nuclear@0: /************************************************************************************
nuclear@0: 
nuclear@0: PublicHeader:   OVR_Kernel.h
nuclear@0: Filename    :   OVR_Std.h
nuclear@0: Content     :   Standard C function interface
nuclear@0: Created     :   September 19, 2012
nuclear@0: Notes       : 
nuclear@0: 
nuclear@0: Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
nuclear@0: 
nuclear@0: Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); 
nuclear@0: you may not use the Oculus VR Rift SDK except in compliance with the License, 
nuclear@0: which is provided at the time of installation or download, or which 
nuclear@0: otherwise accompanies this software in either electronic or hard copy form.
nuclear@0: 
nuclear@0: You may obtain a copy of the License at
nuclear@0: 
nuclear@0: http://www.oculusvr.com/licenses/LICENSE-3.2 
nuclear@0: 
nuclear@0: Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
nuclear@0: distributed under the License is distributed on an "AS IS" BASIS,
nuclear@0: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nuclear@0: See the License for the specific language governing permissions and
nuclear@0: limitations under the License.
nuclear@0: 
nuclear@0: ************************************************************************************/
nuclear@0: 
nuclear@0: #ifndef OVR_Std_h
nuclear@0: #define OVR_Std_h
nuclear@0: 
nuclear@0: #include "OVR_Types.h"
nuclear@0: #include <stdarg.h> // for va_list args
nuclear@0: #include <string.h>
nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@0: #include <ctype.h>
nuclear@0: 
nuclear@0: #if defined(OVR_CC_MSVC) && (OVR_CC_MSVC >= 1400)
nuclear@0: #define OVR_MSVC_SAFESTRING
nuclear@0: #include <errno.h>
nuclear@0: #endif
nuclear@0: 
nuclear@0: // Wide-char funcs
nuclear@0: #include <wchar.h>
nuclear@0: #include <wctype.h>
nuclear@0: 
nuclear@0: namespace OVR {
nuclear@0: 
nuclear@0: // Has the same behavior as itoa aside from also having a dest size argument.
nuclear@0: // Return value: Pointer to the resulting null-terminated string, same as parameter str.
nuclear@0: #if defined(OVR_OS_MS)
nuclear@0: inline char* OVR_CDECL OVR_itoa(int val, char *dest, size_t destsize, int radix)
nuclear@0: {
nuclear@0: #if defined(OVR_MSVC_SAFESTRING)
nuclear@0:     _itoa_s(val, dest, destsize, radix);
nuclear@0:     return dest;
nuclear@0: #else
nuclear@0:     OVR_UNUSED(destsize);
nuclear@0:     return itoa(val, dest, radix);
nuclear@0: #endif
nuclear@0: }
nuclear@0: #else // OVR_OS_MS
nuclear@0: inline char* OVR_itoa(int val, char* dest, size_t len, int radix)
nuclear@0: {
nuclear@0:     if (val == 0)
nuclear@0:     {
nuclear@0:         if (len > 1)
nuclear@0:         {
nuclear@0:             dest[0] = '0';
nuclear@0:             dest[1] = '\0';  
nuclear@0:         }
nuclear@0:         else if(len > 0)
nuclear@0:             dest[0] = '\0';  
nuclear@0:         return dest;
nuclear@0:     }
nuclear@0: 
nuclear@0:     // FIXME: Fix the following code to avoid memory write overruns when len is in sufficient.
nuclear@0:     int cur = val;
nuclear@0:     size_t i    = 0; 
nuclear@0:     size_t sign = 0;
nuclear@0: 
nuclear@0:     if (val < 0)
nuclear@0:     {
nuclear@0:         val = -val;
nuclear@0:         sign = 1;
nuclear@0:     }
nuclear@0: 
nuclear@0:     while ((val != 0) && (i < (len - 1 - sign)))        
nuclear@0:     {
nuclear@0:         cur    = val % radix;
nuclear@0:         val   /= radix;
nuclear@0: 
nuclear@0:         if (radix == 16)
nuclear@0:         {
nuclear@0:             switch(cur)
nuclear@0:             {
nuclear@0:             case 10:
nuclear@0:                 dest[i] = 'a';
nuclear@0:                 break;
nuclear@0:             case 11:
nuclear@0:                 dest[i] = 'b';
nuclear@0:                 break;
nuclear@0:             case 12:
nuclear@0:                 dest[i] = 'c';
nuclear@0:                 break;
nuclear@0:             case 13:
nuclear@0:                 dest[i] = 'd';
nuclear@0:                 break;
nuclear@0:             case 14:
nuclear@0:                 dest[i] = 'e';
nuclear@0:                 break;
nuclear@0:             case 15:
nuclear@0:                 dest[i] = 'f';
nuclear@0:                 break;
nuclear@0:             default:
nuclear@0:                 dest[i] = (char)('0' + cur);
nuclear@0:                 break;
nuclear@0:             }
nuclear@0:         } 
nuclear@0:         else
nuclear@0:         {
nuclear@0:             dest[i] = (char)('0' + cur);
nuclear@0:         }
nuclear@0:         ++i;
nuclear@0:     }
nuclear@0: 
nuclear@0:     if (sign)
nuclear@0:     {
nuclear@0:         dest[i++] = '-';
nuclear@0:     }
nuclear@0: 
nuclear@0:     for (size_t j = 0; j < i / 2; ++j)
nuclear@0:     {
nuclear@0:         char tmp        = dest[j];
nuclear@0:         dest[j]         = dest[i - 1 - j];
nuclear@0:         dest[i - 1 - j] = tmp;
nuclear@0:     }
nuclear@0:     dest[i] = '\0';
nuclear@0: 
nuclear@0:     return dest;
nuclear@0: }
nuclear@0: 
nuclear@0: #endif
nuclear@0: 
nuclear@0: 
nuclear@0: // String functions
nuclear@0: 
nuclear@0: inline size_t OVR_CDECL OVR_strlen(const char* str)
nuclear@0: {
nuclear@0:     return strlen(str);
nuclear@0: }
nuclear@0: 
nuclear@0: inline char* OVR_CDECL OVR_strcpy(char* dest, size_t destsize, const char* src)
nuclear@0: {
nuclear@0: #if defined(OVR_MSVC_SAFESTRING)
nuclear@0:     strcpy_s(dest, destsize, src);
nuclear@0:     return dest;
nuclear@0: #else
nuclear@0:     // FIXME: This should be a safer implementation
nuclear@0:     OVR_UNUSED(destsize);
nuclear@0:     return strcpy(dest, src);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: // Acts the same as the strlcpy function. 
nuclear@0: // Copies src to dest, 0-terminating even if it involves truncating the write.
nuclear@0: // Returns the required strlen of dest (which is one less than the required size of dest).
nuclear@0: // strlcpy is a safer alternative to strcpy and strncpy and provides size information.
nuclear@0: // However, it still may result in an incomplete copy. 
nuclear@0: //
nuclear@0: // Example usage:
nuclear@0: //     char buffer[256];
nuclear@0: //     if(OVR_strlcpy(buffer, "hello world", sizeof(buffer)) < sizeof(buffer))
nuclear@0: //         { there was enough space }
nuclear@0: //     else
nuclear@0: //         { need a larger buffer }
nuclear@0: //
nuclear@0: size_t OVR_CDECL OVR_strlcpy(char* dest, const char* src, size_t destsize);
nuclear@0: 
nuclear@0: // Acts the same as the strlcat function.
nuclear@0: // Appends src to dest, 0-terminating even if it involves an incomplete write.
nuclear@0: // Doesn't 0-terminate in the case that destsize is 0.
nuclear@0: // Returns the required strlen of dest (which is one less than the required size of dest).
nuclear@0: // The terminating 0 char of dest is overwritten by the first 
nuclear@0: // character of src, and a new 0 char is appended to dest. The required capacity 
nuclear@0: // of the destination is (strlen(src) + strlen(dest) + 1).
nuclear@0: // strlcat is a safer alternative to strcat and provides size information.
nuclear@0: // However, it still may result in an incomplete copy. 
nuclear@0: //
nuclear@0: // Example usage:
nuclear@0: //     char buffer[256] = "hello ";
nuclear@0: //     if(OVR_strlcat(buffer, "world", sizeof(buffer)) < sizeof(buffer))
nuclear@0: //         { there was enough space }
nuclear@0: //     else
nuclear@0: //         { need a larger buffer }
nuclear@0: //
nuclear@0: size_t OVR_CDECL OVR_strlcat(char* dest, const char* src, size_t destsize);
nuclear@0: 
nuclear@0: 
nuclear@0: inline char* OVR_CDECL OVR_strncpy(char* dest, size_t destsize, const char* src, size_t count)
nuclear@0: {
nuclear@0: #if defined(OVR_MSVC_SAFESTRING)
nuclear@0:     strncpy_s(dest, destsize, src, count);
nuclear@0:     return dest;
nuclear@0: #else
nuclear@0:     // FIXME: This should be a safer implementation
nuclear@0:     OVR_UNUSED(destsize);
nuclear@0:     return strncpy(dest, src, count);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: inline char * OVR_CDECL OVR_strcat(char* dest, size_t destsize, const char* src)
nuclear@0: {
nuclear@0: #if defined(OVR_MSVC_SAFESTRING)
nuclear@0:     strcat_s(dest, destsize, src);
nuclear@0:     return dest;
nuclear@0: #else
nuclear@0:     // FIXME: This should be a safer implementation
nuclear@0:     OVR_UNUSED(destsize);
nuclear@0:     return strcat(dest, src);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_strcmp(const char* dest, const char* src)
nuclear@0: {
nuclear@0:     return strcmp(dest, src);
nuclear@0: }
nuclear@0: 
nuclear@0: inline const char* OVR_CDECL OVR_strchr(const char* str, char c)
nuclear@0: {
nuclear@0:     return strchr(str, c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline char* OVR_CDECL OVR_strchr(char* str, char c)
nuclear@0: {
nuclear@0:     return strchr(str, c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline const char* OVR_strrchr(const char* str, char c)
nuclear@0: {
nuclear@0:     size_t len = OVR_strlen(str);
nuclear@0:     for (size_t i=len; i>0; i--)     
nuclear@0:         if (str[i]==c) 
nuclear@0:             return str+i;
nuclear@0:     return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: inline const uint8_t* OVR_CDECL OVR_memrchr(const uint8_t* str, size_t size, uint8_t c)
nuclear@0: {
nuclear@0:     for (intptr_t i = (intptr_t)size - 1; i >= 0; i--)     
nuclear@0:     {
nuclear@0:         if (str[i] == c) 
nuclear@0:             return str + i;
nuclear@0:     }
nuclear@0:     return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: inline char* OVR_CDECL OVR_strrchr(char* str, char c)
nuclear@0: {
nuclear@0:     size_t len = OVR_strlen(str);
nuclear@0:     for (size_t i=len; i>0; i--)     
nuclear@0:         if (str[i]==c) 
nuclear@0:             return str+i;
nuclear@0:     return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: double OVR_CDECL OVR_strtod(const char* string, char** tailptr);
nuclear@0: 
nuclear@0: inline long OVR_CDECL OVR_strtol(const char* string, char** tailptr, int radix)
nuclear@0: {
nuclear@0:     return strtol(string, tailptr, radix);
nuclear@0: }
nuclear@0: 
nuclear@0: inline long OVR_CDECL OVR_strtoul(const char* string, char** tailptr, int radix)
nuclear@0: {
nuclear@0:     return strtoul(string, tailptr, radix);
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_strncmp(const char* ws1, const char* ws2, size_t size)
nuclear@0: {
nuclear@0:     return strncmp(ws1, ws2, size);
nuclear@0: }
nuclear@0: 
nuclear@0: inline uint64_t OVR_CDECL OVR_strtouq(const char *nptr, char **endptr, int base)
nuclear@0: {
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     return _strtoui64(nptr, endptr, base);
nuclear@0: #else
nuclear@0:     return strtoull(nptr, endptr, base);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: inline int64_t OVR_CDECL OVR_strtoq(const char *nptr, char **endptr, int base)
nuclear@0: {
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     return _strtoi64(nptr, endptr, base);
nuclear@0: #else
nuclear@0:     return strtoll(nptr, endptr, base);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: inline int64_t OVR_CDECL OVR_atoq(const char* string)
nuclear@0: {
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     return _atoi64(string);
nuclear@0: #else
nuclear@0:     return atoll(string);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: inline uint64_t OVR_CDECL OVR_atouq(const char* string)
nuclear@0: {
nuclear@0:   return OVR_strtouq(string, NULL, 10);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: // Implemented in OVR_Std.cpp in platform-specific manner.
nuclear@0: int OVR_CDECL OVR_stricmp(const char* dest, const char* src);
nuclear@0: int OVR_CDECL OVR_strnicmp(const char* dest, const char* src, size_t count);
nuclear@0: 
nuclear@0: 
nuclear@0: // This is like sprintf but with a destination buffer size argument. However, the behavior is different
nuclear@0: // from vsnprintf in that the return value semantics are like sprintf (which returns -1 on capacity overflow) and 
nuclear@0: // not like snprintf (which returns intended strlen on capacity overflow).
nuclear@0: inline size_t OVR_CDECL OVR_sprintf(char *dest, size_t destsize, const char* format, ...)
nuclear@0: {
nuclear@0:     va_list argList;
nuclear@0:     va_start(argList,format);
nuclear@0:     size_t ret;
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     #if defined(OVR_MSVC_SAFESTRING)
nuclear@0:         ret = _vsnprintf_s(dest, destsize, _TRUNCATE, format, argList);
nuclear@0:         OVR_ASSERT(ret != -1);
nuclear@0:     #else
nuclear@0:         OVR_UNUSED(destsize);
nuclear@0:         ret = _vsnprintf(dest, destsize - 1, format, argList); // -1 for space for the null character
nuclear@0:         OVR_ASSERT(ret != -1);
nuclear@0:         dest[destsize-1] = 0;
nuclear@0:     #endif
nuclear@0: #else
nuclear@0:     OVR_UNUSED(destsize);
nuclear@0:     ret = vsprintf(dest, format, argList);
nuclear@0:     OVR_ASSERT(ret < destsize);
nuclear@0: #endif
nuclear@0:     va_end(argList);
nuclear@0:     return ret;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: // This is like vsprintf but with a destination buffer size argument. However, the behavior is different
nuclear@0: // from vsnprintf in that the return value semantics are like vsprintf (which returns -1 on capacity overflow) and 
nuclear@0: // not like vsnprintf (which returns intended strlen on capacity overflow).
nuclear@0: // Return value:
nuclear@0: //    On success, the total number of characters written is returned.
nuclear@0: //    On failure, a negative number is returned.
nuclear@0: inline size_t OVR_CDECL OVR_vsprintf(char *dest, size_t destsize, const char * format, va_list argList)
nuclear@0: {
nuclear@0:     size_t ret;
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     #if defined(OVR_MSVC_SAFESTRING)
nuclear@0:         dest[0] = '\0';
nuclear@0:         int rv = vsnprintf_s(dest, destsize, _TRUNCATE, format, argList);
nuclear@0:         if (rv == -1)
nuclear@0:         {
nuclear@0:             dest[destsize - 1] = '\0';
nuclear@0:             ret = destsize - 1;
nuclear@0:         }
nuclear@0:         else
nuclear@0:             ret = (size_t)rv;
nuclear@0:     #else
nuclear@0:         OVR_UNUSED(destsize);
nuclear@0:         int rv = _vsnprintf(dest, destsize - 1, format, argList);
nuclear@0:         OVR_ASSERT(rv != -1);
nuclear@0:         ret = (size_t)rv;
nuclear@0:         dest[destsize-1] = 0;
nuclear@0:     #endif
nuclear@0: #else
nuclear@0:     // FIXME: This should be a safer implementation
nuclear@0:     OVR_UNUSED(destsize);
nuclear@0:     ret = (size_t)vsprintf(dest, format, argList);
nuclear@0:     OVR_ASSERT(ret < destsize);
nuclear@0: #endif
nuclear@0:     return ret;
nuclear@0: }
nuclear@0: 
nuclear@0: // Same behavior as ISO C99 vsnprintf.
nuclear@0: // Returns the strlen of the resulting formatted string, or a negative value if the format is invalid.
nuclear@0: // destsize specifies the capacity of the input buffer.
nuclear@0: //
nuclear@0: // Example usage:
nuclear@0: //     void Log(char *dest, size_t destsize, const char * format, ...)
nuclear@0: //     {
nuclear@0: //         char buffer[1024];
nuclear@0: //         va_list argList;
nuclear@0: //         va_start(argList,format);
nuclear@0: //         int result = OVR_vsnprintf(dest, destsize, format, argList);
nuclear@0: //         assert(result < destsize); // Else we'd have to retry with a dynamically allocated buffer (of size=result+1) and new argList copy.
nuclear@0: //         va_end(argList);
nuclear@0: //     }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_vsnprintf(char *dest, size_t destsize, const char * format, va_list argList)
nuclear@0: {
nuclear@0:     int ret;
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     OVR_DISABLE_MSVC_WARNING(4996) // 'vsnprintf': This function or variable may be unsafe.
nuclear@0:     ret = vsnprintf(dest, destsize, format, argList); // Microsoft vsnprintf is non-conforming; it returns -1 if destsize is insufficient.
nuclear@0:     if (ret < 0) // If there was a format error or if destsize was insufficient...
nuclear@0:     {
nuclear@0:         ret = _vscprintf(format, argList); // Get the expected dest strlen. If the return value is still -1 then there was a format error.
nuclear@0: 
nuclear@0:         if (destsize) // If we can 0-terminate the output...
nuclear@0:         {
nuclear@0:             if (ret < 0)
nuclear@0:                 dest[0] = 0;
nuclear@0:             else
nuclear@0:                 dest[destsize-1] = 0;
nuclear@0:         }
nuclear@0:     }
nuclear@0:     // Else the string was written OK and ret is its strlen.
nuclear@0:     OVR_RESTORE_MSVC_WARNING()
nuclear@0: #else
nuclear@0:     ret = vsnprintf(dest, destsize, format, argList);
nuclear@0: #endif
nuclear@0:     return ret;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: // Same behavior as ISO C99 snprintf.
nuclear@0: // Returns the strlen of the resulting formatted string, or a negative value if the format is invalid.
nuclear@0: // destsize specifies the capacity of the input buffer.
nuclear@0: //
nuclear@0: // Example usage:
nuclear@0: //     char buffer[16];
nuclear@0: //     int result = OVR_snprintf(buffer, sizeof(buffer), "%d", 37);
nuclear@0: //     if (result >= sizeof(buffer)) // If there was insufficient capacity...
nuclear@0: //     {
nuclear@0: //         char* p = new char[result + 1]; // Or char* p = (char*)OVR_ALLOC(result + 1);
nuclear@0: //         OVR_snprintf(p, (size_t)result, "%d", 37);
nuclear@0: //         delete[] p;
nuclear@0: //     }
nuclear@0: //
nuclear@0: inline int OVR_CDECL OVR_snprintf(char *dest, size_t destsize, const char * format, ...)
nuclear@0: {
nuclear@0:     va_list argList;
nuclear@0:     va_start(argList,format);
nuclear@0:     int ret = OVR_vsnprintf(dest, destsize, format, argList);
nuclear@0:     va_end(argList);
nuclear@0:     return ret;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: // Returns the strlen of the resulting formatted string, or a negative value if the format is invalid.
nuclear@0: // Note: If you are planning on printing a string then it's more efficient to just use OVR_vsnprintf and 
nuclear@0: // look at the return value and handle the uncommon case that there wasn't enough space.
nuclear@0: inline int OVR_CDECL OVR_vscprintf(const char * format, va_list argList)
nuclear@0: {
nuclear@0:     int ret;
nuclear@0: #if defined(OVR_CC_MSVC)
nuclear@0:     ret = _vscprintf(format, argList);
nuclear@0: #else    
nuclear@0:     ret = vsnprintf(NULL, 0, format, argList);
nuclear@0: #endif
nuclear@0:     return ret;       
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: wchar_t* OVR_CDECL OVR_wcscpy(wchar_t* dest, size_t destsize, const wchar_t* src);
nuclear@0: wchar_t* OVR_CDECL OVR_wcsncpy(wchar_t* dest, size_t destsize, const wchar_t* src, size_t count);
nuclear@0: wchar_t* OVR_CDECL OVR_wcscat(wchar_t* dest, size_t destsize, const wchar_t* src);
nuclear@0: size_t   OVR_CDECL OVR_wcslen(const wchar_t* str);
nuclear@0: int      OVR_CDECL OVR_wcscmp(const wchar_t* a, const wchar_t* b);
nuclear@0: int      OVR_CDECL OVR_wcsicmp(const wchar_t* a, const wchar_t* b);
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_wcsicoll(const wchar_t* a, const wchar_t* b)
nuclear@0: {
nuclear@0: #if defined(OVR_OS_MS)
nuclear@0:     #if defined(OVR_CC_MSVC) && (OVR_CC_MSVC >= 1400)
nuclear@0:         return ::_wcsicoll(a, b);
nuclear@0:     #else
nuclear@0:         return ::wcsicoll(a, b);
nuclear@0:     #endif
nuclear@0: #else
nuclear@0:     // not supported, use regular wcsicmp
nuclear@0:     return OVR_wcsicmp(a, b);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_wcscoll(const wchar_t* a, const wchar_t* b)
nuclear@0: {
nuclear@0: #if defined(OVR_OS_MS) || defined(OVR_OS_LINUX)
nuclear@0:     return wcscoll(a, b);
nuclear@0: #else
nuclear@0:     // not supported, use regular wcscmp
nuclear@0:     return OVR_wcscmp(a, b);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: #ifndef OVR_NO_WCTYPE
nuclear@0: 
nuclear@0: inline int OVR_CDECL UnicodeCharIs(const uint16_t* table, wchar_t charCode)
nuclear@0: {
nuclear@0:     unsigned offset = table[charCode >> 8];
nuclear@0:     if (offset == 0) return 0;
nuclear@0:     if (offset == 1) return 1;
nuclear@0:     return (table[offset + ((charCode >> 4) & 15)] & (1 << (charCode & 15))) != 0;
nuclear@0: }
nuclear@0: 
nuclear@0: extern const uint16_t UnicodeAlnumBits[];
nuclear@0: extern const uint16_t UnicodeAlphaBits[];
nuclear@0: extern const uint16_t UnicodeDigitBits[];
nuclear@0: extern const uint16_t UnicodeSpaceBits[];
nuclear@0: extern const uint16_t UnicodeXDigitBits[];
nuclear@0: 
nuclear@0: // Uncomment if necessary
nuclear@0: //extern const uint16_t UnicodeCntrlBits[];
nuclear@0: //extern const uint16_t UnicodeGraphBits[];
nuclear@0: //extern const uint16_t UnicodeLowerBits[];
nuclear@0: //extern const uint16_t UnicodePrintBits[];
nuclear@0: //extern const uint16_t UnicodePunctBits[];
nuclear@0: //extern const uint16_t UnicodeUpperBits[];
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_iswalnum (wchar_t charCode) { return UnicodeCharIs(UnicodeAlnumBits,  charCode); }
nuclear@0: inline int OVR_CDECL OVR_iswalpha (wchar_t charCode) { return UnicodeCharIs(UnicodeAlphaBits,  charCode); }
nuclear@0: inline int OVR_CDECL OVR_iswdigit (wchar_t charCode) { return UnicodeCharIs(UnicodeDigitBits,  charCode); }
nuclear@0: inline int OVR_CDECL OVR_iswspace (wchar_t charCode) { return UnicodeCharIs(UnicodeSpaceBits,  charCode); }
nuclear@0: inline int OVR_CDECL OVR_iswxdigit(wchar_t charCode) { return UnicodeCharIs(UnicodeXDigitBits, charCode); }
nuclear@0: 
nuclear@0: // Uncomment if necessary
nuclear@0: //inline int OVR_CDECL OVR_iswcntrl (wchar_t charCode) { return UnicodeCharIs(UnicodeCntrlBits,  charCode); }
nuclear@0: //inline int OVR_CDECL OVR_iswgraph (wchar_t charCode) { return UnicodeCharIs(UnicodeGraphBits,  charCode); }
nuclear@0: //inline int OVR_CDECL OVR_iswlower (wchar_t charCode) { return UnicodeCharIs(UnicodeLowerBits,  charCode); }
nuclear@0: //inline int OVR_CDECL OVR_iswprint (wchar_t charCode) { return UnicodeCharIs(UnicodePrintBits,  charCode); }
nuclear@0: //inline int OVR_CDECL OVR_iswpunct (wchar_t charCode) { return UnicodeCharIs(UnicodePunctBits,  charCode); }
nuclear@0: //inline int OVR_CDECL OVR_iswupper (wchar_t charCode) { return UnicodeCharIs(UnicodeUpperBits,  charCode); }
nuclear@0: 
nuclear@0: int OVR_CDECL OVR_towupper(wchar_t charCode);
nuclear@0: int OVR_CDECL OVR_towlower(wchar_t charCode);
nuclear@0: 
nuclear@0: #else // OVR_NO_WCTYPE
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_iswspace(wchar_t c)
nuclear@0: {
nuclear@0:     return iswspace(c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_iswdigit(wchar_t c)
nuclear@0: {
nuclear@0:     return iswdigit(c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_iswxdigit(wchar_t c)
nuclear@0: {
nuclear@0:     return iswxdigit(c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_iswalpha(wchar_t c)
nuclear@0: {
nuclear@0:     return iswalpha(c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_iswalnum(wchar_t c)
nuclear@0: {
nuclear@0:     return iswalnum(c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline wchar_t OVR_CDECL OVR_towlower(wchar_t c)
nuclear@0: {
nuclear@0:     return (wchar_t)towlower(c);
nuclear@0: }
nuclear@0: 
nuclear@0: inline wchar_t OVR_towupper(wchar_t c)
nuclear@0: {
nuclear@0:     return (wchar_t)towupper(c);
nuclear@0: }
nuclear@0: 
nuclear@0: #endif // OVR_NO_WCTYPE
nuclear@0: 
nuclear@0: // ASCII versions of tolower and toupper. Don't use "char"
nuclear@0: inline int OVR_CDECL OVR_tolower(int c)
nuclear@0: {
nuclear@0:     return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c;
nuclear@0: }
nuclear@0: 
nuclear@0: inline int OVR_CDECL OVR_toupper(int c)
nuclear@0: {
nuclear@0:     return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: 
nuclear@0: inline double OVR_CDECL OVR_wcstod(const wchar_t* string, wchar_t** tailptr)
nuclear@0: {
nuclear@0: #if defined(OVR_OS_OTHER)
nuclear@0:     OVR_UNUSED(tailptr);
nuclear@0:     char buffer[64];
nuclear@0:     char* tp = NULL;
nuclear@0:     size_t max = OVR_wcslen(string);
nuclear@0:     if (max > 63) max = 63;
nuclear@0:     unsigned char c = 0;
nuclear@0:     for (size_t i=0; i < max; i++)
nuclear@0:     {
nuclear@0:         c = (unsigned char)string[i];
nuclear@0:         buffer[i] = ((c) < 128 ? (char)c : '!');
nuclear@0:     }
nuclear@0:     buffer[max] = 0;
nuclear@0:     return OVR_strtod(buffer, &tp);
nuclear@0: #else
nuclear@0:     return wcstod(string, tailptr);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: inline long OVR_CDECL OVR_wcstol(const wchar_t* string, wchar_t** tailptr, int radix)
nuclear@0: {
nuclear@0: #if defined(OVR_OS_OTHER)
nuclear@0:     OVR_UNUSED(tailptr);
nuclear@0:     char buffer[64];
nuclear@0:     char* tp = NULL;
nuclear@0:     size_t max = OVR_wcslen(string);
nuclear@0:     if (max > 63) max = 63;
nuclear@0:     unsigned char c = 0;
nuclear@0:     for (size_t i=0; i < max; i++)
nuclear@0:     {
nuclear@0:         c = (unsigned char)string[i];
nuclear@0:         buffer[i] = ((c) < 128 ? (char)c : '!');
nuclear@0:     }
nuclear@0:     buffer[max] = 0;
nuclear@0:     return strtol(buffer, &tp, radix);
nuclear@0: #else
nuclear@0:     return wcstol(string, tailptr, radix);
nuclear@0: #endif
nuclear@0: }
nuclear@0: 
nuclear@0: } // OVR
nuclear@0: 
nuclear@0: #endif // OVR_Std_h