Added -fno-ign-chars support to libman.

man_validate.c checks for non-tab/isprint words.
libman hashtable fixed (was ignoring .br).
Added ncount field to man_node, deprecating count() functions.
Documented use of tabs in man.7.

1 files changed, 7 insertions, 3 deletions

diff --git a/man_hash.c b/man_hash.c
index 68ce712a..7f1686fb 100644
--- a/man_hash.c
+++ b/man_hash.c
@@ -37,9 +37,13 @@ man_hash_alloc(void)
 	int		*htab;
 	int		 i, j, x;
 
-	htab = calloc(26 * 5, sizeof(int));
+	/* Initialised to -1. */
+
+	htab = malloc(26 * 5 * sizeof(int));
 	if (NULL == htab)
 		return(NULL);
+	for (i = 0; i < 26 * 5; i++)
+		htab[i] = -1;
 
 	for (i = 0; i < MAN_MAX; i++) {
 		x = man_macronames[i][0];
@@ -51,7 +55,7 @@ man_hash_alloc(void)
 		x *= 5;
 
 		for (j = 0; j < 5; j++)
-			if (0 == htab[x + j]) {
+			if (-1 == htab[x + j]) {
 				htab[x + j] = i;
 				break;
 			}
@@ -80,7 +84,7 @@ man_hash_find(const void *arg, const char *tmp)
 	x *= 5;
 
 	for (i = 0; i < 5; i++) {
-		if (0 == (tok = htab[x + i]))
+		if (-1 == (tok = htab[x + i]))
 			return(MAN_MAX);
 		if (0 == strcmp(tmp, man_macronames[tok]))
 			return(tok);