X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3a12b759c9262ae0c4e2fca5adaf5feab573d716..62795f413a7222863b4aee76c08764071f94bd87:/src/common/wxcrt.cpp diff --git a/src/common/wxcrt.cpp b/src/common/wxcrt.cpp index d7de48de96..d46c08bce4 100644 --- a/src/common/wxcrt.cpp +++ b/src/common/wxcrt.cpp @@ -4,7 +4,6 @@ // Author: Ove Kaven // Modified by: Ron Lee, Francesco Montorsi // Created: 09/04/99 -// RCS-ID: $Id$ // Copyright: (c) wxWidgets copyright // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -21,6 +20,7 @@ #endif #include "wx/crt.h" +#include "wx/strconv.h" // wxMBConv::cWC2MB() #define _ISOC9X_SOURCE 1 // to get vsscanf() #define _BSD_SOURCE 1 // to still get strdup() @@ -28,6 +28,16 @@ #include #include #include +#include + +#ifdef __SGI__ + // wide character functions are declared in std namespace under IRIX + using namespace std; + + // and this one is only declared if __c99 is defined which is not the case + // for C++ builds, so declare it ourselves + extern "C" int vswscanf(const wchar_t *, const wchar_t *, va_list); +#endif #ifndef __WXWINCE__ #include @@ -56,18 +66,13 @@ #define wxSET_ERRNO(value) errno = value #endif -#if defined(__MWERKS__) && __MSL__ >= 0x6000 -namespace std {} -using namespace std ; -#endif - #if defined(__DARWIN__) - #include "wx/mac/corefoundation/cfref.h" - #include - #include "wx/mac/corefoundation/cfstring.h" + #include "wx/osx/core/cfref.h" + #include + #include "wx/osx/core/cfstring.h" + #include #endif -#if wxUSE_WCHAR_T WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n) { // assume that we have mbsrtowcs() too if we have wcsrtombs() @@ -88,16 +93,16 @@ WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n) #endif } - // note that we rely on common (and required by Unix98 but unfortunately not + // Note that we rely on common (and required by Unix98 but unfortunately not // C99) extension which allows to call mbs(r)towcs() with NULL output pointer // to just get the size of the needed buffer -- this is needed as otherwise - // we have no idea about how much space we need and if the CRT doesn't - // support it (the only currently known example being Metrowerks, see - // wx/crt.h) we don't use its mbstowcs() at all + // we have no idea about how much space we need. Currently all supported + // compilers do provide it and if they don't, HAVE_WCSRTOMBS shouldn't be + // defined at all. #ifdef HAVE_WCSRTOMBS - return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate); + return mbsrtowcs(NULL, &psz, 0, &mbstate); #else - return wxMbstowcs((wchar_t *) NULL, psz, 0); + return wxMbstowcs(NULL, psz, 0); #endif } @@ -122,32 +127,10 @@ WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *pwz, size_t n) } #ifdef HAVE_WCSRTOMBS - return wcsrtombs((char *) NULL, &pwz, 0, &mbstate); + return wcsrtombs(NULL, &pwz, 0, &mbstate); #else - return wxWcstombs((char *) NULL, pwz, 0); -#endif -} -#endif // wxUSE_WCHAR_T - -WXDLLIMPEXP_BASE bool wxOKlibc() -{ -#if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__) && !defined(__WINE__) - // glibc 2.0 uses UTF-8 even when it shouldn't - wchar_t res = 0; - if ((MB_CUR_MAX == 2) && - (wxMB2WC(&res, "\xdd\xa5", 1) == 1) && - (res==0x765)) { - // this is UTF-8 allright, check whether that's what we want - char *cur_locale = setlocale(LC_CTYPE, NULL); - if ((strlen(cur_locale) < 4) || - (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) || - (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) { - // nope, don't use libc conversion - return false; - } - } + return wxWcstombs(NULL, pwz, 0); #endif - return true; } char* wxSetlocale(int category, const char *locale) @@ -163,11 +146,15 @@ char* wxSetlocale(int category, const char *locale) char *rv = NULL ; if ( locale != NULL && locale[0] == 0 ) { + // the attempt to use newlocale(LC_ALL_MASK, "", NULL); + // here in order to deduce the language along the environment vars rules + // lead to strange crashes later... + // we have to emulate the behaviour under OS X wxCFRef userLocaleRef(CFLocaleCopyCurrent()); - wxMacCFStringHolder str(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleLanguageCode))); + wxCFStringRef str(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleLanguageCode))); wxString langFull = str.AsString()+"_"; - str.Assign(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleCountryCode))); + str.reset(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleCountryCode))); langFull += str.AsString(); rv = setlocale(category, langFull.c_str()); } @@ -268,29 +255,14 @@ int /* not wint_t */ wxCRT_FputcW(wchar_t wc, FILE *stream) // TODO: implement the scanf() functions static int vwscanf(const wchar_t *format, va_list argptr) { - wxFAIL_MSG( _T("TODO") ); + wxFAIL_MSG( wxT("TODO") ); return -1; } -static int vswscanf(const wchar_t *ws, const wchar_t *format, va_list argptr) -{ - // The best we can do without proper Unicode support in glibc is to - // convert the strings into MB representation and run ANSI version - // of the function. This doesn't work with %c and %s because of difference - // in size of char and wchar_t, though. - - wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1, - _T("incomplete vswscanf implementation doesn't allow %s") ); - wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1, - _T("incomplete vswscanf implementation doesn't allow %c") ); - - return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argptr); -} - static int vfwscanf(FILE *stream, const wchar_t *format, va_list argptr) { - wxFAIL_MSG( _T("TODO") ); + wxFAIL_MSG( wxT("TODO") ); return -1; } @@ -319,6 +291,24 @@ static int vwprintf(const wchar_t *format, va_list argptr) #endif // wxNEED_WPRINTF +#ifdef wxNEED_VSWSCANF +static int vswscanf(const wchar_t *ws, const wchar_t *format, va_list argptr) +{ + // The best we can do without proper Unicode support in glibc is to + // convert the strings into MB representation and run ANSI version + // of the function. This doesn't work with %c and %s because of difference + // in size of char and wchar_t, though. + + wxCHECK_MSG( wxStrstr(format, wxT("%s")) == NULL, -1, + wxT("incomplete vswscanf implementation doesn't allow %s") ); + wxCHECK_MSG( wxStrstr(format, wxT("%c")) == NULL, -1, + wxT("incomplete vswscanf implementation doesn't allow %c") ); + + return vsscanf(static_cast(wxConvLibc.cWX2MB(ws)), + wxConvLibc.cWX2MB(format), argptr); +} +#endif + // ---------------------------------------------------------------------------- // wxPrintf(), wxScanf() and relatives // ---------------------------------------------------------------------------- @@ -588,13 +578,20 @@ namespace #if !wxUSE_UTF8_LOCALE_ONLY int ConvertStringToBuf(const wxString& s, char *out, size_t outsize) { - const wxWX2WCbuf buf = s.wc_str(); + const wxCharBuffer buf(s.mb_str()); - size_t len = wxConvLibc.FromWChar(out, outsize, buf); - if ( len != wxCONV_FAILED ) - return len-1; - else - return wxConvLibc.FromWChar(NULL, 0, buf); + const size_t len = buf.length(); + if ( outsize > len ) + { + memcpy(out, buf, len+1); + } + else // not enough space + { + memcpy(out, buf, outsize-1); + out[outsize-1] = '\0'; + } + + return len; } #endif // !wxUSE_UTF8_LOCALE_ONLY @@ -653,13 +650,13 @@ int wxVsprintf(wchar_t *str, const wxString& format, va_list argptr) #if wxUSE_UNICODE_WCHAR #ifdef __DMC__ /* -This fails with a bug similar to +This fails with a bug similar to http://www.digitalmars.com/pnews/read.php?server=news.digitalmars.com&group=c++.beta&artnum=680 in DMC 8.49 and 8.50 I don't see it being used in the wxWidgets sources at present (oct 2007) CE */ #pragma message ( "warning ::::: wxVsprintf(wchar_t *str, const wxString& format, va_list argptr) not yet implemented" ) - wxFAIL_MSG( _T("TODO") ); + wxFAIL_MSG( wxT("TODO") ); return -1; #else @@ -735,7 +732,6 @@ int wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argpt } #endif // wxUSE_UNICODE -#if wxUSE_WCHAR_T // ---------------------------------------------------------------------------- // ctype.h stuff (currently unused) @@ -806,6 +802,43 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_StrdupW(const wchar_t *pwz) } #endif // wxCRT_StrdupW +#ifndef wxWCHAR_T_IS_WXCHAR16 +size_t wxStrlen(const wxChar16 *s ) +{ + if (!s) return 0; + size_t i=0; + while (*s!=0) { ++i; ++s; }; + return i; +} + +wxChar16* wxStrdup(const wxChar16* s) +{ + size_t size = (wxStrlen(s) + 1) * sizeof(wxChar16); + wxChar16 *ret = (wxChar16*) malloc(size); + memcpy(ret, s, size); + return ret; +} +#endif + +#ifndef wxWCHAR_T_IS_WXCHAR32 +size_t wxStrlen(const wxChar32 *s ) +{ + if (!s) return 0; + size_t i=0; + while (*s!=0) { ++i; ++s; }; + return i; +} + +wxChar32* wxStrdup(const wxChar32* s) +{ + size_t size = (wxStrlen(s) + 1) * sizeof(wxChar32); + wxChar32 *ret = (wxChar32*) malloc(size); + if ( ret ) + memcpy(ret, s, size); + return ret; +} +#endif + #ifndef wxCRT_StricmpA WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2) { @@ -885,7 +918,7 @@ WXDLLIMPEXP_BASE wchar_t* wxCRT_GetenvW(const wchar_t *name) // NB: buffer returned by getenv() is allowed to be overwritten next // time getenv() is called, so it is OK to use static string // buffer to hold the data. - static wxWCharBuffer value((wchar_t*)NULL); + static wxWCharBuffer value; value = wxConvLibc.cMB2WC(getenv(wxConvLibc.cWC2MB(name))); return value.data(); } @@ -917,8 +950,6 @@ wxCRT_StrftimeW(wchar_t *s, size_t maxsize, const wchar_t *fmt, const struct tm } #endif // !wxCRT_StrftimeW -#endif // wxUSE_WCHAR_T - #ifdef wxLongLong_t template static wxULongLong_t @@ -944,23 +975,35 @@ wxCRT_StrtoullBase(const T* nptr, T** endptr, int base, T* sign) } } - // Starts with 0x? + // Starts with octal or hexadecimal prefix? if ( i != end && *i == wxT('0') ) { ++i; if ( i != end ) { - if ( *i == wxT('x') && (base == 16 || base == 0) ) + if ( (*i == wxT('x')) || (*i == wxT('X')) ) { - base = 16; - ++i; + // Hexadecimal prefix: use base 16 if auto-detecting. + if ( base == 0 ) + base = 16; + + // If we do use base 16, just skip "x" as well. + if ( base == 16 ) + { + ++i; + } + else // Not using base 16 + { + // Then it's an error. + if ( endptr ) + *endptr = (T*) nptr; + wxSET_ERRNO(EINVAL); + return sum; + } } - else + else if ( base == 0 ) { - if ( endptr ) - *endptr = (T*) nptr; - wxSET_ERRNO(EINVAL); - return sum; + base = 8; } } else @@ -1031,12 +1074,9 @@ static wxLongLong_t wxCRT_DoStrtoll(const T* nptr, T** endptr, int base) if ( sign == wxT('-') ) { - if ( uval <= wxULL(wxINT64_MAX+1) ) + if (uval <= (wxULongLong_t)wxINT64_MAX + 1) { - if ( uval == wxULL(wxINT64_MAX+1)) - val = -((wxLongLong_t)wxINT64_MAX) - 1; - else - val = -((wxLongLong_t)uval); + val = -(wxLongLong_t)uval; } else { @@ -1076,7 +1116,7 @@ wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr, wchar_t** endptr, int base) #endif // wxLongLong_t // ---------------------------------------------------------------------------- -// functions which we may need even if !wxUSE_WCHAR_T +// strtok() functions // ---------------------------------------------------------------------------- template @@ -1092,15 +1132,15 @@ static T *wxCRT_DoStrtok(T *psz, const T *delim, T **save_ptr) psz += wxStrspn(psz, delim); if (!*psz) { - *save_ptr = (T *)NULL; - return (T *)NULL; + *save_ptr = NULL; + return NULL; } T *ret = psz; psz = wxStrpbrk(psz, delim); if (!psz) { - *save_ptr = (T*)NULL; + *save_ptr = NULL; } else { @@ -1199,7 +1239,7 @@ void wxUpdateLocaleIsUtf8() #if wxUSE_UTF8_LOCALE_ONLY if ( !wxIsLocaleUtf8() ) { - wxLogFatalError(_T("This program requires UTF-8 locale to run.")); + wxLogFatalError(wxT("This program requires UTF-8 locale to run.")); } #else // !wxUSE_UTF8_LOCALE_ONLY wxLocaleIsUtf8 = wxIsLocaleUtf8(); @@ -1223,9 +1263,11 @@ void wxUpdateLocaleIsUtf8() int wxPuts(const wxString& s) { + // under IRIX putws() takes a non-const argument so use wchar_str() instead + // of wc_str() CALL_ANSI_OR_UNICODE(return, wxCRT_PutsA(s.mb_str()), - wxCRT_PutsW(s.wc_str())); + wxCRT_PutsW(s.wchar_str())); } int wxFputs(const wxString& s, FILE *stream) @@ -1282,21 +1324,21 @@ wchar_t *wxFgets(wchar_t *s, int size, FILE *stream) // wxScanf() and friends // ---------------------------------------------------------------------------- -#ifndef HAVE_NO_VSSCANF // __VISUALC__ and __DMC__ see wx/crt.h +#ifdef HAVE_VSSCANF // __VISUALC__ and __DMC__ see wx/crt.h int wxVsscanf(const char *str, const char *format, va_list ap) { return wxCRT_VsscanfA(str, format, ap); } int wxVsscanf(const wchar_t *str, const wchar_t *format, va_list ap) { return wxCRT_VsscanfW(str, format, ap); } int wxVsscanf(const wxCharBuffer& str, const char *format, va_list ap) - { return wxCRT_VsscanfA(str, format, ap); } + { return wxCRT_VsscanfA(static_cast(str), format, ap); } int wxVsscanf(const wxWCharBuffer& str, const wchar_t *format, va_list ap) { return wxCRT_VsscanfW(str, format, ap); } int wxVsscanf(const wxString& str, const char *format, va_list ap) - { return wxCRT_VsscanfA(str.mb_str(), format, ap); } + { return wxCRT_VsscanfA(static_cast(str.mb_str()), format, ap); } int wxVsscanf(const wxString& str, const wchar_t *format, va_list ap) { return wxCRT_VsscanfW(str.wc_str(), format, ap); } int wxVsscanf(const wxCStrData& str, const char *format, va_list ap) - { return wxCRT_VsscanfA(str.AsCharBuf(), format, ap); } + { return wxCRT_VsscanfA(static_cast(str.AsCharBuf()), format, ap); } int wxVsscanf(const wxCStrData& str, const wchar_t *format, va_list ap) { return wxCRT_VsscanfW(str.AsWCharBuf(), format, ap); } #endif // HAVE_NO_VSSCANF