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-rw-r--r--xpcom/ds/nsCRT.h186
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diff --git a/xpcom/ds/nsCRT.h b/xpcom/ds/nsCRT.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 nsCRT_h___
+#define nsCRT_h___
+
+#include <stdlib.h>
+#include <ctype.h>
+#include "plstr.h"
+#include "nscore.h"
+#include "nsCRTGlue.h"
+
+#if defined(XP_WIN)
+# define NS_LINEBREAK "\015\012"
+# define NS_LINEBREAK_LEN 2
+#else
+# ifdef XP_UNIX
+# define NS_LINEBREAK "\012"
+# define NS_LINEBREAK_LEN 1
+# endif /* XP_UNIX */
+#endif /* XP_WIN */
+
+extern const char16_t kIsoLatin1ToUCS2[256];
+
+// This macro can be used in a class declaration for classes that want
+// to ensure that their instance memory is zeroed.
+#define NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW \
+ void* operator new(size_t sz) CPP_THROW_NEW { \
+ void* rv = ::operator new(sz); \
+ if (rv) { \
+ memset(rv, 0, sz); \
+ } \
+ return rv; \
+ } \
+ void operator delete(void* ptr) { \
+ ::operator delete(ptr); \
+ }
+
+// This macro works with the next macro to declare a non-inlined
+// version of the above.
+#define NS_DECL_ZEROING_OPERATOR_NEW \
+ void* operator new(size_t sz) CPP_THROW_NEW; \
+ void operator delete(void* ptr);
+
+#define NS_IMPL_ZEROING_OPERATOR_NEW(_class) \
+ void* _class::operator new(size_t sz) CPP_THROW_NEW { \
+ void* rv = ::operator new(sz); \
+ if (rv) { \
+ memset(rv, 0, sz); \
+ } \
+ return rv; \
+ } \
+ void _class::operator delete(void* ptr) { \
+ ::operator delete(ptr); \
+ }
+
+// Freeing helper
+#define CRTFREEIF(x) if (x) { nsCRT::free(x); x = 0; }
+
+/// This is a wrapper class around all the C runtime functions.
+
+class nsCRT
+{
+public:
+ enum
+ {
+ LF = '\n' /* Line Feed */,
+ VTAB = '\v' /* Vertical Tab */,
+ CR = '\r' /* Carriage Return */
+ };
+
+ /// String comparison.
+ static int32_t strcmp(const char* aStr1, const char* aStr2)
+ {
+ return int32_t(PL_strcmp(aStr1, aStr2));
+ }
+
+ static int32_t strncmp(const char* aStr1, const char* aStr2,
+ uint32_t aMaxLen)
+ {
+ return int32_t(PL_strncmp(aStr1, aStr2, aMaxLen));
+ }
+
+ /// Case-insensitive string comparison.
+ static int32_t strcasecmp(const char* aStr1, const char* aStr2)
+ {
+ return int32_t(PL_strcasecmp(aStr1, aStr2));
+ }
+
+ /// Case-insensitive string comparison with length
+ static int32_t strncasecmp(const char* aStr1, const char* aStr2,
+ uint32_t aMaxLen)
+ {
+ int32_t result = int32_t(PL_strncasecmp(aStr1, aStr2, aMaxLen));
+ //Egads. PL_strncasecmp is returning *very* negative numbers.
+ //Some folks expect -1,0,1, so let's temper its enthusiasm.
+ if (result < 0) {
+ result = -1;
+ }
+ return result;
+ }
+
+ static int32_t strncmp(const char* aStr1, const char* aStr2, int32_t aMaxLen)
+ {
+ // inline the first test (assumes strings are not null):
+ int32_t diff =
+ ((const unsigned char*)aStr1)[0] - ((const unsigned char*)aStr2)[0];
+ if (diff != 0) {
+ return diff;
+ }
+ return int32_t(PL_strncmp(aStr1, aStr2, unsigned(aMaxLen)));
+ }
+
+ /**
+
+ How to use this fancy (thread-safe) version of strtok:
+
+ void main(void) {
+ printf("%s\n\nTokens:\n", string);
+ // Establish string and get the first token:
+ char* newStr;
+ token = nsCRT::strtok(string, seps, &newStr);
+ while (token != nullptr) {
+ // While there are tokens in "string"
+ printf(" %s\n", token);
+ // Get next token:
+ token = nsCRT::strtok(newStr, seps, &newStr);
+ }
+ }
+ * WARNING - STRTOK WHACKS str THE FIRST TIME IT IS CALLED *
+ * MAKE A COPY OF str IF YOU NEED TO USE IT AFTER strtok() *
+ */
+ static char* strtok(char* aStr, const char* aDelims, char** aNewStr);
+
+ /// Like strcmp except for ucs2 strings
+ static int32_t strcmp(const char16_t* aStr1, const char16_t* aStr2);
+ /// Like strcmp except for ucs2 strings
+ static int32_t strncmp(const char16_t* aStr1, const char16_t* aStr2,
+ uint32_t aMaxLen);
+
+ // The GNU libc has memmem, which is strstr except for binary data
+ // This is our own implementation that uses memmem on platforms
+ // where it's available.
+ static const char* memmem(const char* aHaystack, uint32_t aHaystackLen,
+ const char* aNeedle, uint32_t aNeedleLen);
+
+ // String to longlong
+ static int64_t atoll(const char* aStr);
+
+ static char ToUpper(char aChar) { return NS_ToUpper(aChar); }
+ static char ToLower(char aChar) { return NS_ToLower(aChar); }
+
+ static bool IsUpper(char aChar) { return NS_IsUpper(aChar); }
+ static bool IsLower(char aChar) { return NS_IsLower(aChar); }
+
+ static bool IsAscii(char16_t aChar) { return NS_IsAscii(aChar); }
+ static bool IsAscii(const char16_t* aString) { return NS_IsAscii(aString); }
+ static bool IsAsciiAlpha(char16_t aChar) { return NS_IsAsciiAlpha(aChar); }
+ static bool IsAsciiDigit(char16_t aChar) { return NS_IsAsciiDigit(aChar); }
+ static bool IsAsciiSpace(char16_t aChar) { return NS_IsAsciiWhitespace(aChar); }
+ static bool IsAscii(const char* aString) { return NS_IsAscii(aString); }
+ static bool IsAscii(const char* aString, uint32_t aLength)
+ {
+ return NS_IsAscii(aString, aLength);
+ }
+};
+
+
+inline bool
+NS_IS_SPACE(char16_t aChar)
+{
+ return ((int(aChar) & 0x7f) == int(aChar)) && isspace(int(aChar));
+}
+
+#define NS_IS_CNTRL(i) ((((unsigned int) (i)) > 0x7f) ? (int) 0 : iscntrl(i))
+#define NS_IS_DIGIT(i) ((((unsigned int) (i)) > 0x7f) ? (int) 0 : isdigit(i))
+#if defined(XP_WIN)
+#define NS_IS_ALPHA(VAL) (isascii((int)(VAL)) && isalpha((int)(VAL)))
+#else
+#define NS_IS_ALPHA(VAL) ((((unsigned int) (VAL)) > 0x7f) ? (int) 0 : isalpha((int)(VAL)))
+#endif
+
+
+#endif /* nsCRT_h___ */