1 files changed, 30 insertions, 0 deletions
diff --git a/strtoupper.c b/strtoupper.c
new file mode 100644
index 0000000..d22da79
--- /dev/null
+++ b/strtoupper.c
@@ -0,0 +1,30 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+extern inline char *libsimple_strtoupper(char *, const char *);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	char buf[100];
+
+	stpcpy(buf, "abcdeABCDE12345");
+	assert(!strcmpnul(libsimple_strtoupper(&buf[3], &buf[0]), "ABCDEABCDE12345"));
+	assert(!strcmp(buf, "abcABCDEABCDE12345"));
+	stpcpy(buf, "abcdeABCDE12345");
+	assert(!strcmpnul(libsimple_strtoupper(&buf[0], &buf[3]), "DEABCDE12345"));
+	assert(!strcmp(buf, "DEABCDE12345"));
+	stpcpy(buf, "abcdeABCDE12345");
+	assert(!strcmpnul(libsimple_strtoupper(&buf[0], &buf[0]), "ABCDEABCDE12345"));
+	assert(!strcmp(buf, "ABCDEABCDE12345"));
+
+	return 0;
+}
+
+#endif