Minor fix.

* imap4d/list.c (list_ref): Use mu_imap_wildmatch_ci to check for
a request matching INBOX.
* include/mailutils/imaputil.h (mu_imap_wildmatch_ci): New prototype.
* libmailutils/imapio/wildmatch.c (mu_imap_wildmatch_ci): New function.

@@ -171,8 +171,7 @@ list_ref (char const *ref, char const *wcard, char const *cwd,
      on this or some other server. */
   
   if (!*ref &&
-      (mu_imap_wildmatch (wcard, "INBOX", MU_HIERARCHY_DELIMITER) == 0
-       || mu_imap_wildmatch (wcard, "inbox", MU_HIERARCHY_DELIMITER) == 0))
+      mu_imap_wildmatch_ci (wcard, "INBOX", MU_HIERARCHY_DELIMITER) == 0)
     io_untagged_response (RESP_NONE, "LIST (\\NoInferiors) NIL INBOX");
   
   mu_folder_enumerate (folder, NULL, (void*) wcard, 0, 0, NULL,

@@ -24,9 +24,10 @@ extern "C" {
 # include <mailutils/types.h>
 
 int mu_imap_wildmatch (const char *pattern, const char *name, int delim);
+int mu_imap_wildmatch_ci (const char *pattern, const char *name, int delim);
 
 int mu_imap_flag_to_attribute (const char *item, int *attr);
-  int mu_imap_format_flags (mu_stream_t str, int flags, int include_recent);
+int mu_imap_format_flags (mu_stream_t str, int flags, int include_recent);
 
 #ifdef __cplusplus
 }

@@ -18,6 +18,7 @@
 #include <string.h>
 #include <mailutils/types.h>
 #include <mailutils/imaputil.h>
+#include <mailutils/cctype.h>
 
 /* Match STRING against the IMAP4 wildcard pattern PATTERN. */
 
@@ -26,7 +27,7 @@
 #define WILD_ABORT 2
 
 int
-_wild_match (const char *pat, const char *name, char delim)
+_wild_match (const char *pat, const char *name, char delim, int icase)
 {
   while (pat && *pat)
     {
@@ -41,7 +42,7 @@ _wild_match (const char *pat, const char *name, char delim)
 	    return WILD_TRUE;
 	  while (*name)
 	    {
-	      int res = _wild_match (pat, name++, delim);
+	      int res = _wild_match (pat, name++, delim, icase);
 	      if (res != WILD_FALSE)
 		return res;
 	    }
@@ -54,14 +55,15 @@ _wild_match (const char *pat, const char *name, char delim)
 	    return strchr (name, delim) ? WILD_FALSE : WILD_TRUE;
 	  while (*name && *name != delim)
 	    {
-	      int res = _wild_match (pat, name++, delim);
+	      int res = _wild_match (pat, name++, delim, icase);
 	      if (res != WILD_FALSE)
 		return res;
 	    }
-	  return _wild_match (pat, name, delim);
+	  return _wild_match (pat, name, delim, icase);
 	  
 	default:
-	  if (*pat != *name)
+	  if (icase ? mu_toupper (*pat) != mu_toupper (*name)
+	            : *pat != *name)
 	    return WILD_FALSE;
 	  pat++;
 	  name++;
@@ -73,6 +75,11 @@ _wild_match (const char *pat, const char *name, char delim)
 int
 mu_imap_wildmatch (const char *pattern, const char *name, int delim)
 {
-  return _wild_match (pattern, name, delim) != WILD_TRUE;
+  return _wild_match (pattern, name, delim, 0) != WILD_TRUE;
 }
 
+int
+mu_imap_wildmatch_ci (const char *pattern, const char *name, int delim)
+{
+  return _wild_match (pattern, name, delim, 1) != WILD_TRUE;
+}