[lib] Use nullptr, not 0, for null pointer values. (#1586)

Fixes #208.

Author: jensmaurer

source/future.tex

@@ -231,14 +231,14 @@
   public:
     explicit strstreambuf(streamsize alsize_arg = 0);
     strstreambuf(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*));
-    strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = 0);
+    strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = nullptr);
     strstreambuf(const char* gnext_arg, streamsize n);
 
     strstreambuf(signed char* gnext_arg, streamsize n,
-                 signed char* pbeg_arg = 0);
+                 signed char* pbeg_arg = nullptr);
     strstreambuf(const signed char* gnext_arg, streamsize n);
     strstreambuf(unsigned char* gnext_arg, streamsize n,
-                 unsigned char* pbeg_arg = 0);
+                 unsigned char* pbeg_arg = nullptr);
     strstreambuf(const unsigned char* gnext_arg, streamsize n);
 
     virtual ~strstreambuf();
@@ -388,11 +388,11 @@
 \indextext{unspecified}%
 \indexlibrary{\idxcode{strstreambuf}!constructor}%
 \begin{itemdecl}
-strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = 0);
+strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = nullptr);
 strstreambuf(signed char* gnext_arg, streamsize n,
-             signed char* pbeg_arg = 0);
+             signed char* pbeg_arg = nullptr);
 strstreambuf(unsigned char* gnext_arg, streamsize n,
-             unsigned char* pbeg_arg = 0);
+             unsigned char* pbeg_arg = nullptr);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -2596,7 +2596,7 @@
     public:
       using state_type = typename Codecvt::state_type;
 
-      explicit wbuffer_convert(streambuf* bytebuf = 0,
+      explicit wbuffer_convert(streambuf* bytebuf = nullptr,
                                Codecvt* pcvt = new Codecvt,
                                state_type state = state_type());
 
@@ -2683,7 +2683,7 @@
 \indexlibrary{\idxcode{wbuffer_convert}!constructor}%
 \begin{itemdecl}
 explicit wbuffer_convert(
-    streambuf* bytebuf = 0,
+    streambuf* bytebuf = nullptr,
     Codecvt* pcvt = new Codecvt,
     state_type state = state_type());
 \end{itemdecl}

source/locales.tex

@@ -1540,7 +1540,7 @@
     public:
       using char_type = char;
 
-      explicit ctype(const mask* tab = 0, bool del = false, size_t refs = 0);
+      explicit ctype(const mask* tab = nullptr, bool del = false, size_t refs = 0);
 
       bool is(mask m, char c) const;
       const char* is(const char* low, const char* high, mask* vec) const;
@@ -1627,7 +1627,7 @@
 
 \indexlibrary{\idxcode{ctype<char>}!constructor}%
 \begin{itemdecl}
-explicit ctype(const mask* tbl = 0, bool del = false, size_t refs = 0);
+explicit ctype(const mask* tbl = nullptr, bool del = false, size_t refs = 0);
 \end{itemdecl}
 
 \begin{itemdescr}

source/strings.tex

@@ -751,14 +751,14 @@
   using wstring   = basic_string<wchar_t>;
 
   // \ref{string.conversions}, numeric conversions
-  int stoi(const string& str, size_t* idx = 0, int base = 10);
-  long stol(const string& str, size_t* idx = 0, int base = 10);
-  unsigned long stoul(const string& str, size_t* idx = 0, int base = 10);
-  long long stoll(const string& str, size_t* idx = 0, int base = 10);
-  unsigned long long stoull(const string& str, size_t* idx = 0, int base = 10);
-  float stof(const string& str, size_t* idx = 0);
-  double stod(const string& str, size_t* idx = 0);
-  long double stold(const string& str, size_t* idx = 0);
+  int stoi(const string& str, size_t* idx = nullptr, int base = 10);
+  long stol(const string& str, size_t* idx = nullptr, int base = 10);
+  unsigned long stoul(const string& str, size_t* idx = nullptr, int base = 10);
+  long long stoll(const string& str, size_t* idx = nullptr, int base = 10);
+  unsigned long long stoull(const string& str, size_t* idx = nullptr, int base = 10);
+  float stof(const string& str, size_t* idx = nullptr);
+  double stod(const string& str, size_t* idx = nullptr);
+  long double stold(const string& str, size_t* idx = nullptr);
   string to_string(int val);
   string to_string(unsigned val);
   string to_string(long val);
@@ -769,14 +769,14 @@
   string to_string(double val);
   string to_string(long double val);
 
-  int stoi(const wstring& str, size_t* idx = 0, int base = 10);
-  long stol(const wstring& str, size_t* idx = 0, int base = 10);
-  unsigned long stoul(const wstring& str, size_t* idx = 0, int base = 10);
-  long long stoll(const wstring& str, size_t* idx = 0, int base = 10);
-  unsigned long long stoull(const wstring& str, size_t* idx = 0, int base = 10);
-  float stof(const wstring& str, size_t* idx = 0);
-  double stod(const wstring& str, size_t* idx = 0);
-  long double stold(const wstring& str, size_t* idx = 0);
+  int stoi(const wstring& str, size_t* idx = nullptr, int base = 10);
+  long stol(const wstring& str, size_t* idx = nullptr, int base = 10);
+  unsigned long stoul(const wstring& str, size_t* idx = nullptr, int base = 10);
+  long long stoll(const wstring& str, size_t* idx = nullptr, int base = 10);
+  unsigned long long stoull(const wstring& str, size_t* idx = nullptr, int base = 10);
+  float stof(const wstring& str, size_t* idx = nullptr);
+  double stod(const wstring& str, size_t* idx = nullptr);
+  long double stold(const wstring& str, size_t* idx = nullptr);
   wstring to_wstring(int val);
   wstring to_wstring(unsigned val);
   wstring to_wstring(long val);
@@ -4382,11 +4382,11 @@
 \indexlibrary{\idxcode{stoll}}%
 \indexlibrary{\idxcode{stoull}}%
 \begin{itemdecl}
-int stoi(const string& str, size_t* idx = 0, int base = 10);
-long stol(const string& str, size_t* idx = 0, int base = 10);
-unsigned long stoul(const string& str, size_t* idx = 0, int base = 10);
-long long stoll(const string& str, size_t* idx = 0, int base = 10);
-unsigned long long stoull(const string& str, size_t* idx = 0, int base = 10);
+int stoi(const string& str, size_t* idx = nullptr, int base = 10);
+long stol(const string& str, size_t* idx = nullptr, int base = 10);
+unsigned long stoul(const string& str, size_t* idx = nullptr, int base = 10);
+long long stoll(const string& str, size_t* idx = nullptr, int base = 10);
+unsigned long long stoull(const string& str, size_t* idx = nullptr, int base = 10);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -4416,9 +4416,9 @@
 \indexlibrary{\idxcode{stod}}%
 \indexlibrary{\idxcode{stold}}%
 \begin{itemdecl}
-float stof(const string& str, size_t* idx = 0);
-double stod(const string& str, size_t* idx = 0);
-long double stold(const string& str, size_t* idx = 0);
+float stof(const string& str, size_t* idx = nullptr);
+double stod(const string& str, size_t* idx = nullptr);
+long double stold(const string& str, size_t* idx = nullptr);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -4479,11 +4479,11 @@
 \indexlibrary{\idxcode{stoll}}%
 \indexlibrary{\idxcode{stoull}}%
 \begin{itemdecl}
-int stoi(const wstring& str, size_t* idx = 0, int base = 10);
-long stol(const wstring& str, size_t* idx = 0, int base = 10);
-unsigned long stoul(const wstring& str, size_t* idx = 0, int base = 10);
-long long stoll(const wstring& str, size_t* idx = 0, int base = 10);
-unsigned long long stoull(const wstring& str, size_t* idx = 0, int base = 10);
+int stoi(const wstring& str, size_t* idx = nullptr, int base = 10);
+long stol(const wstring& str, size_t* idx = nullptr, int base = 10);
+unsigned long stoul(const wstring& str, size_t* idx = nullptr, int base = 10);
+long long stoll(const wstring& str, size_t* idx = nullptr, int base = 10);
+unsigned long long stoull(const wstring& str, size_t* idx = nullptr, int base = 10);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -4511,9 +4511,9 @@
 \indexlibrary{\idxcode{stod}}%
 \indexlibrary{\idxcode{stold}}%
 \begin{itemdecl}
-float stof(const wstring& str, size_t* idx = 0);
-double stod(const wstring& str, size_t* idx = 0);
-long double stold(const wstring& str, size_t* idx = 0);
+float stof(const wstring& str, size_t* idx = nullptr);
+double stod(const wstring& str, size_t* idx = nullptr);
+long double stold(const wstring& str, size_t* idx = nullptr);
 \end{itemdecl}
 
 \begin{itemdescr}

source/utilities.tex

@@ -10324,7 +10324,7 @@
 
 \begin{itemdescr}
 \pnum
-\requires The expression \tcode{static_cast<T*>((U*)0)} shall
+\requires The expression \tcode{static_cast<T*>((U*)nullptr)} shall
 be well formed.
 
 \pnum
@@ -10350,7 +10350,7 @@
 
 \begin{itemdescr}
 \pnum
-\requires The expression \tcode{dynamic_cast<T*>((U*)0)}
+\requires The expression \tcode{dynamic_cast<T*>((U*)nullptr)}
 shall be well formed and shall have well defined behavior.
 
 \pnum
@@ -10377,7 +10377,7 @@
 
 \begin{itemdescr}
 \pnum
-\requires The expression \tcode{const_cast<T*>((U*)0)} shall
+\requires The expression \tcode{const_cast<T*>((U*)nullptr)} shall
 be well formed.
 
 \pnum
@@ -10402,7 +10402,7 @@
 
 \begin{itemdescr}
 \pnum
-\requires The expression \tcode{reinterpret_cast<T*>((U*)0)}
+\requires The expression \tcode{reinterpret_cast<T*>((U*)nullptr)}
 shall be well formed.
 
 \pnum\returns