Added SDL_wcscmp()

CMakeLists.txt

@@ -623,6 +623,7 @@ if(LIBC)
     set(HAVE_SIGNAL_H 1)
     foreach(_FN
             malloc calloc realloc free qsort abs memset memcpy memmove memcmp
+            wcslen wcslcpy wcslcat wcscmp
             strlen _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa
             _ultoa strtol strtoul strtoll strtod atoi atof strcmp strncmp
             _stricmp _strnicmp sscanf atan atan2 acos asin ceil copysign cos

configure

@@ -16631,7 +16631,7 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-    for ac_func in malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval
+    for ac_func in malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove wcslen wcslcpy wcslcat wcscmp strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

configure.in

@@ -268,7 +268,7 @@ if test x$enable_libc = xyes; then
         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
         ]),
     )
-    AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval)
+    AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove wcslen wcslcpy wcslcat wcscmp strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval)
 
     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)

include/SDL_config.h.cmake

@@ -106,6 +106,10 @@
 #cmakedefine HAVE_MEMCPY 1
 #cmakedefine HAVE_MEMMOVE 1
 #cmakedefine HAVE_MEMCMP 1
+#cmakedefine HAVE_WCSLEN 1
+#cmakedefine HAVE_WCSLCPY 1
+#cmakedefine HAVE_WCSLCAT 1
+#cmakedefine HAVE_WCSCMP 1
 #cmakedefine HAVE_STRLEN 1
 #cmakedefine HAVE_STRLCPY 1
 #cmakedefine HAVE_STRLCAT 1

include/SDL_config.h.in

@@ -106,6 +106,10 @@
 #undef HAVE_MEMCPY
 #undef HAVE_MEMMOVE
 #undef HAVE_MEMCMP
+#undef HAVE_WCSLEN
+#undef HAVE_WCSLCPY
+#undef HAVE_WCSLCAT
+#undef HAVE_WCSCMP
 #undef HAVE_STRLEN
 #undef HAVE_STRLCPY
 #undef HAVE_STRLCAT

include/SDL_stdinc.h

@@ -404,6 +404,7 @@ extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t le
 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
 extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
+extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
 
 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
 extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);

src/dynapi/SDL_dynapi_overrides.h

@@ -626,3 +626,4 @@
 #define SDL_JoystickGetDeviceInstanceID SDL_JoystickGetDeviceInstanceID_REAL
 #define SDL_utf8strlen SDL_utf8strlen_REAL
 #define SDL_LoadFile_RW SDL_LoadFile_RW_REAL
+#define SDL_wcscmp SDL_wcscmp_REAL

src/dynapi/SDL_dynapi_procs.h

@@ -658,3 +658,4 @@ SDL_DYNAPI_PROC(void,SDL_MemoryBarrierAcquireFunction,(void),(),)
 SDL_DYNAPI_PROC(SDL_JoystickID,SDL_JoystickGetDeviceInstanceID,(int a),(a),return)
 SDL_DYNAPI_PROC(size_t,SDL_utf8strlen,(const char *a),(a),return)
 SDL_DYNAPI_PROC(void*,SDL_LoadFile_RW,(SDL_RWops *a, size_t *b, int c),(a,b,c),return)
+SDL_DYNAPI_PROC(int,SDL_wcscmp,(const wchar_t *a, const wchar_t *b),(a,b),return)

src/stdlib/SDL_string.c

@@ -461,6 +461,22 @@ SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t max
 #endif /* HAVE_WCSLCAT */
 }
 
+int
+SDL_wcscmp(const wchar_t *str1, const wchar_t *str2)
+{
+#if defined(HAVE_WCSCMP)
+    return wcscmp(str1, str2);
+#else
+    while (*str1 && *str2) {
+        if (*str1 != *str2)
+            break;
+        ++str1;
+        ++str2;
+    }
+    return (int)(*str1 - *str2);
+#endif /* HAVE_WCSCMP */
+}
+
 size_t
 SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
 {
@@ -925,7 +941,7 @@ SDL_strcmp(const char *str1, const char *str2)
         ++str1;
         ++str2;
     }
-    return (int) ((unsigned char) *str1 - (unsigned char) *str2);
+    return (int)((unsigned char) *str1 - (unsigned char) *str2);
 #endif /* HAVE_STRCMP */
 }