summaryrefslogtreecommitdiffhomepage
path: root/src/string
diff options
context:
space:
mode:
authormidipix <writeonce@midipix.org>2018-06-15 10:58:51 +0000
committermidipix <writeonce@midipix.org>2018-06-15 10:38:10 -0400
commit23d9540acc907b876ea1278a1113828438832ae9 (patch)
treeea950973b1c89f9f85f047980ae7d55f7df77753 /src/string
parent8ca63f397a2b4c08806de38202e443f868e6b08d (diff)
downloadntapi-23d9540acc907b876ea1278a1113828438832ae9.tar.bz2
ntapi-23d9540acc907b876ea1278a1113828438832ae9.tar.xz
string helper api's: added ntapi_tt_dec_utf16_to_uint{16|32|64|ptr}().
Diffstat (limited to 'src/string')
-rw-r--r--src/string/ntapi_tt_dec_utf16_to_uintptr.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/string/ntapi_tt_dec_utf16_to_uintptr.c b/src/string/ntapi_tt_dec_utf16_to_uintptr.c
new file mode 100644
index 0000000..93f0967
--- /dev/null
+++ b/src/string/ntapi_tt_dec_utf16_to_uintptr.c
@@ -0,0 +1,126 @@
+/********************************************************/
+/* ntapi: Native API core library */
+/* Copyright (C) 2013--2018 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_status.h>
+
+static int32_t __tt_dec_utf16_to_uint64(
+ __in const wchar16_t * wch_arg,
+ __in const wchar16_t * wch_cap,
+ __out uint64_t * key)
+{
+ int32_t status;
+ uint64_t lkey;
+ uint64_t hkey;
+ const wchar16_t * wch;
+
+ if (wch_cap <= wch_arg)
+ return NT_STATUS_INVALID_PARAMETER;
+
+ else if (wch_cap - wch_arg > 20)
+ return NT_STATUS_INVALID_PARAMETER;
+
+ lkey = 0;
+ hkey = 0;
+
+ if (wch_cap - wch_arg == 20) {
+ if ((status = __tt_dec_utf16_to_uint64(
+ &wch_arg[6],wch_cap,
+ &hkey)))
+ return status;
+
+ if (hkey > 18446744073709)
+ return NT_STATUS_INTEGER_OVERFLOW;
+
+ hkey *= 1000000;
+ wch_cap = &wch_arg[6];
+ }
+
+ for (wch=wch_arg; wch<wch_cap; wch++) {
+ if ((*wch < '0') || (*wch > '9'))
+ return NT_STATUS_INVALID_PARAMETER;
+
+ lkey *= 10;
+ lkey += *wch - '0';
+ }
+
+ *key = lkey + hkey;
+
+ return NT_STATUS_SUCCESS;
+}
+
+int32_t __stdcall __ntapi_tt_dec_utf16_to_uint16(
+ __in const wchar16_t * wch_arg,
+ __in const wchar16_t * wch_cap,
+ __out uint16_t * key)
+{
+ int32_t status;
+ uint64_t skey;
+ uint16_t rkey;
+
+ if ((status = __tt_dec_utf16_to_uint64(wch_arg,wch_cap,&skey)))
+ return status;
+
+ if ((rkey = skey) < skey)
+ return NT_STATUS_INTEGER_OVERFLOW;
+
+ *key = rkey;
+
+ return NT_STATUS_SUCCESS;
+}
+
+int32_t __stdcall __ntapi_tt_dec_utf16_to_uint32(
+ __in const wchar16_t * wch_arg,
+ __in const wchar16_t * wch_cap,
+ __out uint32_t * key)
+{
+ int32_t status;
+ uint64_t skey;
+ uint32_t rkey;
+
+ if ((status = __tt_dec_utf16_to_uint64(wch_arg,wch_cap,&skey)))
+ return status;
+
+ if ((rkey = skey) < skey)
+ return NT_STATUS_INTEGER_OVERFLOW;
+
+ *key = rkey;
+
+ return NT_STATUS_SUCCESS;
+}
+
+
+
+int32_t __stdcall __ntapi_tt_dec_utf16_to_uint64(
+ __in const wchar16_t * wch_arg,
+ __in const wchar16_t * wch_cap,
+ __out uint64_t * key)
+{
+ return __tt_dec_utf16_to_uint64(
+ wch_arg,wch_cap,key);
+}
+
+#ifdef __NT32
+int32_t __stdcall __ntapi_tt_dec_utf16_to_uintptr(
+ __in const wchar16_t * wch_arg,
+ __in const wchar16_t * wch_cap,
+ __out uintptr_t * key)
+{
+ return __tt_dec_utf16_to_uint32(
+ wch_arg,wch_cap,key);
+}
+#endif
+
+#ifdef __NT64
+int32_t __stdcall __ntapi_tt_dec_utf16_to_uintptr(
+ __in const wchar16_t * wch_arg,
+ __in const wchar16_t * wch_cap,
+ __out uintptr_t * key)
+{
+ return __tt_dec_utf16_to_uint64(
+ wch_arg,wch_cap,key);
+}
+#endif