remove a few redundant conditions that jsg@ found with cppcheck

4 files changed, 4 insertions, 4 deletions

diff --git a/man.c b/man.c
index e05204ff..905b99a1 100644
--- a/man.c
+++ b/man.c
@@ -203,7 +203,7 @@ man_pmacro(struct roff_man *man, int ln, char *buf, int offs)
 
 	/* Jump to the next non-whitespace word. */
 
-	while (buf[offs] && buf[offs] == ' ')
+	while (buf[offs] == ' ')
 		offs++;
 
 	/*
diff --git a/mdoc.c b/mdoc.c
index d8cdd103..ae1d53a9 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -382,7 +382,7 @@ mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, int offs)
 
 	/* Jump to the next non-whitespace word. */
 
-	while (buf[offs] && ' ' == buf[offs])
+	while (buf[offs] == ' ')
 		offs++;
 
 	/*
diff --git a/mdoc_html.c b/mdoc_html.c
index 1a9b9d84..306ba0a3 100644
--- a/mdoc_html.c
+++ b/mdoc_html.c
@@ -666,7 +666,7 @@ mdoc_it_pre(MDOC_ARGS)
 	enum mdoc_list		 type;
 
 	bl = n->parent;
-	while (bl != NULL && bl->tok != MDOC_Bl)
+	while (bl->tok != MDOC_Bl)
 		bl = bl->parent;
 	type = bl->norm->Bl.type;
 
diff --git a/roff.c b/roff.c
index 5792eb86..c8f17532 100644
--- a/roff.c
+++ b/roff.c
@@ -1608,7 +1608,7 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs)
 			return ROFF_IGN;
 		while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ')
 			pos++;
-		while (buf->buf[pos] != '\0' && buf->buf[pos] == ' ')
+		while (buf->buf[pos] == ' ')
 			pos++;
 		return tbl_read(r->tbl, ln, buf->buf, pos);
 	}