got rid of wxSocketBase::m_error which could get out of sync with wxSocketImpl::m_err...

[wxWidgets.git] / include / wx / wxcrt.h

diff --git a/include/wx/wxcrt.h b/include/wx/wxcrt.h
index b1608af82608c2f2b7d7af8aa55f62082a51234a..a0887da4aeb52ef681e1b3dee41afe2ac3d15ebf 100644 (file)
--- a/include/wx/wxcrt.h
+++ b/include/wx/wxcrt.h
@@ -2,7 +2,7 @@
 // Name:        wx/wxcrt.h
 // Purpose:     Type-safe ANSI and Unicode builds compatible wrappers for
 //              CRT functions
-// Author:      Joel Farley, Ove K�ven
+// Author:      Joel Farley, Ove Kaaven
 // Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee, Vaclav Slavik
 // Created:     1998/06/12
 // RCS-ID:      $Id$
@@ -19,6 +19,13 @@
 #include "wx/wxcrtbase.h"
 #include "wx/string.h"
 
+#ifndef __WX_SETUP_H__
+// For non-configure builds assume vsscanf is available, if not Visual C or DMC
+#if !defined (__VISUALC__) && !defined (__DMC__)
+    #define HAVE_VSSCANF 1
+#endif
+#endif
+
 // ============================================================================
 //                              misc functions
 // ============================================================================
@@ -32,9 +39,6 @@ inline bool wxIsEmpty(const wxString& s) { return s.empty(); }
 inline bool wxIsEmpty(const wxCStrData& s) { return s.AsString().empty(); }
 
 
-// FIXME-UTF8: get rid of this, it's ANSI only anyway
-WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
-
 
 /* multibyte to wide char conversion functions and macros */
 
@@ -72,9 +76,9 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 //  (including even MSC) inline them just like we do right in their
 //  headers.
 //
-#if wxUSE_UNICODE
-    #include <string.h> //for mem funcs
+#include <string.h>
 
+#if wxUSE_UNICODE
     //implement our own wmem variants
     inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
     {
@@ -114,27 +118,21 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 
         return szRet;
     }
-
-    // and trivial wrappers for char* versions:
-    inline char* wxTmemchr(const char* s, char c, size_t len)
-        { return (char*)memchr(s, c, len); }
-    inline int wxTmemcmp(const char* sz1, const char* sz2, size_t len)
-        { return memcmp(sz1, sz2, len); }
-    inline char* wxTmemcpy(char* szOut, const char* szIn, size_t len)
-        { return (char*)memcpy(szOut, szIn, len); }
-    inline char* wxTmemmove(char* szOut, const char* szIn, size_t len)
-        { return (char*)memmove(szOut, szIn, len); }
-    inline char* wxTmemset(char* szOut, const char cIn, size_t len)
-        { return (char*)memset(szOut, cIn, len); }
-
-#else /* !wxUSE_UNICODE */
-    #define wxTmemchr memchr
-    #define wxTmemcmp memcmp
-    #define wxTmemcpy memcpy
-    #define wxTmemmove memmove
-    #define wxTmemset memset
-#endif /* wxUSE_UNICODE/!wxUSE_UNICODE */
-
+#endif /* wxUSE_UNICODE */
+
+// provide trivial wrappers for char* versions for both ANSI and Unicode builds
+// (notice that these intentionally return "char *" and not "void *" unlike the
+// standard memxxx() for symmetry with the wide char versions):
+inline char* wxTmemchr(const char* s, char c, size_t len)
+    { return (char*)memchr(s, c, len); }
+inline int wxTmemcmp(const char* sz1, const char* sz2, size_t len)
+    { return memcmp(sz1, sz2, len); }
+inline char* wxTmemcpy(char* szOut, const char* szIn, size_t len)
+    { return (char*)memcpy(szOut, szIn, len); }
+inline char* wxTmemmove(char* szOut, const char* szIn, size_t len)
+    { return (char*)memmove(szOut, szIn, len); }
+inline char* wxTmemset(char* szOut, const char cIn, size_t len)
+    { return (char*)memset(szOut, cIn, len); }
 
 
 // ============================================================================
@@ -160,7 +158,7 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 // ----------------------------------------------------------------------------
 
 // NB: we can't provide const wchar_t* (= wxChar*) overload, because calling
-//     wxSetlocale(category, NULL) -- which is a common thing to do --would be
+//     wxSetlocale(category, NULL) -- which is a common thing to do -- would be
 //     ambiguous
 WXDLLIMPEXP_BASE char* wxSetlocale(int category, const char *locale);
 inline char* wxSetlocale(int category, const wxCharBuffer& locale)
@@ -233,6 +231,36 @@ inline char *wxStrncpy(char *dest, const wchar_t *src, size_t n)
 inline wchar_t *wxStrncpy(wchar_t *dest, const char *src, size_t n)
     { return wxCRT_StrncpyW(dest, wxConvLibc.cMB2WC(src), n); }
 
+// this is a new function so we don't care about backwards compatibility and
+// so don't need to support wchar_t/char overloads
+inline size_t wxStrlcpy(char *dest, const char *src, size_t n)
+{
+    const size_t len = wxCRT_StrlenA(src);
+
+    if ( n )
+    {
+        if ( n-- > len )
+            n = len;
+        wxCRT_StrncpyA(dest, src, n);
+        dest[n] = '\0';
+    }
+
+    return len;
+}
+inline size_t wxStrlcpy(wchar_t *dest, const wchar_t *src, size_t n)
+{
+    const size_t len = wxCRT_StrlenW(src);
+    if ( n )
+    {
+        if ( n-- > len )
+            n = len;
+        wxCRT_StrncpyW(dest, src, n);
+        dest[n] = L'\0';
+    }
+
+    return len;
+}
+
 inline char *wxStrcat(char *dest, const char *src)
     { return wxCRT_StrcatA(dest, src); }
 inline wchar_t *wxStrcat(wchar_t *dest, const wchar_t *src)
@@ -314,16 +342,16 @@ inline wchar_t *wxStrncat(wchar_t *dest, const char *src, size_t n)
         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxCharBuffer&)\
         { return WX_STR_CALL(crtA, s1.data(), s2.data()); }                   \
-    inline int WX_STR_DECL(name, const wxCharBuffer&, const wxWCharBuffer&)   \
+    inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxWCharBuffer&)   \
         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
                                                                               \
     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wchar_t *)   \
         { return WX_STR_CALL(crtW, s1.data(), s2); }                          \
     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const char *)      \
         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
-    inline int WX_STR_DECL(name, const wxWCharBuffer&, const wxWCharBuffer&)  \
+    inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxWCharBuffer&)  \
         { return WX_STR_CALL(crtW, s1.data(), s2.data()); }                   \
-    inline int WX_STR_DECL(name, const wxWCharBuffer&, const wxCharBuffer&)   \
+    inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxCharBuffer&)   \
         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
                                                                               \
     inline rettype WX_STR_DECL(name, const wxString&, const char*)            \
@@ -450,18 +478,18 @@ WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 #endif // defined(wxCRT_Strcoll[AW])
 
 template<typename T>
-inline int wxStrspn_String(const wxString& s1, const T& s2)
+inline size_t wxStrspn_String(const wxString& s1, const T& s2)
 {
     size_t pos = s1.find_first_not_of(s2);
-    return (pos == wxString::npos) ? s1.length() : pos;
+    return pos == wxString::npos ? s1.length() : pos;
 }
 WX_STR_FUNC(size_t, wxStrspn, wxCRT_StrspnA, wxCRT_StrspnW, wxStrspn_String)
 
 template<typename T>
-inline int wxStrcspn_String(const wxString& s1, const T& s2)
+inline size_t wxStrcspn_String(const wxString& s1, const T& s2)
 {
     size_t pos = s1.find_first_of(s2);
-    return (pos == wxString::npos) ? s1.length() : pos;
+    return pos == wxString::npos ? s1.length() : pos;
 }
 WX_STR_FUNC(size_t, wxStrcspn, wxCRT_StrcspnA, wxCRT_StrcspnW, wxStrcspn_String)