Eliminate more dead stores.

Found by:	Clang static analyzer
MFC after:	7 days

3 files changed, 4 insertions, 5 deletions

diff --git a/lib/libc/gen/getcap.c b/lib/libc/gen/getcap.c
index 32d66d48..2700d3d 100644
--- a/lib/libc/gen/getcap.c
+++ b/lib/libc/gen/getcap.c
@@ -647,7 +647,7 @@ int
 cgetnext(char **bp, char **db_array)
 {
 	size_t len;
-	int done, hadreaderr, i, savederrno, status;
+	int done, hadreaderr, savederrno, status;
 	char *cp, *line, *rp, *np, buf[BSIZE], nbuf[BSIZE];
 	u_int dummy;
 
@@ -658,7 +658,7 @@ cgetnext(char **bp, char **db_array)
 		(void)cgetclose();
 		return (-1);
 	}
-	for(;;) {
+	for (;;) {
 		if (toprec && !gottoprec) {
 			gottoprec = 1;
 			line = toprec;
@@ -709,7 +709,6 @@ cgetnext(char **bp, char **db_array)
 		/*
 		 * Line points to a name line.
 		 */
-		i = 0;
 		done = 0;
 		np = nbuf;
 		for (;;) {
diff --git a/lib/libc/gen/getusershell.c b/lib/libc/gen/getusershell.c
index b0da2a1..d09b50c 100644
--- a/lib/libc/gen/getusershell.c
+++ b/lib/libc/gen/getusershell.c
@@ -124,7 +124,7 @@ _local_initshells(rv, cb_data, ap)
 	if ((fp = fopen(_PATH_SHELLS, "r")) == NULL)
 		return NS_UNAVAIL;
 
-	sp = cp = line;
+	cp = line;
 	while (fgets(cp, MAXPATHLEN + 1, fp) != NULL) {
 		while (*cp != '#' && *cp != '/' && *cp != '\0')
 			cp++;
diff --git a/lib/libc/gen/wordexp.c b/lib/libc/gen/wordexp.c
index 06abdc7..bcab1f5 100644
--- a/lib/libc/gen/wordexp.c
+++ b/lib/libc/gen/wordexp.c
@@ -320,7 +320,7 @@ we_check(const char *words, int flags)
 				if (c == '\0' || level != 0)
 					return (WRDE_SYNTAX);
 			} else
-				c = *--words;
+				--words;
 			break;
 		default:
 			break;