sh: Various warning fixes (from WARNS=6 NO_WERROR=1):

- const
- initializations to silence -Wuninitialized (it was safe anyway)
- remove nested extern declarations
- rename "index" locals to "idx"

1 files changed, 5 insertions, 4 deletions

diff --git a/bin/sh/jobs.c b/bin/sh/jobs.c
index 95ec6e2..6ba951c 100644
--- a/bin/sh/jobs.c
+++ b/bin/sh/jobs.c
@@ -92,7 +92,7 @@ STATIC struct job *getjob(char *);
 STATIC pid_t dowait(int, struct job *);
 STATIC pid_t waitproc(int, int *);
 STATIC void cmdtxt(union node *);
-STATIC void cmdputs(char *);
+STATIC void cmdputs(const char *);
 #if JOBS
 STATIC void setcurjob(struct job *);
 STATIC void deljob(struct job *);
@@ -1083,7 +1083,7 @@ cmdtxt(union node *n)
 {
 	union node *np;
 	struct nodelist *lp;
-	char *p;
+	const char *p;
 	int i;
 	char s[2];
 
@@ -1212,9 +1212,10 @@ redir:
 
 
 STATIC void
-cmdputs(char *s)
+cmdputs(const char *s)
 {
-	char *p, *q;
+	const char *p;
+	char *q;
 	char c;
 	int subtype = 0;