[exim-dev] [Bug 2368] New: Exim 4.91-RC4 compile warning for…

https://bugs.exim.org/show_bug.cgi?id=2368

            Bug ID: 2368
           Summary: Exim 4.91-RC4 compile warning for unused result
           Product: Exim
           Version: 4.91
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Unfiled
          Assignee: nigel@???
          Reporter: mike@???
                CC: exim-dev@???

Exim 4.91-RC4 on Ubuntu 16.04 LTS generates warning for un-used result in
SIGUSR1 handler.

Proposed fix:

root@relay2:~/exim-4.92-RC4/src# diff exim.c exim.c-orig
247,252c247,250
< if (fd >= 0)
<   {
<     /* hack to avoid GCC warning for unused result */
<     ssize_t dummy1 = write(fd, process_info, process_info_len);
<     int dummy2 = close(fd);
<   }
---

> if (fd < 0) return;
>
> (void)write(fd, process_info, process_info_len);
> (void)close(fd);
root@relay2:~/exim-4.92-RC4/src#

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