Changeset 9684 for trunk/src/NTDLL/rtlstr.c

Timestamp:

Jan 16, 2003, 4:22:42 PM (23 years ago)

Author:

sandervl

Message:

PF: Changes for building dll with GCC

File:

• trunk/src/NTDLL/rtlstr.c (modified) (2 diffs)

trunk/src/NTDLL/rtlstr.c

@@ -36 +36 @@
 #define RtlAllocateHeap  HeapAlloc
 #define RtlFreeHeap      HeapFree
+#ifdef __EMX__
+  #define min(a,b)  (((a) < (b)) ? (a) : (b))
+  #define max(a,b)  (((a) > (b)) ? (a) : (b))
 #endif
+#endif
+
 
 UINT NlsAnsiCodePage = 1252;
@@ -841 +846 @@
         return len;
 }
+
+/**************************************************************************
+ *      RtlUnicodeStringToInteger (NTDLL.@)
+ *
+ *      Convert a text buffer into its integer form
+ */
+NTSTATUS WINAPI RtlUnicodeStringToInteger(
+        const UNICODE_STRING *str,
+        int base,
+        int * pdest)
+{
+        LPWSTR lpwstr = str->Buffer;
+        WCHAR wchCurrent = 0;
+        int CharsParsed = 0;
+        int RunningTotal = 0;
+        char bMinus = 0;
+
+        /* no checking done on UNICODE_STRING and int* in native DLL either */
+        TRACE("(%p, %d, %p)", str, base, pdest);
+
+        switch (base)
+        {
+                case 0:
+                        base = 10;
+                        break;
+                case 2:
+                case 8:
+                case 10:
+                case 16:
+                        break;
+                default:
+                        return STATUS_INVALID_PARAMETER;
+        }
+
+        if ((str->Length) >= 4 && (base == 10) && (*lpwstr == '0') && (*(lpwstr+1) == 'x'))
+        {
+                lpwstr+=2;
+                base = 16;
+        }
+
+        *pdest = 0;
+        for (; (CharsParsed*sizeof(WCHAR) < str->Length) && (*lpwstr <= ' '); lpwstr++)
+                CharsParsed++;
+
+        if (*lpwstr == '+')
+                lpwstr++;
+        else if (*lpwstr == '-')
+        {
+                bMinus = 1;
+                lpwstr++;
+        }
+
+        for (; (CharsParsed*sizeof(WCHAR) < str->Length) && (*lpwstr != '\0'); lpwstr++)
+        {
+                CharsParsed++;
+                wchCurrent = *lpwstr;
+                if (wchCurrent >= 'A')
+                        wchCurrent = '0' + 10 + wchCurrent - 'A';
+                if ((wchCurrent - '0') >= base || wchCurrent < '0')
+                {
+                        *pdest = bMinus ? -RunningTotal: RunningTotal;
+                        return STATUS_SUCCESS;
+                }
+                /*
+                 * increase significance of previous digits each time
+                 * we find another valid one and add on this valid one
+                 */
+                RunningTotal = wchCurrent - '0' + RunningTotal * base;
+        }
+
+        *pdest = bMinus ? -RunningTotal : RunningTotal;
+        return STATUS_SUCCESS;
+}