Avoid modifying global errno when raising event

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

diff --git a/src/src/functions.h b/src/src/functions.h
index 3dd890a00fd1feefa27cbb2cc257456737315f71..34a6fb7862daec4c880079f348f72def525de019 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -56,7 +56,7 @@ extern BOOL    tls_client_start(client_conn_ctx *, smtp_connect_args *,
 extern void    tls_client_creds_reload(BOOL);
 
 extern void    tls_close(void *, int);
-extern BOOL    tls_could_read(void);
+extern BOOL    tls_could_getc(void);
 extern void    tls_daemon_init(void);
 extern int     tls_daemon_tick(void);
 extern BOOL    tls_dropprivs_validate_require_cipher(BOOL);
@@ -236,7 +236,7 @@ extern BOOL    dscp_lookup(const uschar *, int, int *, int *, int *);
 extern void    enq_end(uschar *);
 extern BOOL    enq_start(uschar *, unsigned);
 #ifndef DISABLE_EVENT
-extern uschar *event_raise(uschar *, const uschar *, uschar *);
+extern uschar *event_raise(uschar *, const uschar *, uschar *, int *);
 extern void    msg_event_raise(const uschar *, const address_item *);
 #endif
 
@@ -478,7 +478,6 @@ extern void    sha1_start(hctx *);
 extern int     sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
                  uschar *, address_item **, uschar **);
 extern void    sigalrm_handler(int);
-extern BOOL    smtp_buffered(void);
 extern void    smtp_closedown(uschar *);
 extern void    smtp_command_timeout_exit(void) NORETURN;
 extern void    smtp_command_sigterm_exit(void) NORETURN;
@@ -811,11 +810,11 @@ Returns:  copy of string in new store, with letters lowercased
 */
 
 static inline uschar *
-string_copylc(const uschar *s)
+string_copylc(const uschar * s)
 {
-uschar *ss = store_get(Ustrlen(s) + 1, is_tainted(s));
-uschar *p = ss;
-while (*s != 0) *p++ = tolower(*s++);
+uschar * ss = store_get(Ustrlen(s) + 1, is_tainted(s));
+uschar * p = ss;
+while (*s) *p++ = tolower(*s++);
 *p = 0;
 return ss;
 }
@@ -837,7 +836,7 @@ Returns:    copy of string in new store, with letters lowercased
 */
 
 static inline uschar *
-string_copynlc(uschar *s, int n)
+string_copynlc(uschar * s, int n)
 {
 uschar *ss = store_get(n + 1, is_tainted(s));
 uschar *p = ss;
@@ -1255,6 +1254,14 @@ child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
   outfdptr, make_leader, purpose);
 }
 
+/* Return 1 if fd is usable per pollbits, else 0 */
+static inline int
+poll_one_fd(int fd, short pollbits, int tmo_millisec)
+{
+struct pollfd p = {.fd = fd, .events = pollbits};
+return poll(&p, 1, tmo_millisec);
+}
+
 # endif        /* !COMPILE_UTILITY */
 
 /******************************************************************************/