DKIM: avoid use of temporary file for signing

[exim.git] / src / src / structs.h

diff --git a/src/src/structs.h b/src/src/structs.h
index 60e7ccd9d79a892548057ca3312c099bb9afe970..474b855779b8725809fca9eb6a0285f9d58b9f54 100644 (file)
--- a/src/src/structs.h
+++ b/src/src/structs.h
@@ -235,6 +235,10 @@ 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 */
@@ -244,6 +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;