From f2eabdb6257c09cf2890dac5e9737912728542af Mon Sep 17 00:00:00 2001
From: mrb0nk500 <b0nk@b0nk.xyz>
Date: Thu, 2 Feb 2023 17:29:19 -0400
Subject: global: Add rest of Dolphin SDK proper, add MSL, and MetroTRK

Finally, it links properly.
---
 src/MSL_C.PPCEABI.bare.H/mbstring.c | 115 ++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/MSL_C.PPCEABI.bare.H/mbstring.c

(limited to 'src/MSL_C.PPCEABI.bare.H/mbstring.c')

diff --git a/src/MSL_C.PPCEABI.bare.H/mbstring.c b/src/MSL_C.PPCEABI.bare.H/mbstring.c
new file mode 100644
index 0000000..9e95ff1
--- /dev/null
+++ b/src/MSL_C.PPCEABI.bare.H/mbstring.c
@@ -0,0 +1,115 @@
+#include "errno.h"
+#include "stdio.h"
+#include "string.h"
+
+#pragma ANSI_strict off
+
+#ifndef __WINT_TYPE__
+#define __WINT_TYPE__ unsigned int
+#endif
+
+typedef struct {
+  int __count;
+  union {
+    __WINT_TYPE__ __wch;
+    char __wchb[4];
+  } __value; /* Value so far.  */
+} mbstate_t;
+
+static int is_utf8_complete(const char* s, size_t n);
+static int is_utf8_complete(const char* s, size_t n) {
+  if (n <= 0) /* 0 or fewer characters do not form a valid multibyte character */
+    return (-1);
+
+  if (*s == 0x00)
+    return (0);
+
+  if ((*s & 0x80) == 0x00)
+    return (1);
+  else if ((*s & 0xe0) == 0xc0) /* need 2 bytes */
+    if (n >= 2)
+      if (((*(s + 1) & 0x80) == 0x80))
+        return (2);
+      else
+        return (-1);
+    else
+      return (-2);
+
+  else if ((*s & 0xf0) == 0xe0)
+    if (n >= 3)
+      if (((*(s + 1) & 0x80) == 0x80) && ((*(s + 2) & 0x80) == 0x80))
+        return (3);
+      else
+        return (-1);
+    else if (((n == 2) && ((*(s + 1) & 0x80) == 0x80)) || (n == 1))
+      return (-2);
+    else
+      return (-1);
+  else
+    return (-1);
+}
+
+#pragma dont_inline on
+static int unicode_to_UTF8(char* s, wchar_t wchar) {
+  int number_of_bytes;
+  wchar_t wide_char;
+  char* target_ptr;
+  char first_byte_mark[4] = {0x00, 0x00, 0xc0, 0xe0};
+
+  if (!s) {
+    return 0;
+  }
+
+  wide_char = wchar;
+  if (wide_char < 0x0080)
+    number_of_bytes = 1;
+  else if (wide_char < 0x0800)
+    number_of_bytes = 2;
+  else
+    number_of_bytes = 3;
+
+  target_ptr = s + number_of_bytes;
+
+  switch (number_of_bytes) {
+  case 3:
+    *--target_ptr = (wide_char & 0x003f) | 0x80;
+    wide_char >>= 6;
+  case 2:
+    *--target_ptr = (wide_char & 0x003f) | 0x80;
+    wide_char >>= 6;
+  case 1:
+    *--target_ptr = wide_char | first_byte_mark[number_of_bytes];
+  }
+
+  return (number_of_bytes);
+}
+#pragma dont_inline reset
+
+int wctomb(char* s, wchar_t wchar) { return (unicode_to_UTF8(s, wchar)); }
+
+size_t wcstombs(char* s, const wchar_t* pwcs, size_t n) {
+  int chars_written = 0;
+  int result;
+  char temp[3];
+  wchar_t* source;
+
+  if (!s || !pwcs)
+    return (0);
+
+  source = (wchar_t*)pwcs;
+  while (chars_written <= n) {
+    if (!*source) {
+      *(s + chars_written) = '\0';
+      break;
+    } else {
+      result = wctomb(temp, *source++);
+      if ((chars_written + result) <= n) {
+        strncpy(s + chars_written, temp, result);
+        chars_written += result;
+      } else
+        break;
+    }
+  }
+
+  return (chars_written);
+}
-- 
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