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On 05.01.2016 05:46, Jose Alf. wrote:
> The following patch fixed the issue for me:
>
> --- options.c.old      Tue Dec 22 18:09:39 2015 +++ options.c
> Mon Jan 04 23:14:29 2016 @@ -272,8 +272,11 @@ } else #endif { -
> name=arg1; -        type=CONF_FILE; +        if (arg1) +      { +
> name=arg1; +              type=CONF_FILE; +      } }
>
> #ifdef HAVE_REALPATH

Thank you for reporting this issue.  I made a really dumb mistake.

My patch (restoring the intended control flow) is:

- --- a/src/options.c
+++ b/src/options.c
@@ -227,6 +227,9 @@ int options_cmdline(char *arg1, char *arg2) {
    char *name;
    CONF_TYPE type;

+#ifdef USE_WIN32
+    (void)arg2; /* squash the unused parameter warning */
+#endif
    if(!arg1) {
        name=
#ifdef CONFDIR
@@ -258,9 +261,7 @@ int options_cmdline(char *arg1, char *arg2) {
        log_flush(LOG_MODE_INFO);
        return 2;
    } else
- -#ifdef USE_WIN32
- -    (void)arg2; /* squash the unused parameter warning */
- -#else
+#ifndef USE_WIN32
    if(!strcasecmp(arg1, "-fd")) {
        if(!arg2) {
            s_log(LOG_ERR, "No file descriptor specified");

I have uploaded stunnel-5.29b4 to https://www.stunnel.org/downloads.html

Best regards,
    Mike
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