From e8bc7fca1bef99f0b14fe791594be95cfed134f2 Mon Sep 17 00:00:00 2001
From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Tue, 23 Dec 2014 19:43:33 +0000
Subject: [PATCH] Code tidying

---
 src/src/receive.c   | 44 +++++++++++++++---------------
 src/src/spam.c      |  7 ++---
 src/src/transport.c | 65 ++++++++++++++++++++++++---------------------
 3 files changed, 58 insertions(+), 58 deletions(-)

diff --git a/src/src/receive.c b/src/src/receive.c
index df5441b6a..0466cab8d 100644
--- a/src/src/receive.c
+++ b/src/src/receive.c
@@ -1232,40 +1232,40 @@ if (Ustrlen(rfc822_file_path) > 0)
 if (rc == OK)
   {
   uschar temp_path[1024];
-  struct dirent *entry;
-  DIR *tempdir;
+  struct dirent * entry;
+  DIR * tempdir;
 
-  (void)string_format(temp_path, 1024, "%s/scan/%s", spool_directory,
-    message_id);
+  (void) string_format(temp_path, sizeof(temp_path), "%s/scan/%s",
+    spool_directory, message_id);
 
   tempdir = opendir(CS temp_path);
-  do
+  for (;;)
     {
-    entry = readdir(tempdir);
-    if (entry == NULL) break;
-    if (strncmpic(US entry->d_name,US"__rfc822_",9) == 0)
+    if (!(entry = readdir(tempdir)))
+      break;
+    if (strncmpic(US entry->d_name, US"__rfc822_", 9) == 0)
       {
-      (void)string_format(rfc822_file_path, 2048,"%s/scan/%s/%s", spool_directory, message_id, entry->d_name);
-      debug_printf("RFC822 attachment detected: running MIME ACL for '%s'\n", rfc822_file_path);
+      (void) string_format(rfc822_file_path, sizeof(rfc822_file_path),
+	"%s/scan/%s/%s", spool_directory, message_id, entry->d_name);
+      debug_printf("RFC822 attachment detected: running MIME ACL for '%s'\n",
+	rfc822_file_path);
       break;
       }
-    } while (1);
+    }
   closedir(tempdir);
 
-  if (entry != NULL)
+  if (entry)
     {
-    mbox_file = Ufopen(rfc822_file_path,"rb");
-    if (mbox_file == NULL)
+    if ((mbox_file = Ufopen(rfc822_file_path, "rb")))
       {
-      log_write(0, LOG_PANIC,
-         "acl_smtp_mime: can't open RFC822 spool file, skipping.");
-      unlink(CS rfc822_file_path);
-      goto END_MIME_ACL;
+      /* set RFC822 expansion variable */
+      mime_is_rfc822 = 1;
+      mime_part_count_buffer = mime_part_count;
+      goto MIME_ACL_CHECK;
       }
-    /* set RFC822 expansion variable */
-    mime_is_rfc822 = 1;
-    mime_part_count_buffer = mime_part_count;
-    goto MIME_ACL_CHECK;
+    log_write(0, LOG_PANIC,
+       "acl_smtp_mime: can't open RFC822 spool file, skipping.");
+    unlink(CS rfc822_file_path);
     }
   }
 
diff --git a/src/src/spam.c b/src/src/spam.c
index dab57ff12..45a06931c 100644
--- a/src/src/spam.c
+++ b/src/src/spam.c
@@ -95,11 +95,8 @@ spam(uschar **listptr)
     spam_ok = 0;
 
   /* if we scanned for this username last time, just return */
-  if ( spam_ok && Ustrcmp(prev_user_name, user_name) == 0)
-    if (override)
-      return OK;
-    else
-      return spam_rc;
+  if (spam_ok && Ustrcmp(prev_user_name, user_name) == 0)
+    return override ? OK : spam_rc;
 
   /* make sure the eml mbox file is spooled up */
   mbox_file = spool_mbox(&mbox_size, NULL);
diff --git a/src/src/transport.c b/src/src/transport.c
index e833894a8..30e4268d1 100644
--- a/src/src/transport.c
+++ b/src/src/transport.c
@@ -1015,7 +1015,6 @@ char sbuf[2048];
 int sread = 0;
 int wwritten = 0;
 uschar *dkim_signature = NULL;
-off_t size = 0;
 
 /* If we can't sign, just call the original function. */
 
@@ -1103,12 +1102,6 @@ if (dkim_private_key && dkim_domain && dkim_selector)
     }
   }
 
-/* Fetch file size */
-size = lseek(dkim_fd, 0, SEEK_END);
-
-/* Rewind file */
-lseek(dkim_fd, 0, SEEK_SET);
-
 #ifdef HAVE_LINUX_SENDFILE
 /* We can use sendfile() to shove the file contents
    to the socket. However only if we don't use TLS,
@@ -1116,8 +1109,13 @@ lseek(dkim_fd, 0, SEEK_SET);
    before the data finally hits the socket. */
 if (tls_out.active != fd)
   {
+  off_t size = lseek(dkim_fd, 0, SEEK_END); /* Fetch file size */
   ssize_t copied = 0;
   off_t offset = 0;
+
+  /* Rewind file */
+  lseek(dkim_fd, 0, SEEK_SET);
+
   while(copied >= 0 && offset < size)
     copied = sendfile(fd, dkim_fd, &offset, size - offset);
   if (copied < 0)
@@ -1125,42 +1123,47 @@ if (tls_out.active != fd)
     save_errno = errno;
     rc = FALSE;
     }
-  goto CLEANUP;
   }
+else
+
 #endif
 
-/* Send file down the original fd */
-while((sread = read(dkim_fd, sbuf, 2048)) > 0)
   {
-  char *p = sbuf;
-  /* write the chunk */
+  /* Rewind file */
+  lseek(dkim_fd, 0, SEEK_SET);
 
-  while (sread)
+  /* Send file down the original fd */
+  while((sread = read(dkim_fd, sbuf, 2048)) > 0)
     {
+    char *p = sbuf;
+    /* write the chunk */
+
+    while (sread)
+      {
 #ifdef SUPPORT_TLS
-    wwritten = tls_out.active == fd
-      ? tls_write(FALSE, US p, sread)
-      : write(fd, p, sread);
+      wwritten = tls_out.active == fd
+	? tls_write(FALSE, US p, sread)
+	: write(fd, p, sread);
 #else
-    wwritten = write(fd, p, sread);
+      wwritten = write(fd, p, sread);
 #endif
-    if (wwritten == -1)
-      {
-      /* error, bail out */
-      save_errno = errno;
-      rc = FALSE;
-      goto CLEANUP;
+      if (wwritten == -1)
+	{
+	/* error, bail out */
+	save_errno = errno;
+	rc = FALSE;
+	goto CLEANUP;
+	}
+      p += wwritten;
+      sread -= wwritten;
       }
-    p += wwritten;
-    sread -= wwritten;
     }
-  }
 
-if (sread == -1)
-  {
-  save_errno = errno;
-  rc = FALSE;
-  goto CLEANUP;
+  if (sread == -1)
+    {
+    save_errno = errno;
+    rc = FALSE;
+    }
   }
 
 CLEANUP:
-- 
2.30.2