X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1513f7668c494c4583141d6115669b7198c14556..6bc64765f:/h/mime.h

diff --git a/h/mime.h b/h/mime.h
index 1a85b427..2ed5378c 100644
--- a/h/mime.h
+++ b/h/mime.h
@@ -1,8 +1,6 @@
 
 /*
  * mime.h -- definitions for MIME
- *
- * $Id$
  */
 
 #define	VRSN_FIELD	"MIME-Version"
@@ -14,8 +12,11 @@
 #define	DESCR_FIELD	"Content-Description"
 #define	DISPO_FIELD	"Content-Disposition"
 #define	MD5_FIELD	"Content-MD5"
+#define	ATTACH_FIELD	"Attach"
 
-#define	isatom(c)   (!isspace (c) && !iscntrl (c) && (c) != '(' \
+#define	isatom(c)   (isascii((unsigned char) c) \
+                     && !isspace ((unsigned char) c) \
+		     && !iscntrl ((unsigned char) c) && (c) != '(' \
 	             && (c) != ')' && (c) != '<'  && (c) != '>' \
 	             && (c) != '@' && (c) != ','  && (c) != ';' \
 	             && (c) != ':' && (c) != '\\' && (c) != '"' \
@@ -25,7 +26,9 @@
  * Test for valid characters used in "token"
  * as defined in RFC2045
  */
-#define	istoken(c)  (!isspace (c) && !iscntrl (c) && (c) != '(' \
+#define	istoken(c)  (isascii((unsigned char) c) \
+                     && !isspace ((unsigned char) c) \
+		     && !iscntrl ((unsigned char) c) && (c) != '(' \
 	             && (c) != ')' && (c) != '<'  && (c) != '>' \
 	             && (c) != '@' && (c) != ','  && (c) != ';' \
 	             && (c) != ':' && (c) != '\\' && (c) != '"' \