1 files changed, 38 insertions, 0 deletions
diff --git a/putenvf.c b/putenvf.c
new file mode 100644
index 0000000..45628ba
--- /dev/null
+++ b/putenvf.c
@@ -0,0 +1,38 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+extern inline int libsimple_putenvf(const char *, ...);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	unsetenv("X");
+	assert(!getenv("X"));
+	unsetenv("Y");
+	assert(!getenv("Y"));
+
+	putenvf("X=xyz");
+	assert(!strcmpnul(getenv("X"), "xyz"));
+	putenvf("Y=xyz");
+	assert(!strcmpnul(getenv("Y"), "xyz"));
+
+	putenvf("X=x%sz", "abc");
+	assert(!strcmpnul(getenv("X"), "xabcz"));
+	putenvf("Y=x%sz", "abc");
+	assert(!strcmpnul(getenv("Y"), "xabcz"));
+
+	putenvf("X=%ix%sz%i", 10, "abc", -11);
+	assert(!strcmpnul(getenv("X"), "10xabcz-11"));
+	putenvf("Y=%ix%sz%i", 10, "abc", -11);
+	assert(!strcmpnul(getenv("Y"), "10xabcz-11"));
+
+	return 0;
+}
+
+#endif