Support a second -v on mandocdb(8) to show keys while they are being added;

i need that for debugging, in particular to be used with -t.
To be able to do so, provide a global table of key names, for reuse.

1 files changed, 16 insertions, 1 deletions

diff --git a/mandocdb.c b/mandocdb.c
index 641219c7..4fd5d548 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -48,6 +48,9 @@
 #include "manpath.h"
 #include "mansearch.h"
 
+extern int mansearch_keymax;
+extern const char *const mansearch_keynames[];
+
 #define	SQL_EXEC(_v) \
 	if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \
 		fprintf(stderr, "%s\n", sqlite3_errmsg(db))
@@ -1562,12 +1565,24 @@ putkeys(const struct mpage *mpage,
 	const char *cp, size_t sz, uint64_t v)
 {
 	struct str	*s;
-	unsigned int	 slot;
 	const char	*end;
+	uint64_t	 mask;
+	unsigned int	 slot;
+	int		 i;
 
 	if (0 == sz)
 		return;
 
+	if (verb > 1) {
+		for (i = 0, mask = 1;
+		     i < mansearch_keymax;
+		     i++, mask <<= 1)
+			if (mask & v)
+				break;
+		say(mpage->mlinks->file, "Adding key %s=%*s",
+		    mansearch_keynames[i], sz, cp);
+	}
+
 	end = cp + sz;
 	slot = ohash_qlookupi(&strings, cp, &end);
 	s = ohash_find(&strings, slot);