Remove src/trusted/plugin

src/trusted/plugin/utility.cc

-/*
- * Copyright (c) 2011 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "native_client/src/trusted/plugin/utility.h"
-
-namespace plugin {
-
-int gNaClPluginDebugPrintEnabled = -1;
-FILE* gNaClPluginLogFile = NULL;
-
-/*
- * Prints formatted message to the log.
- */
-int NaClPluginPrintLog(const char *format, ...) {
-  if (NULL == gNaClPluginLogFile) {
-    return 0;
-  }
-  va_list arg;
-  int done;
-  va_start(arg, format);
-  done = vfprintf(gNaClPluginLogFile, format, arg);
-  va_end(arg);
-  fflush(gNaClPluginLogFile);
-  return done;
-}
-
-/*
- * Opens file where plugin log should be written. The file name is
- * taken from NACL_PLUGIN_LOG environment variable.
- * If environment variable doesn't exist or file can't be opened,
- * the function returns stdout.
- */
-FILE* NaClPluginLogFileEnv() {
-  char* file = getenv("NACL_PLUGIN_LOG");
-  if (NULL != file) {
-    FILE* log_file = fopen(file, "w+");
-    if (NULL == log_file) {
-        return stdout;
-    }
-    return log_file;
-  }
-  return stdout;
-}
-
-/*
- * Currently looks for presence of NACL_PLUGIN_DEBUG and returns
- * 0 if absent and 1 if present.  In the future we may include notions
- * of verbosity level.
- */
-int NaClPluginDebugPrintCheckEnv() {
-  char* env = getenv("NACL_PLUGIN_DEBUG");
-  return (NULL != env);
-}
-
-bool IsValidIdentifierString(const char* strval, uint32_t* length) {
-  // This function is supposed to recognize valid ECMAScript identifiers,
-  // as described in
-  // http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf
-  // It is currently restricted to only the ASCII subset.
-  // TODO(sehr): Recognize the full Unicode formulation of identifiers.
-  // TODO(sehr): Make this table-driven if efficiency becomes a problem.
-  if (NULL != length) {
-    *length = 0;
-  }
-  if (NULL == strval) {
-    return false;
-  }
-  static const char* kValidFirstChars =
-      "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz$_";
-  static const char* kValidOtherChars =
-      "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz$_"
-      "0123456789";
-  if (NULL == strchr(kValidFirstChars, strval[0])) {
-    return false;
-  }
-  uint32_t pos;
-  for (pos = 1; ; ++pos) {
-    if (0 == pos) {
-      // Unsigned overflow.
-      return false;
-    }
-    int c = strval[pos];
-    if (0 == c) {
-      break;
-    }
-    if (NULL == strchr(kValidOtherChars, c)) {
-      return false;
-    }
-  }
-  if (NULL != length) {
-    *length = pos;
-  }
-  return true;
-}
-
-}  // namespace plugin