string functions: added __ntapi_tt_strcmp_multibyte().

6 files changed, 26 insertions, 0 deletions

diff --git a/include/ntapi/nt_string.h b/include/ntapi/nt_string.h
index 93cd1f6..a44e287 100644
--- a/include/ntapi/nt_string.h
+++ b/include/ntapi/nt_string.h
@@ -43,6 +43,10 @@ typedef size_t __cdecl ntapi_tt_string_null_offset_qword(
 typedef size_t __cdecl ntapi_tt_string_null_offset_ptrsize(
 	__in	const intptr_t *str);
 
+typedef int    __cdecl ntapi_tt_strcmp_multibyte(
+	__in	const char *	a,
+	__in	const char *	b);
+
 typedef void __cdecl		ntapi_tt_init_unicode_string_from_utf16(
 	__out 	nt_unicode_string *	str_dest,
 	__in	wchar16_t *		str_src);
diff --git a/include/ntapi/ntapi.h b/include/ntapi/ntapi.h
index 714abf0..1b618d5 100644
--- a/include/ntapi/ntapi.h
+++ b/include/ntapi/ntapi.h
@@ -400,6 +400,7 @@ typedef struct _ntapi_vtbl {
 	ntapi_tt_string_null_offset_dword *		tt_string_null_offset_dword;
 	ntapi_tt_string_null_offset_qword *		tt_string_null_offset_qword;
 	ntapi_tt_string_null_offset_ptrsize *		tt_string_null_offset_ptrsize;
+	ntapi_tt_strcmp_multibyte *			tt_strcmp_multibyte;
 	ntapi_tt_aligned_block_memset *			tt_aligned_block_memset;
 	ntapi_tt_aligned_block_memcpy *			tt_aligned_block_memcpy;
 	ntapi_tt_aligned_memcpy_utf16 *			tt_aligned_memcpy_utf16;
diff --git a/project/common.mk b/project/common.mk
index 45951fa..52b1a18 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -73,6 +73,7 @@ COMMON_SRCS = \
 	src/string/ntapi_tt_hex_utf16_to_uintptr.c \
 	src/string/ntapi_tt_init_unicode_string_from_utf16.c \
 	src/string/ntapi_tt_memcpy_utf16.c \
+	src/string/ntapi_tt_strcmp_multibyte.c \
 	src/string/ntapi_tt_string_null_offset.c \
 	src/string/ntapi_tt_uintptr_to_hex_utf16.c \
 	src/string/ntapi_tt_uintptr_to_hex_utf8.c \
diff --git a/src/internal/ntapi.c b/src/internal/ntapi.c
index e67bcf1..b01a52c 100644
--- a/src/internal/ntapi.c
+++ b/src/internal/ntapi.c
@@ -167,6 +167,7 @@ static int32_t __fastcall __ntapi_init_once(ntapi_vtbl ** pvtbl)
 	__ntapi->tt_string_null_offset_dword			= __ntapi_tt_string_null_offset_dword;
 	__ntapi->tt_string_null_offset_qword			= __ntapi_tt_string_null_offset_qword;
 	__ntapi->tt_string_null_offset_ptrsize			= __ntapi_tt_string_null_offset_ptrsize;
+	__ntapi->tt_strcmp_multibyte				= __ntapi_tt_strcmp_multibyte;
 	__ntapi->strlen						= __ntapi_tt_string_null_offset_multibyte;
 	__ntapi->wcslen						= __ntapi_wcslen;
 	__ntapi->tt_aligned_block_memset 			= __ntapi_tt_aligned_block_memset;
diff --git a/src/internal/ntapi_fnapi.h b/src/internal/ntapi_fnapi.h
index a7436c5..ab74d85 100644
--- a/src/internal/ntapi_fnapi.h
+++ b/src/internal/ntapi_fnapi.h
@@ -53,6 +53,7 @@ ntapi_tt_string_null_offset_short		__ntapi_tt_string_null_offset_short;
 ntapi_tt_string_null_offset_dword		__ntapi_tt_string_null_offset_dword;
 ntapi_tt_string_null_offset_qword		__ntapi_tt_string_null_offset_qword;
 ntapi_tt_string_null_offset_ptrsize		__ntapi_tt_string_null_offset_ptrsize;
+ntapi_tt_strcmp_multibyte			__ntapi_tt_strcmp_multibyte;
 ntapi_wcslen					__ntapi_wcslen;
 ntapi_tt_aligned_block_memset			__ntapi_tt_aligned_block_memset;
 ntapi_tt_aligned_block_memcpy			__ntapi_tt_aligned_block_memcpy;
diff --git a/src/string/ntapi_tt_strcmp_multibyte.c b/src/string/ntapi_tt_strcmp_multibyte.c
new file mode 100644
index 0000000..b6d04b2
--- /dev/null
+++ b/src/string/ntapi_tt_strcmp_multibyte.c
@@ -0,0 +1,18 @@
+/********************************************************/
+/*  ntapi: Native API core library                      */
+/*  Copyright (C) 2013--2016  Z. Gilboa                 */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_string.h>
+
+int __cdecl __ntapi_tt_strcmp_multibyte(
+	__in	const char *	a,
+	__in	const char *	b)
+{
+	for (; (*a == *b) && *a; a++, b++)
+		(void)0;
+
+	return (int)*a - (int)*b;
+}