1 files changed, 24 insertions, 0 deletions
diff --git a/contrib/sendmail/test/t_snprintf.c b/contrib/sendmail/test/t_snprintf.c
new file mode 100644
index 0000000..4789f49
--- /dev/null
+++ b/contrib/sendmail/test/t_snprintf.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <sysexits.h>
+
+#define TEST_STRING	"1234567890"
+
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	int r;
+	char buf[5];
+
+	r = snprintf(buf, sizeof buf, "%s", TEST_STRING);
+
+	if (buf[sizeof buf - 1] != '\0')
+	{
+		fprintf(stderr, "Add the following to devtools/Site/site.config.m4:\n\n");
+		fprintf(stderr, "APPENDDEF(`confENVDEF', `-DSNPRINTF_IS_BROKEN=1')\n\n");
+		exit(EX_OSERR);
+	}
+	fprintf(stderr, "snprintf() appears to work properly\n");
+	exit(EX_OK);
+}