Fix a pile of identBuf parsing issues that occur if you forget an argument for a specific buf type

git-svn-id: file:///home/svn/framework3/trunk@6970 4d416f70-5f16-0410-b530-b9f4589650da

external/source/byakugan/exts.cpp

@@ -194,6 +194,9 @@ HRESULT CALLBACK jutsu(PDEBUG_CLIENT4 Client, PCSTR args) {
 				dprintf("[Byakugan] This command requires a buffer type, name, (sometimes) value, and size\n");
 				return (S_OK);
 			}
+			if (bufSize == NULL)
+				identBufJutsu(bufType, bufName, bufPatt, 0);
+			else
 				identBufJutsu(bufType, bufName, bufPatt, strtoul(bufSize, NULL, 10));
 			return (S_OK);
 		}

external/source/byakugan/jutsu.cpp

@@ -533,6 +533,7 @@ void identBufJutsu(char *inputType, char *bufName, char *bufPatt, DWORD size) {
 		readSize = readFileIntoBuf(bufPatt, size, &(newTrackedBuf->bufPatt));
 		if ((size && readSize != size) || readSize == 0) {
 			dprintf("[J] Unable to read %d bytes from %s\n", size, bufName);
+			dprintf("\nThis command requires a buffer type, name, (sometimes) value, and size - maybe you forgot one?\n");
 			return;
 		}
 		size = (size ? size : readSize);

external/source/byakugan/stdwindbg.cpp

@@ -297,7 +297,7 @@ DWORD readFileIntoBuf(char *path, DWORD size, char **output) {
     if((inputFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
                             FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE) {
         dprintf("[S] Unable to open file: %s\n", path);
-        return (-1);
+        return (0);
     }
 	if (size == 0)
 		size = GetFileSize(inputFile, NULL) - 1;