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-rw-r--r--contrib/mdocml/mdoc_hash.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/contrib/mdocml/mdoc_hash.c b/contrib/mdocml/mdoc_hash.c
index 5e34fe8..476116d 100644
--- a/contrib/mdocml/mdoc_hash.c
+++ b/contrib/mdocml/mdoc_hash.c
@@ -1,6 +1,7 @@
-/* $Id: mdoc_hash.c,v 1.21 2014/08/10 23:54:41 schwarze Exp $ */
+/* $Id: mdoc_hash.c,v 1.26 2015/10/06 18:32:19 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -25,22 +26,22 @@
#include <stdio.h>
#include <string.h>
+#include "roff.h"
#include "mdoc.h"
#include "libmdoc.h"
static unsigned char table[27 * 12];
-/*
- * XXX - this hash has global scope, so if intended for use as a library
- * with multiple callers, it will need re-invocation protection.
- */
void
mdoc_hash_init(void)
{
int i, j, major;
const char *p;
+ if (*table != '\0')
+ return;
+
memset(table, UCHAR_MAX, sizeof(table));
for (i = 0; i < (int)MDOC_MAX; i++) {
@@ -61,32 +62,32 @@ mdoc_hash_init(void)
}
}
-enum mdoct
+int
mdoc_hash_find(const char *p)
{
int major, i, j;
if (0 == p[0])
- return(MDOC_MAX);
+ return TOKEN_NONE;
if ( ! isalpha((unsigned char)p[0]) && '%' != p[0])
- return(MDOC_MAX);
+ return TOKEN_NONE;
if (isalpha((unsigned char)p[1]))
major = 12 * (tolower((unsigned char)p[1]) - 97);
else if ('1' == p[1])
major = 12 * 26;
else
- return(MDOC_MAX);
+ return TOKEN_NONE;
if (p[2] && p[3])
- return(MDOC_MAX);
+ return TOKEN_NONE;
for (j = 0; j < 12; j++) {
if (UCHAR_MAX == (i = table[major + j]))
break;
if (0 == strcmp(p, mdoc_macronames[i]))
- return((enum mdoct)i);
+ return i;
}
- return(MDOC_MAX);
+ return TOKEN_NONE;
}
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