1 files changed, 157 insertions, 0 deletions
diff --git a/src/pal/src/include/pal/utils.h b/src/pal/src/include/pal/utils.h
new file mode 100644
index 0000000000..3ddad4ae2f
--- /dev/null
+++ b/src/pal/src/include/pal/utils.h
@@ -0,0 +1,157 @@
+// 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_ */