Diff: utf8tosjis.c

Revision:

4:a81d4a6f6e29

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utf8tosjis.c	Sat Aug 31 07:55:46 2013 +0000
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+#include <cwchar>
+
+int utf8tosjis(const char* utfBuffer, int utfBufLen, char* sjisBuffer, int sjisBufLen)
+{
+    wchar_t wstr[256];
+    int         i, wi;
+    wchar_t     wc;
+    mbstate_t   state = {0};
+    size_t      ret;
+    char *      current_locale;
+    i = wi = 0;
+
+    current_locale = setlocale(LC_CTYPE, "UTF-8");
+    if (current_locale == NULL)
+        return 0;
+
+    while (1) {
+        ret = mbrtowc(&wc, utfBuffer+i, 3, &state);
+        if (ret == (size_t)-2 || ret == (size_t)-1) {
+            printf("\nThere was a problem decoding the multibyte string.\n");
+            return ret;
+        } else if (ret == 0) {
+            break;          /* we hit \0, end of string */
+        } else {
+            i += ret;
+            wstr[wi++] = wc;
+        }
+    }
+    wstr[wi] = L'\0';
+    
+    current_locale = setlocale(LC_CTYPE, "SJIS");
+    if (current_locale == NULL)
+        return 0;
+
+    ret = wcstombs(sjisBuffer, wstr, sjisBufLen);
+
+    return ret;
+}
\ No newline at end of file