1 files changed, 441 insertions, 0 deletions
diff --git a/xpcom/glue/nsCRTGlue.cpp b/xpcom/glue/nsCRTGlue.cpp
new file mode 100644
index 000000000..7a9f6db03
--- /dev/null
+++ b/xpcom/glue/nsCRTGlue.cpp
@@ -0,0 +1,441 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsCRTGlue.h"
+#include "nsXPCOM.h"
+#include "nsDebug.h"
+#include "prtime.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "mozilla/Sprintf.h"
+
+#ifdef XP_WIN
+#include <io.h>
+#include <windows.h>
+#include "mozilla/UniquePtr.h"
+#endif
+
+#ifdef ANDROID
+#include <android/log.h>
+#include <unistd.h>
+#endif
+
+using namespace mozilla;
+
+const char*
+NS_strspnp(const char* aDelims, const char* aStr)
+{
+  const char* d;
+  do {
+    for (d = aDelims; *d != '\0'; ++d) {
+      if (*aStr == *d) {
+        ++aStr;
+        break;
+      }
+    }
+  } while (*d);
+
+  return aStr;
+}
+
+char*
+NS_strtok(const char* aDelims, char** aStr)
+{
+  if (!*aStr) {
+    return nullptr;
+  }
+
+  char* ret = (char*)NS_strspnp(aDelims, *aStr);
+
+  if (!*ret) {
+    *aStr = ret;
+    return nullptr;
+  }
+
+  char* i = ret;
+  do {
+    for (const char* d = aDelims; *d != '\0'; ++d) {
+      if (*i == *d) {
+        *i = '\0';
+        *aStr = ++i;
+        return ret;
+      }
+    }
+    ++i;
+  } while (*i);
+
+  *aStr = nullptr;
+  return ret;
+}
+
+uint32_t
+NS_strlen(const char16_t* aString)
+{
+  MOZ_ASSERT(aString);
+  const char16_t* end;
+
+  for (end = aString; *end; ++end) {
+    // empty loop
+  }
+
+  return end - aString;
+}
+
+int
+NS_strcmp(const char16_t* aStrA, const char16_t* aStrB)
+{
+  while (*aStrB) {
+    int r = *aStrA - *aStrB;
+    if (r) {
+      return r;
+    }
+
+    ++aStrA;
+    ++aStrB;
+  }
+
+  return *aStrA != '\0';
+}
+
+int
+NS_strncmp(const char16_t* aStrA, const char16_t* aStrB, size_t aLen)
+{
+  while (aLen && *aStrB) {
+    int r = *aStrA - *aStrB;
+    if (r) {
+      return r;
+    }
+
+    ++aStrA;
+    ++aStrB;
+    --aLen;
+  }
+
+  return aLen ? *aStrA != '\0' : *aStrA - *aStrB;
+}
+
+char16_t*
+NS_strdup(const char16_t* aString)
+{
+  uint32_t len = NS_strlen(aString);
+  return NS_strndup(aString, len);
+}
+
+template<typename CharT>
+CharT*
+NS_strndup(const CharT* aString, uint32_t aLen)
+{
+  auto newBuf = (CharT*)NS_Alloc((aLen + 1) * sizeof(CharT));
+  if (newBuf) {
+    memcpy(newBuf, aString, aLen * sizeof(CharT));
+    newBuf[aLen] = '\0';
+  }
+  return newBuf;
+}
+
+template char16_t* NS_strndup<char16_t>(const char16_t* aString, uint32_t aLen);
+template char* NS_strndup<char>(const char* aString, uint32_t aLen);
+
+char*
+NS_strdup(const char* aString)
+{
+  uint32_t len = strlen(aString);
+  char* str = (char*)NS_Alloc(len + 1);
+  if (str) {
+    memcpy(str, aString, len);
+    str[len] = '\0';
+  }
+  return str;
+}
+
+// This table maps uppercase characters to lower case characters;
+// characters that are neither upper nor lower case are unaffected.
+const unsigned char nsLowerUpperUtils::kUpper2Lower[256] = {
+    0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
+   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+   64,
+
+    // upper band mapped to lower [A-Z] => [a-z]
+       97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
+  112,113,114,115,116,117,118,119,120,121,122,
+
+                                               91, 92, 93, 94, 95,
+   96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
+  112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
+  128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
+  144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
+  160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
+  176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
+  192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
+  208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
+  224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
+  240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
+};
+
+const unsigned char nsLowerUpperUtils::kLower2Upper[256] = {
+    0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
+   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+   64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+   80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
+   96,
+
+    // lower band mapped to upper [a-z] => [A-Z]
+       65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+   80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
+
+                                              123,124,125,126,127,
+  128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
+  144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
+  160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
+  176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
+  192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
+  208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
+  224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
+  240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
+};
+
+bool
+NS_IsUpper(char aChar)
+{
+  return aChar != (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
+}
+
+bool
+NS_IsLower(char aChar)
+{
+  return aChar != (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
+}
+
+bool
+NS_IsAscii(char16_t aChar)
+{
+  return (0x0080 > aChar);
+}
+
+bool
+NS_IsAscii(const char16_t* aString)
+{
+  while (*aString) {
+    if (0x0080 <= *aString) {
+      return false;
+    }
+    aString++;
+  }
+  return true;
+}
+
+bool
+NS_IsAscii(const char* aString)
+{
+  while (*aString) {
+    if (0x80 & *aString) {
+      return false;
+    }
+    aString++;
+  }
+  return true;
+}
+
+bool
+NS_IsAscii(const char* aString, uint32_t aLength)
+{
+  const char* end = aString + aLength;
+  while (aString < end) {
+    if (0x80 & *aString) {
+      return false;
+    }
+    ++aString;
+  }
+  return true;
+}
+
+bool
+NS_IsAsciiAlpha(char16_t aChar)
+{
+  return (aChar >= 'A' && aChar <= 'Z') ||
+         (aChar >= 'a' && aChar <= 'z');
+}
+
+bool
+NS_IsAsciiWhitespace(char16_t aChar)
+{
+  return aChar == ' ' ||
+         aChar == '\r' ||
+         aChar == '\n' ||
+         aChar == '\t';
+}
+
+bool
+NS_IsAsciiDigit(char16_t aChar)
+{
+  return aChar >= '0' && aChar <= '9';
+}
+
+#ifndef XPCOM_GLUE_AVOID_NSPR
+
+void
+NS_MakeRandomString(char* aBuf, int32_t aBufLen)
+{
+#define TABLE_SIZE 36
+  static const char table[] = {
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
+    'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+    'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
+    '4', '5', '6', '7', '8', '9'
+  };
+
+  // turn PR_Now() into milliseconds since epoch
+  // and salt rand with that.
+  static unsigned int seed = 0;
+  if (seed == 0) {
+    double fpTime = double(PR_Now());
+    seed = (unsigned int)(fpTime * 1e-6 + 0.5); // use 1e-6, granularity of PR_Now() on the mac is seconds
+    srand(seed);
+  }
+
+  int32_t i;
+  for (i = 0; i < aBufLen; ++i) {
+    *aBuf++ = table[rand() % TABLE_SIZE];
+  }
+  *aBuf = 0;
+}
+
+#endif
+
+static StderrCallback sStderrCallback = nullptr;
+
+void
+set_stderr_callback(StderrCallback aCallback)
+{
+  sStderrCallback = aCallback;
+}
+
+#if defined(ANDROID) && !defined(RELEASE_OR_BETA)
+static FILE* sStderrCopy = nullptr;
+
+void
+stderr_to_file(const char* aFmt, va_list aArgs)
+{
+  vfprintf(sStderrCopy, aFmt, aArgs);
+}
+
+void
+copy_stderr_to_file(const char* aFile)
+{
+  if (sStderrCopy) {
+    return;
+  }
+  size_t buflen = strlen(aFile) + 16;
+  char* buf = (char*)malloc(buflen);
+  snprintf(buf, buflen, "%s.%u", aFile, (uint32_t)getpid());
+  sStderrCopy = fopen(buf, "w");
+  free(buf);
+  set_stderr_callback(stderr_to_file);
+}
+#endif
+
+#ifdef HAVE_VA_COPY
+#define VARARGS_ASSIGN(foo, bar)        VA_COPY(foo,bar)
+#elif defined(HAVE_VA_LIST_AS_ARRAY)
+#define VARARGS_ASSIGN(foo, bar)     foo[0] = bar[0]
+#else
+#define VARARGS_ASSIGN(foo, bar)     (foo) = (bar)
+#endif
+
+#if defined(XP_WIN)
+void
+vprintf_stderr(const char* aFmt, va_list aArgs)
+{
+  if (sStderrCallback) {
+    va_list argsCpy;
+    VARARGS_ASSIGN(argsCpy, aArgs);
+    sStderrCallback(aFmt, aArgs);
+    va_end(argsCpy);
+  }
+
+  if (IsDebuggerPresent()) {
+    int lengthNeeded = _vscprintf(aFmt, aArgs);
+    if (lengthNeeded) {
+      lengthNeeded++;
+      auto buf = MakeUnique<char[]>(lengthNeeded);
+      if (buf) {
+        va_list argsCpy;
+        VARARGS_ASSIGN(argsCpy, aArgs);
+        vsnprintf(buf.get(), lengthNeeded, aFmt, argsCpy);
+        buf[lengthNeeded - 1] = '\0';
+        va_end(argsCpy);
+        OutputDebugStringA(buf.get());
+      }
+    }
+  }
+
+  FILE* fp = _fdopen(_dup(2), "a");
+  if (!fp) {
+    return;
+  }
+
+  vfprintf(fp, aFmt, aArgs);
+
+  fclose(fp);
+}
+
+#elif defined(ANDROID)
+void
+vprintf_stderr(const char* aFmt, va_list aArgs)
+{
+  if (sStderrCallback) {
+    va_list argsCpy;
+    VARARGS_ASSIGN(argsCpy, aArgs);
+    sStderrCallback(aFmt, aArgs);
+    va_end(argsCpy);
+  }
+
+  __android_log_vprint(ANDROID_LOG_INFO, "Gecko", aFmt, aArgs);
+}
+#else
+void
+vprintf_stderr(const char* aFmt, va_list aArgs)
+{
+  if (sStderrCallback) {
+    va_list argsCpy;
+    VARARGS_ASSIGN(argsCpy, aArgs);
+    sStderrCallback(aFmt, aArgs);
+    va_end(argsCpy);
+  }
+
+  vfprintf(stderr, aFmt, aArgs);
+}
+#endif
+
+void
+printf_stderr(const char* aFmt, ...)
+{
+  va_list args;
+  va_start(args, aFmt);
+  vprintf_stderr(aFmt, args);
+  va_end(args);
+}
+
+void
+fprintf_stderr(FILE* aFile, const char* aFmt, ...)
+{
+  va_list args;
+  va_start(args, aFmt);
+  if (aFile == stderr) {
+    vprintf_stderr(aFmt, args);
+  } else {
+    vfprintf(aFile, aFmt, args);
+  }
+  va_end(args);
+}