The Tor Browser: comparison xpcom/ds/nsCRT.h

--1:000000000000
+:c40cccbd5fb7
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 */
+};
+/// Compare s1 and s2.
+static int32_t strcmp(const char* s1, const char* s2) {
+return int32_t(PL_strcmp(s1, s2));
+}
+static int32_t strncmp(const char* s1, const char* s2,
+uint32_t aMaxLen) {
+return int32_t(PL_strncmp(s1, s2, aMaxLen));
+}
+/// Case-insensitive string comparison.
+static int32_t strcasecmp(const char* s1, const char* s2) {
+return int32_t(PL_strcasecmp(s1, s2));
+}
+/// Case-insensitive string comparison with length
+static int32_t strncasecmp(const char* s1, const char* s2, uint32_t aMaxLen) {
+int32_t result=int32_t(PL_strncasecmp(s1, s2, 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* s1, const char* s2, int32_t aMaxLen) {
+// inline the first test (assumes strings are not null):
+int32_t diff = ((const unsigned char*)s1)[0] - ((const unsigned char*)s2)[0];
+if (diff != 0) return diff;
+return int32_t(PL_strncmp(s1,s2,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* str, const char* delims, char* *newStr);
+/// Like strcmp except for ucs2 strings
+static int32_t strcmp(const char16_t* s1, const char16_t* s2);
+/// Like strcmp except for ucs2 strings
+static int32_t strncmp(const char16_t* s1, const char16_t* s2,
+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* haystack, uint32_t haystackLen,
+const char* needle, uint32_t needleLen);
+// String to longlong
+static int64_t atoll(const char *str);
+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 c)
+{
+return ((int(c) & 0x7f) == int(c)) && isspace(int(c));
+}
+#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___ */

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comparison: xpcom/ds/nsCRT.h

xpcom/ds/nsCRT.h