cups/cups-logrotate.patch

diff -up cups-2.1b1/scheduler/log.c.logrotate cups-2.1b1/scheduler/log.c
--- cups-2.1b1/scheduler/log.c.logrotate	2015-06-04 20:00:31.000000000 +0200
+++ cups-2.1b1/scheduler/log.c	2015-06-29 13:25:09.623350218 +0200
@@ -26,6 +26,9 @@
 #  include <systemd/sd-journal.h>
 #endif /* HAVE_ASL_H */
 #include <syslog.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 
 /*
@@ -135,12 +138,10 @@ cupsdCheckLogFile(cups_file_t **lf,	/* I
   }
 
  /*
-  * Format the filename as needed...
+  * Format the filename...
   */
 
-  if (!*lf ||
-      (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize &&
-       MaxLogSize > 0))
+  if (strncmp(logname, "/dev/", 5))
   {
    /*
     * Handle format strings...
@@ -254,6 +255,34 @@ cupsdCheckLogFile(cups_file_t **lf,	/* I
      /*
       * Change ownership and permissions of non-device logs...
       */
+
+      fchown(cupsFileNumber(*lf), RunUser, Group);
+      fchmod(cupsFileNumber(*lf), LogFilePerm);
+    }
+  }
+
+ /*
+  * Has someone else (i.e. logrotate) already rotated the log for us?
+  */
+  else if (strncmp(filename, "/dev/", 5))
+  {
+    struct stat st;
+    if (stat(filename, &st) || st.st_size == 0)
+    {
+      /* File is either missing or has zero size. */
+
+      cupsFileClose(*lf);
+      if ((*lf = cupsFileOpen(filename, "a")) == NULL)
+      {
+	syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename,
+             strerror(errno));
+
+	return (0);
+      }
+
+     /*
+      * Change ownership and permissions of non-device logs...
+      */
 
       fchown(cupsFileNumber(*lf), RunUser, Group);
       fchmod(cupsFileNumber(*lf), LogFilePerm);