debug: factor out a function that opens and closes the new and old logfile

The new function reopen_one_log() will also be used for per-class
logfiles in subsequent commmits.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/lib/util/debug.c b/lib/util/debug.c
index 38bfe7b9b4a2aea4968bd439d0ec740d15cd4b65..4318bffa732a46b555a8694ab0bda8fc27600b39 100644 (file)
--- a/lib/util/debug.c
+++ b/lib/util/debug.c
@@ -1043,6 +1043,27 @@ static void debug_callback_log(const char *msg, int msg_level)
  Fix from dgibson@linuxcare.com.
 **************************************************************************/
 
+static bool reopen_one_log(int *fd, const char *logfile)
+{
+       int old_fd = *fd;
+       int new_fd;
+
+       new_fd = open(logfile, O_WRONLY|O_APPEND|O_CREAT, 0644);
+       if (new_fd == -1) {
+               log_overflow = true;
+               DBG_ERR("Unable to open new log file '%s': %s\n",
+                       logfile, strerror(errno));
+               log_overflow = false;
+               return false;
+       }
+
+       debug_close_fd(old_fd);
+       smb_set_close_on_exec(new_fd);
+       *fd = new_fd;
+
+       return true;
+}
+
 /**
   reopen the log file (usually called because the log file name might have changed)
 */
@@ -1050,8 +1071,7 @@ bool reopen_logs_internal(void)
 {
        mode_t oldumask;
        int new_fd = 0;
-       int old_fd = 0;
-       bool ret = true;
+       bool ok;
 
        if (state.reopening_logs) {
                return true;
@@ -1087,19 +1107,7 @@ bool reopen_logs_internal(void)
 
        state.reopening_logs = true;
 
-       new_fd = open( state.debugf, O_WRONLY|O_APPEND|O_CREAT, 0644);
-
-       if (new_fd == -1) {
-               log_overflow = true;
-               DEBUG(0, ("Unable to open new log file '%s': %s\n", state.debugf, strerror(errno)));
-               log_overflow = false;
-               ret = false;
-       } else {
-               smb_set_close_on_exec(new_fd);
-               old_fd = state.fd;
-               state.fd = new_fd;
-               debug_close_fd(old_fd);
-       }
+       ok = reopen_one_log(&state.fd, state.debugf);
 
        /* Fix from klausr@ITAP.Physik.Uni-Stuttgart.De
         * to fix problem where smbd's that generate less
@@ -1124,7 +1132,7 @@ bool reopen_logs_internal(void)
 
        state.reopening_logs = false;
 
-       return ret;
+       return ok;
 }
 
 /**************************************************************************