strcasecmp.c: mark array as const

diff --git a/strcasecmp.c b/strcasecmp.c
index f19ccf547d1a1e72add5b6a465d88649e170ab90..5504e0aff5a7ef57d52cef939d64e078b79ab605 100644 (file)
--- a/strcasecmp.c
+++ b/strcasecmp.c
@@ -28,7 +28,7 @@ static const char rcsid[] _U_ =
  * together for a case independent comparison.  The mappings are
  * based upon ascii character sequences.
  */
-static u_char charmap[] = {
+static const u_char charmap[] = {
        '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
        '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
        '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
@@ -67,7 +67,7 @@ int
 strcasecmp(s1, s2)
        const char *s1, *s2;
 {
-       register u_char *cm = charmap,
+       register const u_char *cm = charmap,
                        *us1 = (u_char *)s1,
                        *us2 = (u_char *)s2;
 
@@ -82,7 +82,7 @@ strncasecmp(s1, s2, n)
        const char *s1, *s2;
        register int n;
 {
-       register u_char *cm = charmap,
+       register const u_char *cm = charmap,
                        *us1 = (u_char *)s1,
                        *us2 = (u_char *)s2;