Handle EINTR from transport-pipe write

[users/jgh/exim.git] / src / src / local_scan.h

diff --git a/src/src/local_scan.h b/src/src/local_scan.h
index aedfc9f92f5c06bdd4ee734e252e102b95ae6805..23da01b2b7c9e27322a35155e6ffa3edc209fa80 100644 (file)
--- a/src/src/local_scan.h
+++ b/src/src/local_scan.h
@@ -2,14 +2,19 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2019 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* This file is the header that is the only Exim header to be included in the
 source for the local_scan.c() function. It contains definitions that are made
-available for use in that function, and which are documented.
+available for use in that function, and which are documented.  That source
+should first #define LOCAL_SCAN
 
-This API is also used for functions called by the ${dlfunc expansion item. */
+This API is also used for functions called by the ${dlfunc expansion item.
+Source for those should first #define DLFUNC_IMPL and then include this file.
+Coders of dlfunc routines should read the notes on tainting at the start of
+store.c
+*/
 
 
 /* Some basic types that make some things easier, the Exim configuration
@@ -98,7 +103,7 @@ ABI is changed in a non backward compatible way. The minor number is increased
 each time a new feature is added (in a way that doesn't break backward
 compatibility). */
 
-#define LOCAL_SCAN_ABI_VERSION_MAJOR 1
+#define LOCAL_SCAN_ABI_VERSION_MAJOR 3
 #define LOCAL_SCAN_ABI_VERSION_MINOR 1
 #define LOCAL_SCAN_ABI_VERSION \
   LOCAL_SCAN_ABI_VERSION_MAJOR.LOCAL_SCAN_ABI_VERSION_MINOR
@@ -115,12 +120,12 @@ typedef struct header_line {
 /* Entries in lists options are in this form. */
 
 typedef struct {
-  const char   *name;
+  const char   *name; /* should have been uschar but too late now */
   int           type;
   void         *value;
 } optionlist;
 
-/*Structure for holding information about an envelope address. The errors_to
+/* Structure for holding information about an envelope address. The errors_to
 field is always NULL except for one_time aliases that had errors_to on the
 routers that generated them. */
 
@@ -128,6 +133,8 @@ typedef struct recipient_item {
   uschar *address;              /* the recipient address */
   int     pno;                  /* parent number for "one_time" alias, or -1 */
   uschar *errors_to;            /* the errors_to address or NULL */
+  uschar *orcpt;                /* DSN orcpt */
+  int     dsn_flags;            /* DSN flags */
 #ifdef EXPERIMENTAL_BRIGHTMAIL
   uschar *bmi_optin;
 #endif
@@ -184,10 +191,33 @@ extern void    receive_add_recipient(uschar *, int);
 extern BOOL    receive_remove_recipient(uschar *);
 extern uschar *rfc2047_decode(uschar *, BOOL, uschar *, int, int *, uschar **);
 extern int     smtp_fflush(void);
-extern void    smtp_printf(const char *, ...) PRINTF_FUNCTION(1,2);
-extern void    smtp_vprintf(const char *, va_list);
-extern uschar *string_copy(const uschar *);
-extern uschar *string_copyn(uschar *, int);
-extern uschar *string_sprintf(const char *, ...) PRINTF_FUNCTION(1,2);
+extern void    smtp_printf(const char *, BOOL, ...) PRINTF_FUNCTION(1,3);
+extern void    smtp_vprintf(const char *, BOOL, va_list);
+
+#define string_sprintf(fmt, ...) \
+       string_sprintf_trc(fmt, US __FUNCTION__, __LINE__, __VA_ARGS__)
+extern uschar *string_sprintf_trc(const char *, const uschar *, unsigned, ...) ALMOST_PRINTF(1,4);
+
+#define store_get(size, tainted) \
+       store_get_3(size, tainted, __FUNCTION__, __LINE__)
+extern void   *store_get_3(int, BOOL, const char *, int)       ALLOC ALLOC_SIZE(1) WARN_UNUSED_RESULT;
+#define store_get_perm(size, tainted) \
+       store_get_perm_3(size, tainted, __FUNCTION__, __LINE__)
+extern void   *store_get_perm_3(int, BOOL, const char *, int)  ALLOC ALLOC_SIZE(1) WARN_UNUSED_RESULT;
+
+
+#if defined(LOCAL_SCAN) || defined(DLFUNC_IMPL)
+/* When compiling a local_scan() file we want to rename a published API, so that
+we can use an inlined implementation in the compiles of the main Exim files,
+with the original name. */
+
+# define string_copy(s) string_copy_function(s)
+# define string_copyn(s, n) string_copyn_function((s), (n))
+# define string_copy_taint(s, t) string_copy_taint_function((s), (t))
+
+extern uschar * string_copy_function(const uschar *);
+extern uschar * string_copyn_function(const uschar *, int n);
+extern uschar * string_copy_taint_function(const uschar *, BOOL tainted);
+#endif
 
 /* End of local_scan.h */