Patch from Sam Roberts.

+2001-05-27  Sam Roberts
+	* mailbox/address.c: removed unfolding of lines at a NL before parsing.
+	* mailbox/parse822.c: consider LF and CRLF equivalent for purposes
+	of unfolding lines.
+
 2001-05-23  Alain Magloire
 
 	* mailbox/mbx_default.c (mailbox_create_default): Check

@@ -38,55 +38,12 @@ address_create (address_t *a, const char *s)
   /* 'paddress' must exist, and can't already have been initialized
    */
   int status;
-  const char *e;
-  const char *save;
-  char *fb;
 
   if (!a)
     return EINVAL;
 
   *a = NULL;
-  save = s;
-  e = &s[strlen (s)];
-  fb = calloc (1, 1);
-  if (!fb)
-    return ENOMEM;
-
-  /* We need to unfold the string. Do the same thing as parse822_field_body()
-     but we have to be more flexible in allowing bare '\n' as CRLF for
-     unix-mbox.  This is may not be the right approach still.  */
-  for (;;)
-    {
-      const char *eol = s;
-      size_t len = strlen (fb);
-      while (eol != e)
-	{
-	  /* if (eol[0] == '\r' && (eol+1) != e && eol[1] == '\n') */
-	  if (*eol == '\n')
-	    break;
-	  ++eol;
-	}
-
-      fb = realloc (fb, len + (eol - s) + 1);
-      memcpy (fb + len , s, eol - s);
-      fb[len + (eol - s)] = '\0';
-
-      s = eol;
-      if (eol == e)
-	break; /* no more, so we're done */
-
-      s++;
-
-      if (s == e)
-	break; /* no more, so we're done */
-
-      /* check if next line is a continuation line */
-      if (*s != ' ' && *s != '\t')
-	break;
-    }
-
-  status = parse822_address_list (a, (char*) fb);
-  free (fb);
+  status = parse822_address_list (a, (char*) s);
   if (status == 0)
     {
       /* And address-list may contain 0 addresses but parse correctly.
@@ -94,7 +51,7 @@ address_create (address_t *a, const char *s)
       if (!*a)
 	return ENOENT;
 
-      (*a)->addr = strdup (save);
+      (*a)->addr = strdup (s);
       if (!(*a)->addr)
 	{
 	  address_destroy (a);

@@ -211,9 +211,13 @@ int parse822_is_smtp_q(char c)
 
 /***** From RFC 822, 3.3 Lexical Tokens *****/
 
-int parse822_skip_crlf(const char** p, const char* e)
+int parse822_skip_nl(const char** p, const char* e)
 {
+    /* Here we consider a new-line (NL) to be either a bare LF, or
+     * a CRLF pair as required by the RFC.
+     */
     const char* s = *p;
+
     if(
 	(&s[1] < e) &&
 	s[0] == '\r' &&
@@ -224,6 +228,17 @@ int parse822_skip_crlf(const char** p, const char* e)
 
 	return EOK;
     }
+
+    if(
+	(&s[0] < e) &&
+	s[0] == '\n'
+	)
+    {
+	*p += 1;
+
+	return EOK;
+    }
+
     return EPARSE;
 }
 int parse822_skip_lwsp_char(const char** p, const char* e)
@@ -237,7 +252,12 @@ int parse822_skip_lwsp_char(const char** p, const char* e)
 int parse822_skip_lwsp(const char** p, const char* e)
 {
     /*
-     * linear-white-space = 1*([CRLF] LWSP-char)
+     * linear-white-space = 1*([[CR]LF] LWSP-char)
+     *
+     *   We interpret a bare LF as identical to the canonical CRLF
+     *   line ending, I don't know another way since on a Unix system
+     *   all CRLF will be translated to the local convention, a bare
+     *   LF, and thus we can not deal with bare NLs in the message.
      */
     int space = 0;
 
@@ -248,7 +268,7 @@ int parse822_skip_lwsp(const char** p, const char* e)
 	    space = 1;
 	    continue;
 	}
-	if(parse822_skip_crlf(p, e) == EOK) {
+	if(parse822_skip_nl(p, e) == EOK) {
 	    if(parse822_skip_lwsp_char(p, e) == EOK) {
 		continue;
 	    }