mh_xstrdup arguments now const

this is better to avoid errors and required
by my pick rewrite

diff --git a/h/utils.h b/h/utils.h
index 13964b2..1d55b59 100644 (file)
--- a/h/utils.h
+++ b/h/utils.h
@@ -9,7 +9,7 @@ char *pwd(void);
 char *add(const char *, char *);
 void create_folder(char *, int, void (*)(int));
 int num_digits(int);
-char *mh_xstrdup(char *);
+char *mh_xstrdup(const char *);
 
 struct msgs_array {
        int max, size;

diff --git a/sbr/utils.c b/sbr/utils.c
index ef0ee97..50060ae 100644 (file)
--- a/sbr/utils.c
+++ b/sbr/utils.c
@@ -225,7 +225,7 @@ app_msgarg(struct msgs_array *msgs, char *cp)
 ** string of length 0.
 */
 char *
-mh_xstrdup(char * s)
+mh_xstrdup(const char * s)
 {
        char * tmp;
        tmp = strdup(s ? s : "");