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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*++
Module Name:
include/pal/utils.h
Abstract:
Miscellaneous helper functions for the PAL, which don't fit anywhere else
--*/
#ifndef _PAL_UTILS_H_
#define _PAL_UTILS_H_
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
/*++
Function:
UTIL_inverse_wcspbrk
Opposite of wcspbrk : searches a string for the first character NOT in the
given set
Parameters :
LPWSTR lpwstr : string to search
LPCWSTR charset : list of characters to search for
Return value :
pointer to first character of lpwstr that isn't in the set
NULL if all characters are in the set
--*/
LPWSTR UTIL_inverse_wcspbrk(LPWSTR lpwstr, LPCWSTR charset);
/*++
Function :
UTIL_IsReadOnlyBitsSet
Takes a struct stat *
Returns true if the file is read only,
--*/
BOOL UTIL_IsReadOnlyBitsSet( struct stat * stat_data );
/*++
Function :
UTIL_IsExecuteBitsSet
Takes a struct stat *
Returns true if the file is executable.
--*/
BOOL UTIL_IsExecuteBitsSet( struct stat * stat_data );
/*++
Function :
UTIL_WCToMB_Alloc
Converts a wide string to a multibyte string, allocating the required buffer
Parameters :
LPCWSTR lpWideCharStr : string to convert
int cchWideChar : number of wide characters to convert
(-1 to convert a complete null-termnated string)
Return Value :
newly allocated buffer containing the converted string. Conversion is
performed using CP_ACP. Buffer is allocated with malloc(), release it
with free().
In case if failure, LastError will be set.
--*/
LPSTR UTIL_WCToMB_Alloc(LPCWSTR lpWideCharStr, int cchWideChar);
/*++
Function :
UTIL_MBToWC_Alloc
Converts a multibyte string to a wide string, allocating the required buffer
Parameters :
LPCSTR lpMultiByteStr : string to convert
int cbMultiByte : number of bytes to convert
(-1 to convert a complete null-termnated string)
Return Value :
newly allocated buffer containing the converted string. Conversion is
performed using CP_ACP. Buffer is allocated with malloc(), release it
with free().
In case if failure, LastError will be set.
--*/
LPWSTR UTIL_MBToWC_Alloc(LPCSTR lpMultiByteStr, int cbMultiByte);
#if HAVE_VM_ALLOCATE
#include <mach/kern_return.h>
/*++
Function:
UTIL_MachErrorToPalError
Maps a Mach kern_return_t to a Win32 error code.
--*/
DWORD UTIL_MachErrorToPalError(kern_return_t MachReturn);
/*++
Function:
UTIL_SetLastErrorFromMach
Sets Win32 LastError according to the argument Mach kern_return_t value,
provided it indicates an error. If the argument indicates success, does
not modify LastError.
--*/
void UTIL_SetLastErrorFromMach(kern_return_t MachReturn);
#endif //HAVE_VM_ALLOCATE
#ifdef __cplusplus
}
#endif // __cplusplus
class StringHolder
{
private:
LPSTR data;
public:
StringHolder() : data(NULL) { }
~StringHolder()
{
PAL_free( data);
}
operator LPSTR () { return data;}
StringHolder& operator= (LPSTR value)
{
data = value;
return *this;
}
BOOL IsNull()
{
return data == NULL;
}
};
#endif /* _PAL_UTILS_H_ */
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