X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FMD5.cpp;h=ceab580984d436fb52a760609aea3f5568d0f64d;hb=d3fc10a52532a8da060f8d00a9c545e0a6ce156e;hp=ce99ab6abc8315d30643566a33a3638f17fffe79;hpb=800e6ee52fd32e0b129cbccd811166d7e215e6ad;p=oota-llvm.git

diff --git a/lib/Support/MD5.cpp b/lib/Support/MD5.cpp
index ce99ab6abc8..ceab580984d 100644
--- a/lib/Support/MD5.cpp
+++ b/lib/Support/MD5.cpp
@@ -183,7 +183,7 @@ MD5::MD5()
     : a(0x67452301), b(0xefcdab89), c(0x98badcfe), d(0x10325476), hi(0), lo(0) {
 }
 
-/// Incrementally add \p size of \p data to the hash.
+/// Incrementally add the bytes in \p Data to the hash.
 void MD5::update(ArrayRef<uint8_t> Data) {
   MD5_u32plus saved_lo;
   unsigned long used, free;
@@ -208,20 +208,28 @@ void MD5::update(ArrayRef<uint8_t> Data) {
     memcpy(&buffer[used], Ptr, free);
     Ptr = Ptr + free;
     Size -= free;
-    body(ArrayRef<uint8_t>(buffer, 64));
+    body(makeArrayRef(buffer, 64));
   }
 
   if (Size >= 64) {
-    Ptr = body(ArrayRef<uint8_t>(Ptr, Size & ~(unsigned long) 0x3f));
+    Ptr = body(makeArrayRef(Ptr, Size & ~(unsigned long) 0x3f));
     Size &= 0x3f;
   }
 
   memcpy(buffer, Ptr, Size);
 }
 
+/// Add the bytes in the StringRef \p Str to the hash.
+// Note that this isn't a string and so this won't include any trailing NULL
+// bytes.
+void MD5::update(StringRef Str) {
+  ArrayRef<uint8_t> SVal((const uint8_t *)Str.data(), Str.size());
+  update(SVal);
+}
+
 /// \brief Finish the hash and place the resulting hash into \p result.
 /// \param result is assumed to be a minimum of 16-bytes in size.
-void MD5::final(MD5Result &result) {
+void MD5::final(MD5Result &Result) {
   unsigned long used, free;
 
   used = lo & 0x3f;
@@ -232,7 +240,7 @@ void MD5::final(MD5Result &result) {
 
   if (free < 8) {
     memset(&buffer[used], 0, free);
-    body(ArrayRef<uint8_t>(buffer, 64));
+    body(makeArrayRef(buffer, 64));
     used = 0;
     free = 64;
   }
@@ -249,30 +257,30 @@ void MD5::final(MD5Result &result) {
   buffer[62] = hi >> 16;
   buffer[63] = hi >> 24;
 
-  body(ArrayRef<uint8_t>(buffer, 64));
-
-  result[0] = a;
-  result[1] = a >> 8;
-  result[2] = a >> 16;
-  result[3] = a >> 24;
-  result[4] = b;
-  result[5] = b >> 8;
-  result[6] = b >> 16;
-  result[7] = b >> 24;
-  result[8] = c;
-  result[9] = c >> 8;
-  result[10] = c >> 16;
-  result[11] = c >> 24;
-  result[12] = d;
-  result[13] = d >> 8;
-  result[14] = d >> 16;
-  result[15] = d >> 24;
+  body(makeArrayRef(buffer, 64));
+
+  Result[0] = a;
+  Result[1] = a >> 8;
+  Result[2] = a >> 16;
+  Result[3] = a >> 24;
+  Result[4] = b;
+  Result[5] = b >> 8;
+  Result[6] = b >> 16;
+  Result[7] = b >> 24;
+  Result[8] = c;
+  Result[9] = c >> 8;
+  Result[10] = c >> 16;
+  Result[11] = c >> 24;
+  Result[12] = d;
+  Result[13] = d >> 8;
+  Result[14] = d >> 16;
+  Result[15] = d >> 24;
 }
 
-void MD5::stringifyResult(MD5Result &result, SmallString<32> &Str) {
+void MD5::stringifyResult(MD5Result &Result, SmallString<32> &Str) {
   raw_svector_ostream Res(Str);
   for (int i = 0; i < 16; ++i)
-    Res << format("%.2x", result[i]);
+    Res << format("%.2x", Result[i]);
 }
 
 }