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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/ds/nsCRT.h
parentInitial commit. (diff)
downloadvirtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz
virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/ds/nsCRT.h')
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+#ifndef nsCRT_h___
+#define nsCRT_h___
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include "plstr.h"
+#include "nscore.h"
+#include "prtypes.h"
+#include "nsCppSharedAllocator.h"
+
+#ifdef XP_MAC
+# define NS_LINEBREAK "\015"
+# define NS_LINEBREAK_LEN 1
+#else
+# if defined(XP_WIN) || defined(XP_OS2)
+# define NS_LINEBREAK "\015\012"
+# define NS_LINEBREAK_LEN 2
+# else
+# if defined(XP_UNIX) || defined(XP_BEOS)
+# define NS_LINEBREAK "\012"
+# define NS_LINEBREAK_LEN 1
+# endif /* XP_UNIX */
+# endif /* XP_WIN || XP_OS2 */
+#endif /* XP_MAC */
+
+extern const PRUnichar 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 NS_COM nsCRT {
+public:
+ enum {
+ TAB='\t' /* Horizontal Tab */,
+ LF='\n' /* Line Feed */,
+ VTAB='\v' /* Vertical Tab */,
+ FF='\f' /* Form Feed */,
+ CR='\r' /* Carriage Return */
+ };
+
+ /***
+ *** The following nsCRT::mem* functions are no longer
+ *** supported, please use the corresponding lib C
+ *** functions instead.
+ ***
+ *** nsCRT::memcpy()
+ *** nsCRT::memcmp()
+ *** nsCRT::memmove()
+ *** nsCRT::memset()
+ *** nsCRT::zero()
+ ***
+ *** Additionally, the following char* string utilities
+ *** are no longer supported, please use the
+ *** corresponding lib C functions instead.
+ ***
+ *** nsCRT::strlen()
+ ***
+ ***/
+
+ /** Compute the string length of s
+ @param s the string in question
+ @return the length of s
+ */
+ static PRUint32 strlen(const char* s) {
+ return PRUint32(::strlen(s));
+ }
+
+ /// Compare s1 and s2.
+ static PRInt32 strcmp(const char* s1, const char* s2) {
+ return PRInt32(PL_strcmp(s1, s2));
+ }
+
+ static PRInt32 strncmp(const char* s1, const char* s2,
+ PRUint32 aMaxLen) {
+ return PRInt32(PL_strncmp(s1, s2, aMaxLen));
+ }
+
+ /// Case-insensitive string comparison.
+ static PRInt32 strcasecmp(const char* s1, const char* s2) {
+ return PRInt32(PL_strcasecmp(s1, s2));
+ }
+
+ /// Case-insensitive string comparison with length
+ static PRInt32 strncasecmp(const char* s1, const char* s2, PRUint32 aMaxLen) {
+ PRInt32 result=PRInt32(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 PRInt32 strncmp(const char* s1, const char* s2, PRInt32 aMaxLen) {
+ // inline the first test (assumes strings are not null):
+ PRInt32 diff = ((const unsigned char*)s1)[0] - ((const unsigned char*)s2)[0];
+ if (diff != 0) return diff;
+ return PRInt32(PL_strncmp(s1,s2,unsigned(aMaxLen)));
+ }
+
+ static char* strdup(const char* str) {
+ return PL_strdup(str);
+ }
+
+ static char* strndup(const char* str, PRUint32 len) {
+ return PL_strndup(str, len);
+ }
+
+ static void free(char* str) {
+ PL_strfree(str);
+ }
+
+ /**
+
+ 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 != NULL) {
+ // 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 strlen except for ucs2 strings
+ static PRUint32 strlen(const PRUnichar* s);
+
+ /// Like strcmp except for ucs2 strings
+ static PRInt32 strcmp(const PRUnichar* s1, const PRUnichar* s2);
+ /// Like strcmp except for ucs2 strings
+ static PRInt32 strncmp(const PRUnichar* s1, const PRUnichar* s2,
+ PRUint32 aMaxLen);
+
+ // You must use nsCRT::free(PRUnichar*) to free memory allocated
+ // by nsCRT::strdup(PRUnichar*).
+ static PRUnichar* strdup(const PRUnichar* str);
+
+ // You must use nsCRT::free(PRUnichar*) to free memory allocated
+ // by strndup(PRUnichar*, PRUint32).
+ static PRUnichar* strndup(const PRUnichar* str, PRUint32 len);
+
+ static void free(PRUnichar* str) {
+ nsCppSharedAllocator<PRUnichar> shared_allocator;
+ shared_allocator.deallocate(str, 0 /*we never new or kept the size*/);
+ }
+
+ // Computes the hashcode for a c-string, returns the string length as
+ // an added bonus.
+ static PRUint32 HashCode(const char* str,
+ PRUint32* resultingStrLen = nsnull);
+
+ // Computes the hashcode for a ucs2 string, returns the string length
+ // as an added bonus.
+ static PRUint32 HashCode(const PRUnichar* str,
+ PRUint32* resultingStrLen = nsnull);
+
+ // Computes a hashcode for a ucs2 string that returns the same thing
+ // as the HashCode method taking a |char*| would if the string were
+ // converted to UTF8. Returns the string length as an added bonus.
+ static PRUint32 HashCodeAsUTF8(const PRUnichar* str,
+ PRUint32* resultingStrLen = nsnull);
+
+ // Computes the hashcode for a buffer with a specified length.
+ static PRUint32 BufferHashCode(const char* str, PRUint32 strLen);
+
+ // Computes the hashcode for a buffer with a specified length.
+ static PRUint32 BufferHashCode(const PRUnichar* str, PRUint32 strLen);
+
+ // String to longlong
+ static PRInt64 atoll(const char *str);
+
+ static char ToUpper(char aChar);
+
+ static char ToLower(char aChar);
+
+ static PRBool IsUpper(char aChar);
+
+ static PRBool IsLower(char aChar);
+
+ static PRBool IsAscii(PRUnichar aChar);
+ static PRBool IsAscii(const PRUnichar* aString);
+ static PRBool IsAsciiAlpha(PRUnichar aChar);
+ static PRBool IsAsciiDigit(PRUnichar aChar);
+ static PRBool IsAsciiSpace(PRUnichar aChar);
+ static PRBool IsAscii(const char* aString);
+ static PRBool IsAscii(const char* aString, PRUint32 aLength);
+};
+
+#define FF '\014'
+#define TAB '\011'
+
+#define CRSTR "\015"
+#define LFSTR "\012"
+#define CRLF "\015\012" /* A CR LF equivalent string */
+
+
+#if defined(XP_MAC)
+ #define FILE_PATH_SEPARATOR ":"
+ #define FILE_ILLEGAL_CHARACTERS ""
+#elif defined(XP_WIN) || defined(XP_OS2)
+ #define FILE_PATH_SEPARATOR "\\"
+ #define FILE_ILLEGAL_CHARACTERS "/:*?\"<>|"
+#elif defined(XP_UNIX) || defined(XP_BEOS)
+ #define FILE_PATH_SEPARATOR "/"
+ #define FILE_ILLEGAL_CHARACTERS ""
+#else
+ #error need_to_define_your_file_path_separator_and_illegal_characters
+#endif
+
+#define NS_IS_SPACE(VAL) \
+ (((((intn)(VAL)) & 0x7f) == ((intn)(VAL))) && isspace((intn)(VAL)) )
+
+#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) || defined(XP_OS2)
+#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___ */