===================================================================
RCS file: /cvs/mandoc/Attic/man_hash.c,v
retrieving revision 1.19
retrieving revision 1.32
diff -u -p -r1.19 -r1.32
--- mandoc/Attic/man_hash.c	2010/05/08 07:30:19	1.19
+++ mandoc/Attic/man_hash.c	2015/04/18 17:01:58	1.32
@@ -1,6 +1,6 @@
-/*	$Id: man_hash.c,v 1.19 2010/05/08 07:30:19 kristaps Exp $ */
+/*	$Id: man_hash.c,v 1.32 2015/04/18 17:01:58 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,26 +14,23 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include <sys/types.h>
 
 #include <assert.h>
 #include <ctype.h>
 #include <limits.h>
-#include <stdlib.h>
 #include <string.h>
 
+#include "roff.h"
+#include "man.h"
 #include "libman.h"
 
 #define	HASH_DEPTH	 6
 
 #define	HASH_ROW(x) do { \
-		if ('.' == (x)) \
-			(x) = 26; \
-		else if (isupper((u_char)(x))) \
+		if (isupper((unsigned char)(x))) \
 			(x) -= 65; \
 		else \
 			(x) -= 97; \
@@ -47,32 +44,31 @@
  * macro (the integer value of the enum stored as a char to save a bit
  * of space).
  */
-static	u_char		 table[27 * HASH_DEPTH];
+static	unsigned char	 table[26 * HASH_DEPTH];
 
-/*
- * XXX - this hash has global scope, so if intended for use as a library
- * with multiple callers, it will need re-invocation protection.
- */
+
 void
 man_hash_init(void)
 {
 	int		 i, j, x;
 
+	if (*table != '\0')
+		return;
+
 	memset(table, UCHAR_MAX, sizeof(table));
 
-	assert(/* LINTED */ 
-			MAN_MAX < UCHAR_MAX);
+	assert(MAN_MAX < UCHAR_MAX);
 
 	for (i = 0; i < (int)MAN_MAX; i++) {
 		x = man_macronames[i][0];
 
-		assert(isalpha((u_char)x) || '.' == x);
+		assert(isalpha((unsigned char)x));
 
 		HASH_ROW(x);
 
 		for (j = 0; j < HASH_DEPTH; j++)
 			if (UCHAR_MAX == table[x + j]) {
-				table[x + j] = (u_char)i;
+				table[x + j] = (unsigned char)i;
 				break;
 			}
 
@@ -80,16 +76,15 @@ man_hash_init(void)
 	}
 }
 
-
-enum mant
+int
 man_hash_find(const char *tmp)
 {
 	int		 x, y, i;
-	enum mant	 tok;
+	int		 tok;
 
 	if ('\0' == (x = tmp[0]))
 		return(MAN_MAX);
-	if ( ! (isalpha((u_char)x) || '.' == x))
+	if ( ! (isalpha((unsigned char)x)))
 		return(MAN_MAX);
 
 	HASH_ROW(x);
@@ -98,7 +93,7 @@ man_hash_find(const char *tmp)
 		if (UCHAR_MAX == (y = table[x + i]))
 			return(MAN_MAX);
 
-		tok = (enum mant)y;
+		tok = y;
 		if (0 == strcmp(tmp, man_macronames[tok]))
 			return(tok);
 	}