X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/28efe6544f28ba7b37a77c033901fdd6f3978b82..ab67e8874db324fab5223cc8d5dff8a8de3e2b77:/include/wx/wxcrtbase.h diff --git a/include/wx/wxcrtbase.h b/include/wx/wxcrtbase.h index e9f28d43cc..406190292c 100644 --- a/include/wx/wxcrtbase.h +++ b/include/wx/wxcrtbase.h @@ -2,7 +2,7 @@ * Name: wx/wxcrtbase.h * Purpose: Type-safe ANSI and Unicode builds compatible wrappers for * CRT functions - * Author: Joel Farley, Ove Kåven + * Author: Joel Farley, Ove Kaaven * Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee * Created: 1998/06/12 * RCS-ID: $Id$ @@ -26,6 +26,10 @@ NB: don't include any wxWidgets headers here because almost all of them include this one! + + NB2: User code should include wx/crt.h instead of including this + header directly. + */ #include @@ -34,17 +38,32 @@ #include #include +#if defined(__WINDOWS__) && !defined(__WXWINCE__) + #include +#endif #if defined(HAVE_STRTOK_R) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS char *strtok_r(char *, const char *, char **); #endif +/* + Using -std=c++{98,0x} option with mingw32 disables most of standard + library extensions, so we can't rely on the presence of common non-ANSI + functions, define a special symbol to test for this. Notice that this + doesn't need to be done for g++ under Linux where _GNU_SOURCE (which is + defined by default) still makes all common extensions available even in + ANSI mode. + */ +#if defined(__MINGW32__) && defined(__STRICT_ANSI__) + #define __WX_STRICT_ANSI_GCC__ +#endif + /* a few compilers don't have the (non standard but common) isascii function, define it ourselves for them */ #ifndef isascii - #if defined(__MWERKS__) + #if defined(__WX_STRICT_ANSI_GCC__) #define wxNEED_ISASCII #elif defined(_WIN32_WCE) #if _WIN32_WCE <= 211 @@ -59,15 +78,13 @@ #ifdef _WIN32_WCE #if _WIN32_WCE <= 211 - #define isspace(c) ((c) == _T(' ') || (c) == _T('\t')) + #define isspace(c) ((c) == wxT(' ') || (c) == wxT('\t')) #endif #endif /* _WIN32_WCE */ /* string.h functions */ #ifndef strdup - #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000) - #define wxNEED_STRDUP - #elif defined(__WXWINCE__) + #if defined(__WXWINCE__) #if _WIN32_WCE <= 211 #define wxNEED_STRDUP #endif @@ -86,21 +103,6 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size ); #endif /* _WIN32_WCE */ -#if defined(__MWERKS__) - /* Metrowerks only has wide char support for OS X >= 10.3 */ - #if !defined(__DARWIN__) || \ - (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3) - #define wxHAVE_MWERKS_UNICODE - #endif - - #ifdef wxHAVE_MWERKS_UNICODE - #define HAVE_WPRINTF 1 - #define HAVE_WCSRTOMBS 1 - #define HAVE_VSWPRINTF 1 - #endif -#endif /* __MWERKS__ */ - - /* ------------------------------------------------------------------------- UTF-8 locale handling ------------------------------------------------------------------------- */ @@ -129,7 +131,6 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size ); #define wxCRT_StrcatA strcat #define wxCRT_StrchrA strchr #define wxCRT_StrcmpA strcmp -#define wxCRT_StrcollA strcoll #define wxCRT_StrcpyA strcpy #define wxCRT_StrcspnA strcspn #define wxCRT_StrlenA strlen @@ -140,12 +141,10 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size ); #define wxCRT_StrrchrA strrchr #define wxCRT_StrspnA strspn #define wxCRT_StrstrA strstr -#define wxCRT_StrxfrmA strxfrm #define wxCRT_StrcatW wcscat #define wxCRT_StrchrW wcschr #define wxCRT_StrcmpW wcscmp -#define wxCRT_StrcollW wcscoll #define wxCRT_StrcpyW wcscpy #define wxCRT_StrcspnW wcscspn #define wxCRT_StrncatW wcsncat @@ -155,19 +154,32 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size ); #define wxCRT_StrrchrW wcsrchr #define wxCRT_StrspnW wcsspn #define wxCRT_StrstrW wcsstr -#define wxCRT_StrxfrmW wcsxfrm -/* Almost all compiler have strdup(), but not quite all: CodeWarrior under - Mac and VC++ for Windows CE don't provide it; additionally, gcc under - Mac and OpenVMS do not have wcsdup: */ -#if defined(__VISUALC__) && __VISUALC__ >= 1400 +/* these functions are not defined under CE, at least in VC8 CRT */ +#if !defined(__WXWINCE__) + #define wxCRT_StrcollA strcoll + #define wxCRT_StrxfrmA strxfrm + + #define wxCRT_StrcollW wcscoll + #define wxCRT_StrxfrmW wcsxfrm +#endif /* __WXWINCE__ */ + +/* Almost all compiler have strdup(), but VC++ for CE doesn't provide it. + Another special case is gcc in strict ANSI mode: normally it doesn't provide + strdup() but MinGW does provide it under MSVC-compatible name so test for it + before checking __WX_STRICT_ANSI_GCC__. */ +#if (defined(__VISUALC__) && __VISUALC__ >= 1400) || \ + defined(__MINGW32__) #define wxCRT_StrdupA _strdup -#elif !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__) +#elif !(defined(__WXWINCE__) || defined(__WX_STRICT_ANSI_GCC__)) #define wxCRT_StrdupA strdup #endif -#if defined(__WINDOWS__) + +/* most Windows compilers provide _wcsdup() */ +#if defined(__WINDOWS__) && \ + !(defined(__CYGWIN__) || defined(__WX_STRICT_ANSI_GCC__)) #define wxCRT_StrdupW _wcsdup -#elif !defined(__DARWIN__) && !defined( __VMS ) +#elif defined(HAVE_WCSDUP) #define wxCRT_StrdupW wcsdup #endif @@ -208,34 +220,55 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size ); #endif /* HAVE_WCSTOULL */ #endif +/* + Only VC8 and later provide strnlen() and wcsnlen() functions under Windows + and it's also only available starting from Windows CE 6.0 only in CE build. + */ +#if wxCHECK_VISUALC_VERSION(8) && (!defined(_WIN32_WCE) || (_WIN32_WCE >= 0x600)) + #ifndef HAVE_STRNLEN + #define HAVE_STRNLEN + #endif + #ifndef HAVE_WCSNLEN + #define HAVE_WCSNLEN + #endif +#endif + +#ifdef HAVE_STRNLEN + #define wxCRT_StrnlenA strnlen +#endif + +#ifdef HAVE_WCSNLEN + #define wxCRT_StrnlenW wcsnlen +#endif /* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */ -/* note that we definitely are going to need our own version for widechar - * versions */ -#if !defined(wxCRT_StricmpA) - #if defined(__BORLANDC__) || defined(__WATCOMC__) || \ - defined(__SALFORDC__) || defined(__VISAGECPP__) || \ - defined(__EMX__) || defined(__DJGPP__) - #define wxCRT_StricmpA stricmp - #define wxCRT_StrnicmpA strnicmp - #elif defined(__WXPALMOS__) - /* FIXME: There is no equivalent to strnicmp in the Palm OS API. This - * quick hack should do until one can be written. - */ - #define wxCRT_StricmpA StrCaselessCompare - #define wxCRT_StrnicmpA strnicmp - #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \ - (defined(__MWERKS__) && defined(__INTEL__)) - #define wxCRT_StricmpA _stricmp - #define wxCRT_StrnicmpA _strnicmp - #elif defined(__UNIX__) || defined(__GNUWIN32__) - #define wxCRT_StricmpA strcasecmp - #define wxCRT_StrnicmpA strncasecmp - /* #else -- use wxWidgets implementation */ +#if defined(__BORLANDC__) || defined(__WATCOMC__) || \ + defined(__VISAGECPP__) || \ + defined(__EMX__) || defined(__DJGPP__) + #define wxCRT_StricmpA stricmp + #define wxCRT_StrnicmpA strnicmp +#elif defined(__SYMANTEC__) || defined(__VISUALC__) + #define wxCRT_StricmpA _stricmp + #define wxCRT_StrnicmpA _strnicmp +#elif defined(__UNIX__) || (defined(__GNUWIN32__) && !defined(__WX_STRICT_ANSI_GCC__)) + #define wxCRT_StricmpA strcasecmp + #define wxCRT_StrnicmpA strncasecmp +/* #else -- use wxWidgets implementation */ +#endif + +#ifdef __VISUALC__ + #define wxCRT_StricmpW _wcsicmp + #define wxCRT_StrnicmpW _wcsnicmp +#elif defined(__UNIX__) + #ifdef HAVE_WCSCASECMP + #define wxCRT_StricmpW wcscasecmp + #endif + #ifdef HAVE_WCSNCASECMP + #define wxCRT_StrnicmpW wcsncasecmp #endif -#endif /* !defined(wxCRT_StricmpA) */ -/* FIXME-UTF8: use wcs(n)casecmp if available for *W versions */ +/* #else -- use wxWidgets implementation */ +#endif #ifdef HAVE_STRTOK_R #define wxCRT_StrtokA(str, sep, last) strtok_r(str, sep, last) @@ -369,14 +402,24 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wcha #endif /* supply strtoll and strtoull, if needed */ -#ifndef wxCRT_StrtollA - WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr, char** endptr, int base); - WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr, char** endptr, int base); -#endif -#ifndef wxCRT_StrtollW - WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr, wchar_t** endptr, int base); - WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr, wchar_t** endptr, int base); -#endif +#ifdef wxLongLong_t + #ifndef wxCRT_StrtollA + WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr, + char** endptr, + int base); + WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr, + char** endptr, + int base); + #endif + #ifndef wxCRT_StrtollW + WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr, + wchar_t** endptr, + int base); + WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr, + wchar_t** endptr, + int base); + #endif +#endif /* wxLongLong_t */ /* ------------------------------------------------------------------------- @@ -400,10 +443,9 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wcha #define wxCRT_Rename rename #else /* Unicode filenames */ - /* special case: these functions are missing under Win9x with Unicows so we have to implement them ourselves */ - #if wxUSE_UNICODE_MSLU + #if wxUSE_UNICODE_MSLU || defined(__WX_STRICT_ANSI_GCC__) WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode); WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream); WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname); @@ -413,17 +455,17 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wcha #define wxCRT_Remove wxMSLU__wremove #define wxCRT_Rename wxMSLU__wrename #else - #define wxCRT_Rename _wrename - #define wxCRT_Fopen _wfopen - #define wxCRT_Freopen _wfreopen + /* WinCE CRT doesn't provide these functions so use our own */ #ifdef __WXWINCE__ - /* carefully: wxCRT_Remove() must return 0 on success while - DeleteFile() returns 0 on error, so don't just define one as - the other */ - int wxCRT_Remove(const wchar_t *path); + WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src, + const wchar_t *dst); + WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path); #else + #define wxCRT_Rename _wrename #define wxCRT_Remove _wremove #endif + #define wxCRT_Fopen _wfopen + #define wxCRT_Freopen _wfreopen #endif #endif /* wxMBFILES/!wxMBFILES */ @@ -463,20 +505,23 @@ WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream); WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream); #endif -#define wxCRT_TmpnamA tmpnam -#ifdef _ttmpnam - #define wxCRT_TmpnamW _wtmpnam -#endif +/* + NB: tmpnam() is unsafe and thus is not wrapped! + Use other wxWidgets facilities instead: + wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream +*/ +#define wxTmpnam(x) wxTmpnam_is_insecure_use_wxTempFile_instead -#ifndef wxCRT_TmpnamW -WXDLLIMPEXP_BASE wchar_t *wxCRT_TmpnamW(wchar_t *s); -#endif +/* FIXME-CE: provide our own perror() using ::GetLastError() */ +#ifndef __WXWINCE__ #define wxCRT_PerrorA perror #ifdef wxHAVE_TCHAR_SUPPORT #define wxCRT_PerrorW _wperror #endif +#endif /* !__WXWINCE__ */ + /* ------------------------------------------------------------------------- stdlib.h ------------------------------------------------------------------------- */ @@ -484,8 +529,8 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_TmpnamW(wchar_t *s); /* there are no env vars at all under CE, so no _tgetenv neither */ #ifdef __WXWINCE__ /* can't define as inline function as this is a C file... */ - #define wxCRT_GetenvA(name) ((char*)NULL) - #define wxCRT_GetenvW(name) ((wchar_t*)NULL) + #define wxCRT_GetenvA(name) (name, NULL) + #define wxCRT_GetenvW(name) (name, NULL) #else #define wxCRT_GetenvA getenv #ifdef _tgetenv @@ -508,42 +553,20 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name); #define wxCRT_AtoiA atoi #define wxCRT_AtolA atol -#if defined(__MWERKS__) - #if defined(__MSL__) - #define wxCRT_AtofW watof - #define wxCRT_AtoiW watoi - #define wxCRT_AtolW watol - /* else: use ANSI versions */ - #endif -#elif defined(wxHAVE_TCHAR_SUPPORT) +#if defined(wxHAVE_TCHAR_SUPPORT) && !defined(__WX_STRICT_ANSI_GCC__) #define wxCRT_AtoiW _wtoi #define wxCRT_AtolW _wtol /* _wtof doesn't exist */ #else #ifndef __VMS - #define wxCRT_AtofW(s) wcstof(s, NULL) + #define wxCRT_AtofW(s) wcstod(s, NULL) #endif #define wxCRT_AtolW(s) wcstol(s, NULL, 10) /* wcstoi doesn't exist */ #endif -/* - There are 2 unrelated problems with these functions under Mac: - a) Metrowerks MSL CRT implements them strictly in C99 sense and - doesn't support (very common) extension of allowing to call - mbstowcs(NULL, ...) which makes it pretty useless as you can't - know the size of the needed buffer - b) OS X <= 10.2 declares and even defined these functions but - doesn't really implement them -- they always return an error - - So use our own replacements in both cases. - */ -#if defined(__MWERKS__) && defined(__MSL__) - #define wxNEED_WX_MBSTOWCS -#endif - #ifdef __DARWIN__ - #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 + #if !defined(__WXOSX_IPHONE__) && MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 #define wxNEED_WX_MBSTOWCS #endif #endif @@ -565,8 +588,36 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name); ------------------------------------------------------------------------- */ #define wxCRT_StrftimeA strftime -/* FIXME-UTF8: when is this available? */ -#define wxCRT_StrftimeW wcsftime +#ifdef __SGI__ + /* + IRIX provides not one but two versions of wcsftime(): XPG4 one which + uses "const char*" for the third parameter and so can't be used and the + correct, XPG5, one. Unfortunately we can't just define _XOPEN_SOURCE + high enough to get XPG5 version as this undefines other symbols which + make other functions we use unavailable (see for gory + details). So just declare the XPG5 version ourselves, we're extremely + unlikely to ever be compiled on a system without it. But if we ever do, + a configure test would need to be added for it (and _MIPS_SYMBOL_PRESENT + should be used to check for its presence during run-time, i.e. it would + probably be simpler to just always use our own wxCRT_StrftimeW() below + if it does ever become a problem). + */ +#ifdef __cplusplus + extern "C" +#endif + size_t + _xpg5_wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm * ); + #define wxCRT_StrftimeW _xpg5_wcsftime +#else + /* + Assume it's always available under non-Unix systems as this does seem + to be the case for now. And under Unix we trust configure to detect it + (except for SGI special case above). + */ + #if defined(HAVE_WCSFTIME) || !defined(__UNIX__) + #define wxCRT_StrftimeW wcsftime + #endif +#endif #ifndef wxCRT_StrftimeW WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max, @@ -633,12 +684,24 @@ WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max, /* safe version of strlen() (returns 0 if passed NULL pointer) */ inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; } inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; } +#ifndef wxWCHAR_T_IS_WXCHAR16 + WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar16 *s ); +#endif +#ifndef wxWCHAR_T_IS_WXCHAR32 + WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar32 *s ); +#endif #define wxWcslen wxCRT_StrlenW #define wxStrdupA wxCRT_StrdupA #define wxStrdupW wxCRT_StrdupW inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); } inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); } +#ifndef wxWCHAR_T_IS_WXCHAR16 + WXDLLIMPEXP_BASE wxChar16* wxStrdup(const wxChar16* s); +#endif +#ifndef wxWCHAR_T_IS_WXCHAR32 + WXDLLIMPEXP_BASE wxChar32* wxStrdup(const wxChar32* s); +#endif #endif /* __cplusplus */