a)+((rrange+1)*es)-1);