summaryrefslogtreecommitdiffstats
path: root/mdoc_hash.c
diff options
context:
space:
mode:
Diffstat (limited to 'mdoc_hash.c')
-rw-r--r--mdoc_hash.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mdoc_hash.c b/mdoc_hash.c
index 2615c764..7f7a47b1 100644
--- a/mdoc_hash.c
+++ b/mdoc_hash.c
@@ -32,16 +32,15 @@
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++) {