Declare strdup only if it's not defined.

[gnulib.git] / lib / hash.c

diff --git a/lib/hash.c b/lib/hash.c
index e26d0d0..1d7a59d 100644 (file)
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -1,5 +1,5 @@
 /* hash - hashing table processing.
-   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
    Written by Jim Meyering, 1992.
 
    This program is free software; you can redistribute it and/or modify
@@ -35,9 +35,16 @@ typedef enum {false = 0, true = 1} bool;
 #include <stdio.h>
 #include <assert.h>
 
+#ifndef HAVE_DECL_FREE
+"this configure-time declaration test was not run"
+#endif
 #if !HAVE_DECL_FREE
 void free ();
 #endif
+
+#ifndef HAVE_DECL_MALLOC
+"this configure-time declaration test was not run"
+#endif
 #if !HAVE_DECL_MALLOC
 char *malloc ();
 #endif
@@ -445,8 +452,8 @@ hash_reset_tuning (Hash_tuning *tuning)
 
 /* For the given hash TABLE, check the user supplied tuning structure for
    reasonable values, and return true if there is no gross error with it.
-   Otherwise, definitvely reset the TUNING field to some acceptable default in
-   the hash table (that is, the user loses the right of further modifying
+   Otherwise, definitively reset the TUNING field to some acceptable default
+   in the hash table (that is, the user loses the right of further modifying
    tuning arguments), and return false.  */
 
 static bool
@@ -468,15 +475,14 @@ check_tuning (Hash_table *table)
   return false;
 }
 
-/* Allocate and return a new hash table, or NULL upon failure.  The
-   initial number of buckets is automatically selected so as to _guarantee_ that
-   you may insert at least CANDIDATE different user entries before any growth
-   of the hash table size occurs.  So, if have a reasonably tight a-priori
-   upper bound on the
-   number of entries you intend to insert in the hash table, you may save some
-   table memory and insertion time, by specifying it here.  If the
-   IS_N_BUCKETS field of the TUNING structure is true, the CANDIDATE argument
-   has its meaning changed to the wanted number of buckets.
+/* Allocate and return a new hash table, or NULL upon failure.  The initial
+   number of buckets is automatically selected so as to _guarantee_ that you
+   may insert at least CANDIDATE different user entries before any growth of
+   the hash table size occurs.  So, if have a reasonably tight a-priori upper
+   bound on the number of entries you intend to insert in the hash table, you
+   may save some table memory and insertion time, by specifying it here.  If
+   the IS_N_BUCKETS field of the TUNING structure is true, the CANDIDATE
+   argument has its meaning changed to the wanted number of buckets.
 
    TUNING points to a structure of user-supplied values, in case some fine
    tuning is wanted over the default behavior of the hasher.  If TUNING is
@@ -769,8 +775,8 @@ hash_find_entry (Hash_table *table, const void *entry,
 
 /* For an already existing hash table, change the number of buckets through
    specifying CANDIDATE.  The contents of the hash table are preserved.  The
-   new number of buckets is automatically selected so as to _guarantee_ that the
-   table may receive at least CANDIDATE different user entries, including
+   new number of buckets is automatically selected so as to _guarantee_ that
+   the table may receive at least CANDIDATE different user entries, including
    those already in the table, before any other growth of the hash table size
    occurs.  If TUNING->IS_N_BUCKETS is true, then CANDIDATE specifies the
    exact number of buckets desired.  */