From: Steve Holme <steve_holme@hotmail.com>
Date: Wed, 31 Dec 2014 15:58:07 +0000 (+0000)
Subject: endian: Added 16-bit integer write function
X-Git-Tag: curl-7_40_0~44
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5eae12fc804c677bc413a49c7bddaff30d249c9e;p=thirdparty%2Fcurl.git

endian: Added 16-bit integer write function
---

diff --git a/lib/curl_endian.c b/lib/curl_endian.c
index 41202d73d9..2d291c84cf 100644
--- a/lib/curl_endian.c
+++ b/lib/curl_endian.c
@@ -62,6 +62,23 @@ unsigned int Curl_read32_le(unsigned char *buf)
          ((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
 }
 
+/*
+ * Curl_write16_le()
+ *
+ * This function converts a 16-bit integer from the native endian format,
+ * to little endian format ready for sending down the wire.
+ *
+ * Parameters:
+ *
+ * value    [in]     - The 16-bit integer value.
+ * buffer   [in]     - A pointer to the output buffer.
+ */
+void Curl_write16_le(const short value, unsigned char *buffer)
+{
+  buffer[0] = (char)(value & 0x00FF);
+  buffer[1] = (char)((value & 0xFF00) >> 8);
+}
+
 /*
  * Curl_write32_le()
  *
diff --git a/lib/curl_endian.h b/lib/curl_endian.h
index a8811c9409..79eb3e8f63 100644
--- a/lib/curl_endian.h
+++ b/lib/curl_endian.h
@@ -28,6 +28,9 @@ unsigned short Curl_read16_le(unsigned char *buf);
 /* Converts a 32-bit integer from little endian */
 unsigned int Curl_read32_le(unsigned char *buf);
 
+/* Converts a 16-bit integer to little endian */
+void Curl_write16_le(const short value, unsigned char *buffer);
+
 /* Converts a 32-bit integer to little endian */
 void Curl_write32_le(const int value, unsigned char *buffer);