--- a/jdk/make/launcher/Launcher-jdk.pack200.gmk	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/make/launcher/Launcher-jdk.pack200.gmk	Fri Mar 20 10:02:44 2015 -0700
@@ -79,9 +79,6 @@
     CFLAGS_linux := -fPIC, \
     CFLAGS_solaris := -KPIC, \
     CFLAGS_macosx := -fPIC, \
-    DISABLED_WARNINGS_gcc := sign-compare unused-result format-nonliteral \
-        format-security parentheses, \
-    DISABLED_WARNINGS_microsoft := 4267 4018, \
     MAPFILE := $(UNPACK_MAPFILE),\
     LDFLAGS := $(UNPACKEXE_ZIPOBJS) \
         $(LDFLAGS_JDKEXE) $(LDFLAGS_CXX_JDK) \

--- a/jdk/make/lib/Lib-jdk.pack200.gmk	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/make/lib/Lib-jdk.pack200.gmk	Fri Mar 20 10:02:44 2015 -0700
@@ -40,11 +40,6 @@
         -I$(JDK_TOPDIR)/src/jdk.pack200/share/native/common-unpack \
         $(LIBJAVA_HEADER_FLAGS), \
     CFLAGS_release := -DPRODUCT, \
-    DISABLED_WARNINGS_gcc := conversion-null sign-compare format-security \
-        format-nonliteral parentheses, \
-    DISABLED_WARNINGS_clang := bool-conversion format-security, \
-    DISABLED_WARNINGS_solstudio := truncwarn, \
-    DISABLED_WARNINGS_microsoft := 4267 4018, \
     MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libunpack/mapfile-vers, \
     LDFLAGS := $(LDFLAGS_JDKLIB) $(LDFLAGS_CXX_JDK) \
         $(call SET_SHARED_LIBRARY_ORIGIN), \

--- a/jdk/src/jdk.pack200/share/native/common-unpack/bytes.h	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/common-unpack/bytes.h	Fri Mar 20 10:02:44 2015 -0700
@@ -63,7 +63,7 @@
     bytes res;
     res.ptr = ptr + beg;
     res.len = end - beg;
-    assert(res.len == 0 || inBounds(res.ptr) && inBounds(res.limit()-1));
+    assert(res.len == 0 || (inBounds(res.ptr) && inBounds(res.limit()-1)));
     return res;
   }
   // building C strings inside byte buffers:

--- a/jdk/src/jdk.pack200/share/native/common-unpack/unpack.cpp	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/common-unpack/unpack.cpp	Fri Mar 20 10:02:44 2015 -0700
@@ -225,9 +225,9 @@
   }
 
 #ifdef PRODUCT
-  char* string() { return 0; }
+  const char* string() { return NULL; }
 #else
-  char* string();  // see far below
+  const char* string();  // see far below
 #endif
 };
 
@@ -718,13 +718,13 @@
   // Now we can size the whole archive.
   // Read everything else into a mega-buffer.
   rp = hdr.rp;
-  int header_size_0 = (int)(rp - input.base()); // used-up header (4byte + 3int)
-  int header_size_1 = (int)(rplimit - rp);      // buffered unused initial fragment
-  int header_size   = header_size_0+header_size_1;
+  size_t header_size_0 = (rp - input.base()); // used-up header (4byte + 3int)
+  size_t header_size_1 = (rplimit - rp);      // buffered unused initial fragment
+  size_t header_size   = header_size_0 + header_size_1;
   unsized_bytes_read = header_size_0;
   CHECK;
   if (foreign_buf) {
-    if (archive_size > (size_t)header_size_1) {
+    if (archive_size > header_size_1) {
       abort("EOF reading fixed input buffer");
       return;
     }
@@ -738,7 +738,7 @@
       return;
     }
     input.set(U_NEW(byte, add_size(header_size_0, archive_size, C_SLOP)),
-              (size_t) header_size_0 + archive_size);
+              header_size_0 + archive_size);
     CHECK;
     assert(input.limit()[0] == 0);
     // Move all the bytes we read initially into the real buffer.
@@ -961,13 +961,13 @@
   nentries = next_entry;
 
   // place a limit on future CP growth:
-  int generous = 0;
+  size_t generous = 0;
   generous = add_size(generous, u->ic_count); // implicit name
   generous = add_size(generous, u->ic_count); // outer
   generous = add_size(generous, u->ic_count); // outer.utf8
   generous = add_size(generous, 40); // WKUs, misc
   generous = add_size(generous, u->class_count); // implicit SourceFile strings
-  maxentries = add_size(nentries, generous);
+  maxentries = (uint)add_size(nentries, generous);
 
   // Note that this CP does not include "empty" entries
   // for longs and doubles.  Those are introduced when
@@ -985,8 +985,9 @@
   }
 
   // Initialize *all* our entries once
-  for (int i = 0 ; i < maxentries ; i++)
+  for (uint i = 0 ; i < maxentries ; i++) {
     entries[i].outputIndex = REQUESTED_NONE;
+  }
 
   initGroupIndexes();
   // Initialize hashTab to a generous power-of-two size.
@@ -3680,21 +3681,22 @@
 
 unpacker* debug_u;
 
-static bytes& getbuf(int len) {  // for debugging only!
+static bytes& getbuf(size_t len) {  // for debugging only!
   static int bn = 0;
   static bytes bufs[8];
   bytes& buf = bufs[bn++ & 7];
-  while ((int)buf.len < len+10)
+  while (buf.len < len + 10) {
     buf.realloc(buf.len ? buf.len * 2 : 1000);
+  }
   buf.ptr[0] = 0;  // for the sake of strcat
   return buf;
 }
 
-char* entry::string() {
+const char* entry::string() {
   bytes buf;
   switch (tag) {
   case CONSTANT_None:
-    return (char*)"<empty>";
+    return "<empty>";
   case CONSTANT_Signature:
     if (value.b.ptr == null)
       return ref(0)->string();
@@ -3714,26 +3716,28 @@
     break;
   default:
     if (nrefs == 0) {
-      buf = getbuf(20);
-      sprintf((char*)buf.ptr, TAG_NAME[tag]);
+      return TAG_NAME[tag];
     } else if (nrefs == 1) {
       return refs[0]->string();
     } else {
-      char* s1 = refs[0]->string();
-      char* s2 = refs[1]->string();
-      buf = getbuf((int)strlen(s1) + 1 + (int)strlen(s2) + 4 + 1);
+      const char* s1 = refs[0]->string();
+      const char* s2 = refs[1]->string();
+      buf = getbuf(strlen(s1) + 1 + strlen(s2) + 4 + 1);
       buf.strcat(s1).strcat(" ").strcat(s2);
       if (nrefs > 2)  buf.strcat(" ...");
     }
   }
-  return (char*)buf.ptr;
+  return (const char*)buf.ptr;
 }
 
 void print_cp_entry(int i) {
   entry& e = debug_u->cp.entries[i];
-  char buf[30];
-  sprintf(buf, ((uint)e.tag < CONSTANT_Limit)? TAG_NAME[e.tag]: "%d", e.tag);
-  printf(" %d\t%s %s\n", i, buf, e.string());
+
+  if ((uint)e.tag < CONSTANT_Limit) {
+    printf(" %d\t%s %s\n", i, TAG_NAME[e.tag], e.string());
+  } else {
+    printf(" %d\t%d %s\n", i, e.tag, e.string());
+  }
 }
 
 void print_cp_entries(int beg, int end) {

--- a/jdk/src/jdk.pack200/share/native/common-unpack/unpack.h	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/common-unpack/unpack.h	Fri Mar 20 10:02:44 2015 -0700
@@ -210,7 +210,7 @@
   byte*     rp;          // read pointer (< rplimit <= input.limit())
   byte*     rplimit;     // how much of the input block has been read?
   julong    bytes_read;
-  int       unsized_bytes_read;
+  size_t    unsized_bytes_read;
 
   // callback to read at least one byte, up to available input
   typedef jlong (*read_input_fn_t)(unpacker* self, void* buf, jlong minlen, jlong maxlen);

--- a/jdk/src/jdk.pack200/share/native/common-unpack/utils.cpp	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/common-unpack/utils.cpp	Fri Mar 20 10:02:44 2015 -0700
@@ -81,7 +81,7 @@
 int assert_failed(const char* p) {
   char message[1<<12];
   sprintf(message, "@assert failed: %s\n", p);
-  fprintf(stdout, 1+message);
+  fprintf(stdout, "%s", 1+message);
   breakpoint();
   unpack_abort(message);
   return 0;

--- a/jdk/src/jdk.pack200/share/native/common-unpack/zip.cpp	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/common-unpack/zip.cpp	Fri Mar 20 10:02:44 2015 -0700
@@ -84,7 +84,7 @@
 }
 
 // Write data to the ZIP output stream.
-void jar::write_data(void* buff, int len) {
+void jar::write_data(void* buff, size_t len) {
   while (len > 0) {
     int rc = (int)fwrite(buff, 1, len, jarfp);
     if (rc <= 0) {
@@ -323,12 +323,12 @@
     // Total number of disks (int)
     header64[36] = (ushort)SWAP_BYTES(1);
     header64[37] = 0;
-    write_data(header64, (int)sizeof(header64));
+    write_data(header64, sizeof(header64));
   }
 
   // Write the End of Central Directory structure.
   PRINTCR((2, "end-of-directory at %d\n", output_file_offset));
-  write_data(header, (int)sizeof(header));
+  write_data(header, sizeof(header));
 
   PRINTCR((2, "writing zip comment\n"));
   // Write the comment.
@@ -590,7 +590,7 @@
   zstream = NEW(z_stream, 1);
   u->gzin = this;
   u->read_input_fn = read_input_via_gzip;
-  u->gzcrc = crc32(0L, Z_NULL, 0);
+  u->gzcrc = crc32(0, Z_NULL, 0);
 }
 
 void gunzip::start(int magic) {

--- a/jdk/src/jdk.pack200/share/native/common-unpack/zip.h	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/common-unpack/zip.h	Fri Mar 20 10:02:44 2015 -0700
@@ -68,8 +68,8 @@
   }
 
   // Private Methods
-  void write_data(void* ptr, int len);
-  void write_data(bytes& b) { write_data(b.ptr, (int)b.len); }
+  void write_data(void* ptr, size_t len);
+  void write_data(bytes& b) { write_data(b.ptr, b.len); }
   void add_to_jar_directory(const char* fname, bool store, int modtime,
                             int len, int clen, uLong crc);
   void write_jar_header(const char* fname, bool store, int modtime,

--- a/jdk/src/jdk.pack200/share/native/libunpack/jni.cpp	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/libunpack/jni.cpp	Fri Mar 20 10:02:44 2015 -0700
@@ -292,7 +292,7 @@
 
   if (uPtr->aborting()) {
     THROW_IOE(uPtr->get_abort_message());
-    return false;
+    return null;
   }
 
   // We have fetched all the files.
@@ -310,7 +310,7 @@
 JNIEXPORT jlong JNICALL
 Java_com_sun_java_util_jar_pack_NativeUnpack_finish(JNIEnv *env, jobject pObj) {
   unpacker* uPtr = get_unpacker(env, pObj, false);
-  CHECK_EXCEPTION_RETURN_VALUE(uPtr, NULL);
+  CHECK_EXCEPTION_RETURN_VALUE(uPtr, 0);
   size_t consumed = uPtr->input_consumed();
   free_unpacker(env, pObj, uPtr);
   return consumed;
@@ -320,6 +320,7 @@
 Java_com_sun_java_util_jar_pack_NativeUnpack_setOption(JNIEnv *env, jobject pObj,
                                        jstring pProp, jstring pValue) {
   unpacker*   uPtr  = get_unpacker(env, pObj);
+  CHECK_EXCEPTION_RETURN_VALUE(uPtr, false);
   const char* prop  = env->GetStringUTFChars(pProp, JNI_FALSE);
   CHECK_EXCEPTION_RETURN_VALUE(prop, false);
   const char* value = env->GetStringUTFChars(pValue, JNI_FALSE);

--- a/jdk/src/jdk.pack200/share/native/unpack200/main.cpp	Fri Mar 20 10:00:30 2015 -0700
+++ b/jdk/src/jdk.pack200/share/native/unpack200/main.cpp	Fri Mar 20 10:02:44 2015 -0700
@@ -149,31 +149,28 @@
   return progname;
 }
 
-static const char* usage_lines[] = {
-  "Usage:  %s [-opt... | --option=value]... x.pack[.gz] y.jar\n",
-    "\n",
-    "Unpacking Options\n",
-    "  -H{h}, --deflate-hint={h}     override transmitted deflate hint: true, false, or keep (default)\n",
-    "  -r, --remove-pack-file        remove input file after unpacking\n",
-    "  -v, --verbose                 increase program verbosity\n",
-    "  -q, --quiet                   set verbosity to lowest level\n",
-    "  -l{F}, --log-file={F}         output to the given log file, or '-' for standard output (default)\n",
-    "  -?, -h, --help                print this message\n",
-    "  -V, --version                 print program version\n",
-    "  -J{X}                         Java VM argument (ignored)\n",
-    null
-};
+#define USAGE_HEADER "Usage:  %s [-opt... | --option=value]... x.pack[.gz] y.jar\n"
+#define USAGE_OPTIONS \
+    "\n" \
+    "Unpacking Options\n" \
+    "  -H{h}, --deflate-hint={h}     override transmitted deflate hint: true, false, or keep (default)\n" \
+    "  -r, --remove-pack-file        remove input file after unpacking\n" \
+    "  -v, --verbose                 increase program verbosity\n" \
+    "  -q, --quiet                   set verbosity to lowest level\n" \
+    "  -l{F}, --log-file={F}         output to the given log file, or '-' for standard output (default)\n" \
+    "  -?, -h, --help                print this message\n" \
+    "  -V, --version                 print program version\n" \
+    "  -J{X}                         Java VM argument (ignored)\n"
 
 static void usage(unpacker* u, const char* progname, bool full = false) {
   // WinMain does not set argv[0] to the progrname
   progname = (progname != null) ? nbasename(progname) : "unpack200";
-  for (int i = 0; usage_lines[i] != null; i++) {
-    fprintf(u->errstrm, usage_lines[i], progname);
-    if (!full) {
-      fprintf(u->errstrm,
-              "(For more information, run %s --help .)\n", progname);
-      break;
-    }
+
+  fprintf(u->errstrm, USAGE_HEADER, progname);
+  if (full) {
+    fprintf(u->errstrm, USAGE_OPTIONS);
+  } else {
+    fprintf(u->errstrm, "(For more information, run %s --help .)\n", progname);
   }
 }