1 files changed, 172 insertions, 0 deletions
diff --git a/xpcom/base/nsCRTGlue.h b/xpcom/base/nsCRTGlue.h
new file mode 100644
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+++ b/xpcom/base/nsCRTGlue.h
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+/* -*- 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/. */
+
+#ifndef nsCRTGlue_h__
+#define nsCRTGlue_h__
+
+#include "nscore.h"
+
+/**
+ * Scan a string for the first character that is *not* in a set of
+ * delimiters.  If the string is only delimiter characters, the end of the
+ * string is returned.
+ *
+ * @param aDelims The set of delimiters (null-terminated)
+ * @param aStr    The string to search (null-terminated)
+ */
+const char* NS_strspnp(const char* aDelims, const char* aStr);
+
+/**
+ * Tokenize a string. This function is similar to the strtok function in the
+ * C standard library, but it does not use static variables to maintain state
+ * and is therefore thread and reentrancy-safe.
+ *
+ * Any leading delimiters in str are skipped. Then the string is scanned
+ * until an additional delimiter or end-of-string is found. The final
+ * delimiter is set to '\0'.
+ *
+ * @param aDelims The set of delimiters.
+ * @param aStr    The string to search. This is an in-out parameter; it is
+ *                reset to the end of the found token + 1, or to the
+ *                end-of-string if there are no more tokens.
+ * @return        The token. If no token is found (the string is only
+ *                delimiter characters), nullptr is returned.
+ */
+char* NS_strtok(const char* aDelims, char** aStr);
+
+/**
+ * "strlen" for char16_t strings
+ */
+uint32_t NS_strlen(const char16_t* aString);
+
+/**
+ * "strcmp" for char16_t strings
+ */
+int NS_strcmp(const char16_t* aStrA, const char16_t* aStrB);
+
+/**
+ * "strncmp" for char16_t strings
+ */
+int NS_strncmp(const char16_t* aStrA, const char16_t* aStrB, size_t aLen);
+
+/**
+ * "strdup" for char16_t strings, uses the infallible moz_xmalloc allocator.
+ */
+char16_t* NS_xstrdup(const char16_t* aString);
+
+/**
+ * "strdup", but using the infallible moz_xmalloc allocator.
+ */
+char* NS_xstrdup(const char* aString);
+
+/**
+ * strndup for char16_t or char strings (normal strndup is not available on
+ * windows). This function will ensure that the new string is
+ * null-terminated. Uses the infallible moz_xmalloc allocator.
+ *
+ * CharT may be either char16_t or char.
+ */
+template <typename CharT>
+CharT* NS_xstrndup(const CharT* aString, uint32_t aLen);
+
+// The following case-conversion methods only deal in the ascii repertoire
+// A-Z and a-z
+
+// semi-private data declarations... don't use these directly.
+class nsLowerUpperUtils {
+ public:
+  static const unsigned char kLower2Upper[256];
+  static const unsigned char kUpper2Lower[256];
+};
+
+inline char NS_ToUpper(char aChar) {
+  return (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
+}
+
+inline char NS_ToLower(char aChar) {
+  return (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
+}
+
+bool NS_IsUpper(char aChar);
+bool NS_IsLower(char aChar);
+
+constexpr bool NS_IsAscii(const char* aString) {
+  while (*aString) {
+    if (0x80 & *aString) {
+      return false;
+    }
+    aString++;
+  }
+  return true;
+}
+
+constexpr 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;
+}
+
+constexpr bool NS_IsAsciiWhitespace(char16_t aChar) {
+  return aChar == ' ' || aChar == '\r' || aChar == '\n' || aChar == '\t';
+}
+
+#ifndef XPCOM_GLUE_AVOID_NSPR
+void NS_MakeRandomString(char* aBuf, int32_t aBufLen);
+#endif
+
+#define FF '\f'
+#define TAB '\t'
+
+#define CRSTR "\015"
+#define LFSTR "\012"
+#define CRLF "\015\012" /* A CR LF equivalent string */
+
+#if defined(ANDROID)
+// On mobile devices, the file system may be very limited in what it
+// considers valid characters. To avoid errors, sanitize conservatively.
+#  define OS_FILE_ILLEGAL_CHARACTERS "/:*?\"<>|;,+=[]"
+#else
+// Otherwise, we use the most restrictive filesystem as our default set of
+// illegal filename characters. This is currently Windows.
+#  define OS_FILE_ILLEGAL_CHARACTERS "/:*?\"<>|"
+#endif
+
+// We also provide a list of all known file path separators for all filesystems.
+// This can be used in replacement of FILE_PATH_SEPARATOR when you need to
+// identify or replace all known path separators.
+#define KNOWN_PATH_SEPARATORS "\\/"
+
+#if defined(XP_MACOSX)
+#  define FILE_PATH_SEPARATOR "/"
+#elif defined(XP_WIN)
+#  define FILE_PATH_SEPARATOR "\\"
+#elif defined(XP_UNIX)
+#  define FILE_PATH_SEPARATOR "/"
+#else
+#  error need_to_define_your_file_path_separator_and_maybe_illegal_characters
+#endif
+
+// Not all these control characters are illegal in all OSs, but we don't really
+// want them appearing in filenames
+#define CONTROL_CHARACTERS           \
+  "\001\002\003\004\005\006\007"     \
+  "\010\011\012\013\014\015\016\017" \
+  "\020\021\022\023\024\025\026\027" \
+  "\030\031\032\033\034\035\036\037" \
+  "\177"                             \
+  "\200\201\202\203\204\205\206\207" \
+  "\210\211\212\213\214\215\216\217" \
+  "\220\221\222\223\224\225\226\227" \
+  "\230\231\232\233\234\235\236\237"
+
+#define FILE_ILLEGAL_CHARACTERS CONTROL_CHARACTERS OS_FILE_ILLEGAL_CHARACTERS
+
+#endif  // nsCRTGlue_h__