Use elinks-lite (with an alternative Build-Dependency on elinks) for rendering the...

[software/mutt-debian.git] / copy.c

diff --git a/copy.c b/copy.c
index 4cb91d0cafe08653d6864eafdfca752daca14689..9ddf411b752dec7246f149cc2ad9cfd5728de434 100644 (file)
--- a/copy.c
+++ b/copy.c
@@ -287,7 +287,7 @@ mutt_copy_hdr (FILE *in, FILE *out, LOFF_T off_start, LOFF_T off_end, int flags,
       if (flags & (CH_DECODE|CH_PREFIX))
       {
        if (mutt_write_one_header (out, 0, headers[x], 
-                                  flags & CH_PREFIX ? prefix : 0, mutt_term_width (Wrap)) == -1)
+                                  flags & CH_PREFIX ? prefix : 0, mutt_term_width (Wrap), flags) == -1)
        {
          error = TRUE;
          break;
@@ -348,7 +348,7 @@ mutt_copy_header (FILE *in, HEADER *h, FILE *out, int flags, const char *prefix)
       | (h->env->refs_changed ? CH_UPDATE_REFS : 0);
   
   if (mutt_copy_hdr (in, out, h->offset, h->content->offset, flags, prefix) == -1)
-    return (-1);
+    return -1;
 
   if (flags & CH_TXTPLAIN)
   {
@@ -360,99 +360,47 @@ mutt_copy_header (FILE *in, HEADER *h, FILE *out, int flags, const char *prefix)
     rfc822_cat(buffer, sizeof(buffer), chsbuf, MimeSpecials);
     fputs(buffer, out);
     fputc('\n', out);
-    
-    if (ferror (out) != 0 || feof (out) != 0)
-      return -1;
-    
   }
 
-  if (flags & CH_UPDATE)
+  if ((flags & CH_UPDATE_IRT) && h->env->in_reply_to)
   {
-    if ((flags & CH_NOSTATUS) == 0)
+    LIST *listp = h->env->in_reply_to;
+    fputs ("In-Reply-To:", out);
+    for (; listp; listp = listp->next)
     {
-      if (h->env->irt_changed && h->env->in_reply_to)
-      {
-       LIST *listp = h->env->in_reply_to;
-
-       if (fputs ("In-Reply-To: ", out) == EOF)
-         return (-1);
-
-       for (; listp; listp = listp->next)
-         if ((fputs (listp->data, out) == EOF) || (fputc (' ', out) == EOF))
-           return (-1);
-
-       if (fputc ('\n', out) == EOF)
-         return (-1);
-      }
-
-      if (h->env->refs_changed && h->env->references)
-      {
-       LIST *listp = h->env->references, *refs = NULL, *t;
-
-       if (fputs ("References: ", out) == EOF)
-         return (-1);
-
-       /* Mutt stores references in reverse order, thus we create
-        * a reordered refs list that we can put in the headers */
-       for (; listp; listp = listp->next, refs = t)
-       {
-         t = (LIST *)safe_malloc (sizeof (LIST));
-         t->data = listp->data;
-         t->next = refs;
-       }
-
-       for (; refs; refs = refs->next)
-         if ((fputs (refs->data, out) == EOF) || (fputc (' ', out) == EOF))
-           return (-1);
-
-       /* clearing refs from memory */
-       for (t = refs; refs; refs = t->next, t = refs)
-         FREE (&refs);
-
-       if (fputc ('\n', out) == EOF)
-         return (-1);
-      }
-
-      if (h->old || h->read)
-      {
-       if (fputs ("Status: ", out) == EOF)
-         return (-1);
-
-       if (h->read)
-       {
-         if (fputs ("RO", out) == EOF)
-           return (-1);
-       }
-       else if (h->old)
-       {
-         if (fputc ('O', out) == EOF)
-           return (-1);
-       }
-
-       if (fputc ('\n', out) == EOF)
-         return (-1);
-      }
+      fputc (' ', out);
+      fputs (listp->data, out);
+    }
+    fputc ('\n', out);
+  }
 
-      if (h->flagged || h->replied)
-      {
-       if (fputs ("X-Status: ", out) == EOF)
-         return (-1);
+  if ((flags & CH_UPDATE_REFS) && h->env->references)
+  {
+    fputs ("References:", out);
+    mutt_write_references (h->env->references, out, 0);
+    fputc ('\n', out);
+  }
 
-       if (h->replied)
-       {
-         if (fputc ('A', out) == EOF)
-           return (-1);
-       }
+  if ((flags & CH_UPDATE) && (flags & CH_NOSTATUS) == 0)
+  {
+    if (h->old || h->read)
+    {
+      fputs ("Status: ", out);
+      if (h->read)
+       fputs ("RO", out);
+      else if (h->old)
+       fputc ('O', out);
+      fputc ('\n', out);
+    }
 
-       if (h->flagged)
-       {
-         if (fputc ('F', out) == EOF)
-           return (-1);
-       }
-       
-       if (fputc ('\n', out) == EOF)
-         return (-1);
-      }
+    if (h->flagged || h->replied)
+    {
+      fputs ("X-Status: ", out);
+      if (h->replied)
+       fputc ('A', out);
+      if (h->flagged)
+       fputc ('F', out);
+      fputc ('\n', out);
     }
   }
 
@@ -468,14 +416,13 @@ mutt_copy_header (FILE *in, HEADER *h, FILE *out, int flags, const char *prefix)
   {
     if (flags & CH_PREFIX)
       fputs(prefix, out);
-    if (fputc ('\n', out) == EOF) /* add header terminator */
-      return (-1);
+    fputc ('\n', out); /* add header terminator */
   }
 
   if (ferror (out) || feof (out))
     return -1;
   
-  return (0);
+  return 0;
 }
 
 /* Count the number of lines and bytes to be deleted in this body*/
@@ -572,7 +519,9 @@ _mutt_copy_message (FILE *fpout, FILE *fpin, HEADER *hdr, BODY *body,
       if (new_lines <= 0)
        new_lines = 0;
       else
-       fprintf (fpout, "Lines: %d\n\n", new_lines);
+       fprintf (fpout, "Lines: %d\n", new_lines);
+
+      putc ('\n', fpout);
       if (ferror (fpout) || feof (fpout))
        return -1;
       new_offset = ftello (fpout);
@@ -652,7 +601,7 @@ _mutt_copy_message (FILE *fpout, FILE *fpin, HEADER *hdr, BODY *body,
   else if (WithCrypto
            && (flags & M_CM_DECODE_CRYPT) && (hdr->security & ENCRYPT))
   {
-    BODY *cur;
+    BODY *cur = NULL;
     FILE *fp;
 
     if ((WithCrypto & APPLICATION_PGP)
@@ -672,18 +621,24 @@ _mutt_copy_message (FILE *fpout, FILE *fpin, HEADER *hdr, BODY *body,
        return (-1);
     }
 
+    if (!cur)
+    {
+      mutt_error (_("No decryption engine available for message"));
+      return -1;
+    }
+
     mutt_write_mime_header (cur, fpout);
     fputc ('\n', fpout);
 
     fseeko (fp, cur->offset, 0);
     if (mutt_copy_bytes (fp, fpout, cur->length) == -1)
     {
-      fclose (fp);
+      safe_fclose (&fp);
       mutt_free_body (&cur);
       return (-1);
     }
     mutt_free_body (&cur);
-    fclose (fp);
+    safe_fclose (&fp);
   }
   else
   {
@@ -718,6 +673,8 @@ _mutt_copy_message (FILE *fpout, FILE *fpin, HEADER *hdr, BODY *body,
   return rc;
 }
 
+/* should be made to return -1 on fatal errors, and 1 on non-fatal errors
+ * like partial decode, where it is worth displaying as much as possible */
 int
 mutt_copy_message (FILE *fpout, CONTEXT *src, HEADER *hdr, int flags,
                   int chflags)
@@ -908,7 +865,7 @@ static void format_address_header (char **h, ADDRESS *a)
 static int address_header_decode (char **h)
 {
   char *s = *h;
-  int l;
+  int l, rp = 0;
 
   ADDRESS *a = NULL;
 
@@ -919,6 +876,7 @@ static int address_header_decode (char **h)
       if (ascii_strncasecmp (s, "return-path:", 12) == 0)
       {
        l = 12;
+       rp = 1;
        break;
       }
       else if (ascii_strncasecmp (s, "reply-to:", 9) == 0)
@@ -979,15 +937,20 @@ static int address_header_decode (char **h)
   
   mutt_addrlist_to_local (a);
   rfc2047_decode_adrlist (a);
-  
-  *h = safe_calloc (1, l + 2);
-  
-  strfcpy (*h, s, l + 1);
-  
-  format_address_header (h, a);
+
+  /* angle brackets for return path are mandated by RfC5322,
+   * so leave Return-Path as-is */
+  if (rp)
+    *h = safe_strdup (s);
+  else
+  {
+    *h = safe_calloc (1, l + 2);
+    strfcpy (*h, s, l + 1);
+    format_address_header (h, a);
+  }
 
   rfc822_free_address (&a);
-  
+
   FREE (&s);
   return 1;
 }