X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/adc426215052297d694fcc08786e87a140171e76..4226691b79845d9b41041e2f64a3a241dcb99f4d:/src/src/structs.h

diff --git a/src/src/structs.h b/src/src/structs.h
index d9d37f1c0..474b85577 100644
--- a/src/src/structs.h
+++ b/src/src/structs.h
@@ -230,12 +230,15 @@ typedef struct transport_info {
 #define tc_chunk_last	BIT(1)	/* annotate chunk SMTP cmd as LAST */
 
 struct transport_context;
-typedef int (*tpt_chunk_cmd_cb)(int fd, struct transport_context * tctx,
-				unsigned len, unsigned flags);
+typedef int (*tpt_chunk_cmd_cb)(struct transport_context *, unsigned, unsigned);
 
 /* Structure for information about a delivery-in-progress */
 
 typedef struct transport_context {
+  union {			/* discriminated by option topt_output_string */
+    int			  fd;	/* file descriptor to write message to */
+    uschar *		  msg;	/* allocated string with written message */
+  } u;
   transport_instance	* tblock;		/* transport */
   struct address_item	* addr;
   uschar		* check_string;		/* string replacement */
@@ -245,6 +248,10 @@ typedef struct transport_context {
   /* items below only used with option topt_use_bdat */
   tpt_chunk_cmd_cb	  chunk_cb;		/* per-datachunk callback */
   void			* smtp_context;
+
+  /* items below only used with option topt_output_string */
+  int			  msg_size;
+  int			  msg_ptr;
 } transport_ctx;
 
 
@@ -625,7 +632,7 @@ typedef struct address_item {
                                   /* (may need to hold a timestamp) */
 
   short int basic_errno;          /* status after failure */
-  short int child_count;          /* number of child addresses */
+  unsigned short child_count;     /* number of child addresses */
   short int return_file;          /* fileno of return data file */
   short int special_action;       /* ( used when when deferred or failed */
                                   /* (  also  */