X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e93523680ba3c83cdae75b511214c82f28a2d853..e82b00a76d14e0c8717cce0ed7523047e6359352:/include/wx/wxcrt.h

diff --git a/include/wx/wxcrt.h b/include/wx/wxcrt.h
index 0083ee1585..433bc954b1 100644
--- a/include/wx/wxcrt.h
+++ b/include/wx/wxcrt.h
@@ -72,9 +72,9 @@ 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 +114,21 @@ 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 +154,7 @@ 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)
@@ -414,13 +408,15 @@ inline int wxStricmp_String(const wxString& s1, const T& s2)
     { return s1.CmpNoCase(s2); }
 WX_STRCMP_FUNC(wxStricmp, wxCRT_StricmpA, wxCRT_StricmpW, wxStricmp_String)
 
+#if defined(wxCRT_StrcollA) && defined(wxCRT_StrcollW)
 
 // GCC 3.3 and other compilers have a bug that causes it to fail compilation if
 // the template's implementation uses overloaded function declared later (see
 // the wxStrcoll() call in wxStrcoll_String<T>()), so we have to
 // forward-declare the template and implement it below WX_STRCMP_FUNC. OTOH,
-// this fails to compile with VC6, so don't do it for VC.
-#if !defined(__VISUALC__)
+// this fails to compile with VC6, so don't do it for VC. It also causes
+// problems with GCC visibility in newer GCC versions.
+#if !(defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4))
 template<typename T>
 inline int wxStrcoll_String(const wxString& s1, const T& s2);
 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
@@ -440,11 +436,12 @@ inline int wxStrcoll_String(const wxString& s1, const T& s2)
 #endif
 }
 
-#if defined(__VISUALC__)
+#if defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4)
 // this is exactly the same WX_STRCMP_FUNC line as above wxStrcoll_String<>
 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 #endif
 
+#endif // defined(wxCRT_Strcoll[AW])
 
 template<typename T>
 inline int wxStrspn_String(const wxString& s1, const T& s2)
@@ -483,6 +480,8 @@ WX_STRCMP_FUNC(wxStrnicmp, wxCRT_StrnicmpA, wxCRT_StrnicmpW, wxStrnicmp_String)
 #undef WX_STR_FUNC
 #undef WX_STR_FUNC_NO_INVERT
 
+#if defined(wxCRT_StrxfrmA) && defined(wxCRT_StrxfrmW)
+
 inline size_t wxStrxfrm(char *dest, const char *src, size_t n)
     { return wxCRT_StrxfrmA(dest, src, n); }
 inline size_t wxStrxfrm(wchar_t *dest, const wchar_t *src, size_t n)
@@ -499,6 +498,8 @@ inline size_t wxStrxfrm(char *dest, const wxCStrData& src, size_t n)
 inline size_t wxStrxfrm(wchar_t *dest, const wxCStrData& src, size_t n)
     { return wxCRT_StrxfrmW(dest, src.AsWCharBuf(), n); }
 
+#endif // defined(wxCRT_Strxfrm[AW])
+
 inline char *wxStrtok(char *str, const char *delim, char **saveptr)
     { return wxCRT_StrtokA(str, delim, saveptr); }
 inline wchar_t *wxStrtok(wchar_t *str, const wchar_t *delim, wchar_t **saveptr)
@@ -851,6 +852,9 @@ WX_STRTOX_FUNC(wxULongLong_t, wxStrtoull, wxCRT_StrtoullA, wxCRT_StrtoullW)
 #undef WX_STRTOX_FUNC
 
 
+// there is no command interpreter under CE, hence no system()
+#ifndef __WXWINCE__
+
 // mingw32 doesn't provide _tsystem() even though it provides other stdlib.h
 // functions in their wide versions
 #ifdef wxCRT_SystemW
@@ -859,6 +863,8 @@ inline int wxSystem(const wxString& str) { return wxCRT_SystemW(str.wc_str()); }
 inline int wxSystem(const wxString& str) { return wxCRT_SystemA(str.mb_str()); }
 #endif
 
+#endif // !__WXWINCE__/__WXWINCE__
+
 inline char* wxGetenv(const char *name) { return wxCRT_GetenvA(name); }
 inline wchar_t* wxGetenv(const wchar_t *name) { return wxCRT_GetenvW(name); }
 inline char* wxGetenv(const wxString& name) { return wxCRT_GetenvA(name.mb_str()); }
@@ -866,7 +872,6 @@ inline char* wxGetenv(const wxCStrData& name) { return wxCRT_GetenvA(name.AsChar
 inline char* wxGetenv(const wxCharBuffer& name) { return wxCRT_GetenvA(name.data()); }
 inline wchar_t* wxGetenv(const wxWCharBuffer& name) { return wxCRT_GetenvW(name.data()); }
 
-
 // ----------------------------------------------------------------------------
 //                            time.h functions
 // ----------------------------------------------------------------------------