Added qualifiers to bmh_search parameters and return type. Slightly

modified parameter type on main() to get rid of a warning.

3 files changed, 3 insertions, 7 deletions

diff --git a/src/filter-env/bmh_search.c b/src/filter-env/bmh_search.c
index 190bdfa..4d9f74c 100644
--- a/src/filter-env/bmh_search.c
+++ b/src/filter-env/bmh_search.c
@@ -5,9 +5,7 @@ aparently distributed by Addison-Wesley Publishing Co. Inc, http://aw.com/
 #include <string.h>
 #define MAXCHAR 256
 
-char *bmh_search( pat, text, n )
-char *pat, *text;
-int n;
+const char *bmh_search( const char *pat, const char *text, int n )
 { int i, j, k, m, skip[MAXCHAR];
 
     m = strlen(pat);
diff --git a/src/filter-env/bmh_search.h b/src/filter-env/bmh_search.h
index e0eb706..e44fdff 100644
--- a/src/filter-env/bmh_search.h
+++ b/src/filter-env/bmh_search.h
@@ -2,6 +2,4 @@
 aparently distributed by Addison-Wesley Publishing Co. Inc, http://aw.com/
 */
 
-char *bmh_search(pat, text, n );
-//char *pat, *text;
-//int n;
+const char *bmh_search(const char *pat, const char *text, int n );
diff --git a/src/filter-env/posix.c b/src/filter-env/posix.c
index 376a7ca..16749a3 100644
--- a/src/filter-env/posix.c
+++ b/src/filter-env/posix.c
@@ -38,7 +38,7 @@ const char *walk_command(const char *p, const char *end, char endchar, const cha
 static int debugging;
 
 int
-main(int argc, const char **argv)
+main(int argc, char *const *argv)
 {
     int fd = 0;
     char **funcs = NULL;	char **vars = NULL;