Minor change.

* configure.ac: Remove checks for strtok_r, strchrnul, strndup,
asprintf, vasprintf: none of these is used any more.
* maidag/lmtp.c (lmtp_reply): Use mu_vasnprintf.
* mh/mh.h (strchrnul): Remove proto.
* mh/mh_list.c (want_header): Rewrite.
(print): Use strcspn.

@@ -492,22 +492,13 @@ else
 fi
 AC_FUNC_MMAP
 
-AC_CHECK_DECLS([strtok_r, strchrnul, strndup, asprintf, vasprintf, strsignal],
- , , [
-#include <stdio.h>
-#include <string.h>
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif])
+AC_CHECK_DECLS([strsignal])
 
 AC_CHECK_DECLS(environ, , ,
   [ #include <unistd.h>
     #include <stdlib.h> ])
 
 AH_BOTTOM([
-#if !HAVE_DECL_STRTOK_R
-extern char *strtok_r (char *s, const char *delim, char **save_ptr);
-#endif
 #if !HAVE_DECL_STRSIGNAL
 extern char *strsignal (int);
 #endif

@@ -267,7 +267,7 @@ mu_streamref_create_abridged (mu_stream_t *pref, mu_stream_t str,
   int flags;
   struct _mu_streamref *sp;
   
-  rc = mu_stream_seek (str, 0, MU_SEEK_SET, &off);//FIXME: SEEK_CUR?
+  rc = mu_stream_seek (str, 0, MU_SEEK_SET, &off);/*FIXME: SEEK_CUR?*/
   if (rc)
     return rc;
   mu_stream_get_flags (str, &flags);

@@ -59,10 +59,11 @@ void
 lmtp_reply (mu_stream_t iostr, char *code, char *enh, char *fmt, ...)
 {
   va_list ap;
-  char *str;
+  char *str = NULL;
+  size_t size = 0;
   
   va_start (ap, fmt);
-  vasprintf (&str, fmt, ap);
+  mu_vasnprintf (&str, &size, fmt, ap);
   va_end (ap);
 
   if (!str)

@@ -60,10 +60,6 @@
 
 #include <mu_umaxtostr.h>
 
-#if !HAVE_DECL_STRCHRNUL
-extern char *strchrnul (const char *s, int c_in);
-#endif
-
 #define MH_FMT_RALIGN  0x1000
 #define MH_FMT_ZEROPAD 0x2000
 #define MH_FMT_COMPWS  0x4000

@@ -937,7 +937,7 @@ mh_charset (const char *dfl)
 	  /* Try to deduce the charset from LC_ALL variable */
 	  struct mu_lc_all lc_all;
 	  if (mu_parse_lc_all (getenv ("LC_ALL"), &lc_all, MU_LC_CSET) == 0)
-	    saved_charset = lc_all.charset; /* FIXME: Memory leak */
+	    saved_charset = lc_all.charset; /* FIXME: Mild memory leak */
 	}
       charset = saved_charset;
     }

@@ -480,16 +480,24 @@ header_is_printed (struct eval_env *env, const char *name)
 int
 want_header (struct eval_env *env, const char *name)
 {
-  char *p, *str = env->svar[S_IGNORES];
+  const char *p, *str;
 
-  for (p = strchrnul (str, ','); *str; p = strchrnul (str, ','))
+  for (str = env->svar[S_IGNORES], p = name; *str; str++)
     {
-      if (mu_c_strncasecmp (name, str, p - str) == 0)
-	return 0;
-      str = p;
-      if (*str)
-	str++;
+      if (p)
+	{
+	  if (*p == 0 && *str == ',')
+	    break;
+	  if (mu_tolower (*p) == mu_tolower (*str))
+	    p++;
+	  else
+	    p = NULL;
 	}
+      else if (*str == ',')
+	p = name;
+    }
+  if (p && *p == 0)
+    return 0;
   return 1;
 }
 
@@ -577,16 +585,15 @@ print (struct eval_env *env, char *str, int nloff)
 	  newline (env);
 	  str++;
 	}
-      else
+      else if (*str)
 	{
-	  char *p = strchrnul (str, '\n');
-	  ovf_print (env, str, p - str, nloff);
-	  str = p;
-	  if (*p)
+	  size_t size = strcspn (str, "\n");
+	  ovf_print (env, str, size, nloff);
+	  str += size;
+	  if (*str == '\n')
 	    {
 	      newline (env);
-	      for (str++; *str && mu_isspace (*str); str++)
-		;
+	      str = mu_str_skip_class (str + 1, MU_CTYPE_SPACE);
 	    }
 	}
     }