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-rw-r--r--xpcom/glue/nsCRTGlue.cpp441
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);
+}