First commitHEAD1.0master

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 60 insertions, 0 deletions

diff --git a/libutf8_encode.c b/libutf8_encode.c
new file mode 100644
index 0000000..ab8567e
--- /dev/null
+++ b/libutf8_encode.c
@@ -0,0 +1,60 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+size_t
+libutf8_encode(char *out_buffer, uint_least32_t codepoint)
+{
+	size_t n = libutf8_encode_measure(codepoint);
+	ENCODE(n);
+	return n;
+}
+
+
+#else
+
+
+int
+main(void)
+{
+	/* Already mostly tested in libutf8_encode_measure */
+
+	uint_least32_t cp;
+	char buf[128];
+	char ones[128];
+	unsigned char bit;
+	size_t i, n;
+
+	SET_UP_TEST();
+
+	memset(ones, 255, sizeof(ones));
+
+	for (cp = 0u; cp < (uint_least32_t)0x200000ul; cp++) {
+		memset(buf, 255, sizeof(buf));
+		n = libutf8_encode(buf, cp);
+		assert(!memcmp(&buf[n], ones, sizeof(buf) - n));
+
+		for (i = 1u; i < n; i++)
+			assert(((unsigned char)buf[i] & 0xC0u) == 0x80u);
+
+		if (n == 1u) {
+			assert(((unsigned char)buf[0u] & 0x80u) == 0x00u);
+			continue;
+		}
+
+		bit = (unsigned char)0x80u;
+		for (i = 0u; i < n; i++, bit >>= 1)
+			assert((unsigned char)buf[0u] & bit);
+		assert(!((unsigned char)buf[0u] & bit));
+	}
+
+	memset(buf, 255, sizeof(buf));
+	assert(libutf8_encode(buf, (uint_least32_t)1 << 31) == 0u);
+	assert(!memcmp(buf, ones, sizeof(buf)));
+
+	return 0;
+}
+
+
+#endif