FreeRDP/winpr/libwinpr/crt/string.c
2013-03-28 23:06:34 +01:00

415 lines
6.4 KiB
C

/**
* WinPR: Windows Portable Runtime
* String Manipulation (CRT)
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <wctype.h>
#include <winpr/crt.h>
/* String Manipulation (CRT): http://msdn.microsoft.com/en-us/library/f0151s4x.aspx */
#ifndef _WIN32
char* _strdup(const char* strSource)
{
char* strDestination;
if (strSource == NULL)
return NULL;
strDestination = strdup(strSource);
if (strDestination == NULL)
perror("strdup");
return strDestination;
}
WCHAR* _wcsdup(const WCHAR* strSource)
{
WCHAR* strDestination;
if (strSource == NULL)
return NULL;
#if sun
strDestination = wsdup(strSource);
#elif defined(__APPLE__) && defined(__MACH__) || defined(ANDROID)
strDestination = malloc(wcslen((wchar_t*)strSource));
if (strDestination != NULL)
wcscpy((wchar_t*)strDestination, (const wchar_t*)strSource);
#else
strDestination = (WCHAR*) wcsdup((wchar_t*) strSource);
#endif
if (strDestination == NULL)
perror("wcsdup");
return strDestination;
}
int _stricmp(const char* string1, const char* string2)
{
return strcasecmp(string1, string2);
}
int _strnicmp(const char* string1, const char* string2, size_t count)
{
return strncasecmp(string1, string2, count);
}
/* _wcscmp -> wcscmp */
int _wcscmp(const WCHAR* string1, const WCHAR* string2)
{
while (*string1 && (*string1 == *string2))
{
string1++;
string2++;
}
return *string1 - *string2;
}
/* _wcslen -> wcslen */
size_t _wcslen(const WCHAR* str)
{
WCHAR* p = (WCHAR*) str;
if (!p)
return 0;
while (*p)
p++;
return (p - str);
}
/* _wcschr -> wcschr */
WCHAR* _wcschr(const WCHAR* str, WCHAR c)
{
WCHAR* p = (WCHAR*) str;
while (*p && (*p != c))
p++;
return ((*p == c) ? p : NULL);
}
char* strtok_s(char* strToken, const char* strDelimit, char** context)
{
return strtok_r(strToken, strDelimit, context);
}
WCHAR* wcstok_s(WCHAR* strToken, const WCHAR* strDelimit, WCHAR** context)
{
WCHAR* nextToken;
if (!strToken)
strToken = *context;
while (*strToken && _wcschr(strDelimit, *strToken))
strToken++;
if (!*strToken)
return NULL;
nextToken = strToken++;
while (*strToken && !(_wcschr(strDelimit, *strToken)))
strToken++;
if (*strToken)
*strToken++ = 0;
*context = strToken;
return nextToken;
}
/* Windows API Sets - api-ms-win-core-string-l2-1-0.dll
* http://msdn.microsoft.com/en-us/library/hh802935/
*/
LPSTR CharUpperA(LPSTR lpsz)
{
int i;
int length;
length = strlen(lpsz);
if (length < 1)
return (LPSTR) NULL;
if (length == 1)
{
LPSTR pc = NULL;
char c = *lpsz;
if ((c >= 'a') && (c <= 'z'))
c = c - 32;
*pc = c;
return pc;
}
for (i = 0; i < length; i++)
{
if ((lpsz[i] >= 'a') && (lpsz[i] <= 'z'))
lpsz[i] = lpsz[i] - 32;
}
return lpsz;
}
LPWSTR CharUpperW(LPWSTR lpsz)
{
fprintf(stderr, "CharUpperW unimplemented!\n");
return (LPWSTR) NULL;
}
DWORD CharUpperBuffA(LPSTR lpsz, DWORD cchLength)
{
int i;
if (cchLength < 1)
return 0;
for (i = 0; i < cchLength; i++)
{
if ((lpsz[i] >= 'a') && (lpsz[i] <= 'z'))
lpsz[i] = lpsz[i] - 32;
}
return cchLength;
}
DWORD CharUpperBuffW(LPWSTR lpsz, DWORD cchLength)
{
DWORD i;
unsigned char* p;
unsigned int wc, uwc;
p = (unsigned char*) lpsz;
for (i = 0; i < cchLength; i++)
{
wc = (unsigned int) (*p);
wc += (unsigned int) (*(p + 1)) << 8;
uwc = towupper(wc);
if (uwc != wc)
{
*p = uwc & 0xFF;
*(p + 1) = (uwc >> 8) & 0xFF;
}
p += 2;
}
return cchLength;
}
LPSTR CharLowerA(LPSTR lpsz)
{
int i;
int length;
length = strlen(lpsz);
if (length < 1)
return (LPSTR) NULL;
if (length == 1)
{
LPSTR pc = NULL;
char c = *lpsz;
if ((c >= 'A') && (c <= 'Z'))
c = c + 32;
*pc = c;
return pc;
}
for (i = 0; i < length; i++)
{
if ((lpsz[i] >= 'A') && (lpsz[i] <= 'Z'))
lpsz[i] = lpsz[i] + 32;
}
return lpsz;
}
LPWSTR CharLowerW(LPWSTR lpsz)
{
fprintf(stderr, "CharLowerW unimplemented!\n");
return (LPWSTR) NULL;
}
DWORD CharLowerBuffA(LPSTR lpsz, DWORD cchLength)
{
int i;
if (cchLength < 1)
return 0;
for (i = 0; i < cchLength; i++)
{
if ((lpsz[i] >= 'A') && (lpsz[i] <= 'Z'))
lpsz[i] = lpsz[i] + 32;
}
return cchLength;
}
DWORD CharLowerBuffW(LPWSTR lpsz, DWORD cchLength)
{
DWORD i;
unsigned char* p;
unsigned int wc, uwc;
p = (unsigned char*) lpsz;
for (i = 0; i < cchLength; i++)
{
wc = (unsigned int) (*p);
wc += (unsigned int) (*(p + 1)) << 8;
uwc = towlower(wc);
if (uwc != wc)
{
*p = uwc & 0xFF;
*(p + 1) = (uwc >> 8) & 0xFF;
}
p += 2;
}
return cchLength;
}
BOOL IsCharAlphaA(CHAR ch)
{
if (((ch >= 'a') && (ch <= 'z')) || ((ch >= 'A') && (ch <= 'Z')))
return 1;
else
return 0;
}
BOOL IsCharAlphaW(WCHAR ch)
{
fprintf(stderr, "IsCharAlphaW unimplemented!\n");
return 0;
}
BOOL IsCharAlphaNumericA(CHAR ch)
{
if (((ch >= 'a') && (ch <= 'z')) || ((ch >= 'A') && (ch <= 'Z')) ||
((ch >= '0') && (ch <= '9')))
return 1;
else
return 0;
}
BOOL IsCharAlphaNumericW(WCHAR ch)
{
fprintf(stderr, "IsCharAlphaNumericW unimplemented!\n");
return 0;
}
BOOL IsCharUpperA(CHAR ch)
{
if ((ch >= 'A') && (ch <= 'Z'))
return 1;
else
return 0;
}
BOOL IsCharUpperW(WCHAR ch)
{
fprintf(stderr, "IsCharUpperW unimplemented!\n");
return 0;
}
BOOL IsCharLowerA(CHAR ch)
{
if ((ch >= 'a') && (ch <= 'z'))
return 1;
else
return 0;
}
BOOL IsCharLowerW(WCHAR ch)
{
fprintf(stderr, "IsCharLowerW unimplemented!\n");
return 0;
}
int lstrlenA(LPCSTR lpString)
{
return strlen(lpString);
}
int lstrlenW(LPCWSTR lpString)
{
LPWSTR p;
if (!lpString)
return 0;
p = (LPWSTR) lpString;
while (*p)
p++;
return p - lpString;
}
int lstrcmpA(LPCSTR lpString1, LPCSTR lpString2)
{
return strcmp(lpString1, lpString2);
}
int lstrcmpW(LPCWSTR lpString1, LPCWSTR lpString2)
{
while (*lpString1 && (*lpString1 == *lpString2))
{
lpString1++;
lpString2++;
}
return *lpString1 - *lpString2;
}
#endif