1 files changed, 7 insertions, 7 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 87b9412b3..ffc4685d6 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -133,7 +133,7 @@ typedef enum {
 
 /* The descrip member of this structure is only used to make debugging
  * output pretty */
-static struct {int mode; int default_fd; char *descrip;} redir_table[] = {
+static const struct {int mode; int default_fd; const char *descrip;} redir_table[] = {
         { 0,                         0, "()" },
         { O_RDONLY,                  0, "<"  },
         { O_CREAT|O_TRUNC|O_WRONLY,  1, ">"  },
@@ -297,8 +297,8 @@ struct in_str {
 #define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"
 
 struct built_in_command {
-        char *cmd;                                      /* name */
-        char *descr;                            /* description */
+        const char *cmd;                        /* name */
+        const char *descr;                      /* description */
         int (*function) (struct child_prog *);  /* function ptr */
 };
 
@@ -414,7 +414,7 @@ static int set_local_var(const char *s, int flg_export);
  * in the parent shell process.  If forked, of course they can not.
  * For example, 'unset foo | whatever' will parse and run, but foo will
  * still be set at the end. */
-static struct built_in_command bltins[] = {
+static const struct built_in_command bltins[] = {
         {"bg", "Resume a job in the background", builtin_fg_bg},
         {"break", "Exit for, while or until loop", builtin_not_written},
         {"cd", "Change working directory", builtin_cd},
@@ -618,7 +618,7 @@ static int builtin_fg_bg(struct child_prog *child)
 /* built-in 'help' handler */
 static int builtin_help(struct child_prog *dummy)
 {
-        struct built_in_command *x;
+        const struct built_in_command *x;
 
         printf("\nBuilt-in commands:\n");
         printf("-------------------\n");
@@ -1076,7 +1076,7 @@ static void pseudo_exec(struct child_prog *child)
 {
         int i, rcode;
         char *p;
-        struct built_in_command *x;
+        const struct built_in_command *x;
         if (child->argv) {
                 for (i=0; is_assignment(child->argv[i]); i++) {
                         debug_printf("pid %d environment modification: %s\n",getpid(),child->argv[i]);
@@ -1338,7 +1338,7 @@ static int run_pipe_real(struct pipe *pi)
         int nextin, nextout;
         int pipefds[2];                         /* pipefds[0] is for reading */
         struct child_prog *child;
-        struct built_in_command *x;
+        const struct built_in_command *x;
         char *p;
 
         nextin = 0;