From: Sami Kerola <kerolasa@iki.fi>
Date: Fri, 21 Jan 2011 23:14:52 +0000 (+0100)
Subject: After fopen in ouput ioctl does like /dev/null which cause
X-Git-Tag: v2.13^0
X-Git-Url: http://git.asbjorn.it/?p=debian%2Fdhcpd-pools.git;a=commitdiff_plain;h=ff572a4a55cd3d693d5e5b3f0a9757b6b9088017

After fopen in ouput ioctl does like /dev/null which cause
ENOTTY, and clean_up will see that without this reset. At least
linux does this, and possibly some other systems. There's a
report from FreeBSD 8.0 which matches quite well with the
symptom.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/src/dhcpd-pools.c b/src/dhcpd-pools.c
index a27724d..717743d 100644
--- a/src/dhcpd-pools.c
+++ b/src/dhcpd-pools.c
@@ -36,6 +36,7 @@ extern char *malloc();
 #include <strings.h>
 #endif
 #include <getopt.h>
+#include <errno.h>
 
 #include "dhcpd-pools.h"
 #include "defaults.h"
@@ -262,6 +263,13 @@ int main(int argc, char **argv)
 	}
 	free(tmp_ranges);
 	output_analysis();
+	/* After fopen in ouput ioctl does like /dev/null which
+	 * cause ENOTTY, and clean_up will see that without this
+	 * reset. At least linux does this, and possibly some
+	 * other systems. There's a report from FreeBSD 8.0 which
+	 * matches quite well with the symptom. */
+	if (errno == 25)
+		errno = 0;
 
 	if ((config.output_format[0] == 'x')
 	    || (config.output_format[0] == 'X')) {