1 files changed, 189 insertions, 0 deletions
diff --git a/CRT/eastl_compat.cpp b/CRT/eastl_compat.cpp
new file mode 100644
index 0000000..e252f5f
--- /dev/null
+++ b/CRT/eastl_compat.cpp
@@ -0,0 +1,189 @@
+#include "eastl_compat.hpp"
+
+#define NANOPRINTF_VISIBILITY_STATIC 1
+#define NANOPRINTF_USE_FLOAT_FORMAT_SPECIFIERS 1
+#define NANOPRINTF_USE_PRECISION_FORMAT_SPECIFIERS 1
+#define NANOPRINTF_USE_FIELD_WIDTH_FORMAT_SPECIFIERS 1
+#define NANOPRINTF_USE_LARGE_FORMAT_SPECIFIERS 1
+#define NANOPRINTF_USE_BINARY_FORMAT_SPECIFIERS 0
+#define NANOPRINTF_USE_WRITEBACK_FORMAT_SPECIFIERS 0
+#define NANOPRINTF_IMPLEMENTATION 1
+#include "nanoprintf.h"
+
+#ifndef NATIVE
+#include <wdm.h>
+#endif
+
+/*
+ * eastl::to_string(...) does not work yet event if with a provided Vsnprintf/Vsnprintf8
+ * The issue seems to be caused by a broken va_list/va_copy.
+ */
+
+eastl::string to_string(int value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%d", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%d", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(long value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%ld", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%ld", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(long long value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%lld", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%lld", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(unsigned int value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%u", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%u", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(unsigned long int value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%lu", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%lu", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(unsigned long long int value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%llu", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%llu", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(float value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%f", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%f", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+eastl::string to_string(double value)
+{
+    int nbytes = npf_snprintf(nullptr, 0, "%lf", value);
+    if (nbytes > 0)
+    {
+        char result[nbytes + 1] = {};
+        npf_snprintf(result, nbytes, "%lf", value);
+        return result;
+    }
+    else
+        return "";
+}
+
+template <typename T>
+static eastl::string to_string_hex(T w, size_t hex_len = sizeof(T) << 1)
+{
+    static const char * const digits = "0123456789ABCDEF";
+    const size_t len = sizeof(T) << 1;
+
+    if (hex_len < len)
+        hex_len = len;
+    eastl::string rc(hex_len, '0');
+    for (size_t i = hex_len - len, j = (hex_len - 1) * 4; i < hex_len; ++i, j -= 4)
+        rc[i] = digits[(w >> j) & 0x0f];
+    return rc;
+}
+
+eastl::string to_string_hex(int value, size_t fill_width)
+{
+    return to_string_hex<int>(value, fill_width);
+}
+
+eastl::string to_string_hex(long value, size_t fill_width)
+{
+    return to_string_hex<long>(value, fill_width);
+}
+
+eastl::string to_string_hex(long long value, size_t fill_width)
+{
+    return to_string_hex<long long>(value, fill_width);
+}
+
+eastl::string to_string_hex(unsigned int value, size_t fill_width)
+{
+    return to_string_hex<unsigned int>(value, fill_width);
+}
+
+eastl::string to_string_hex(unsigned long int value, size_t fill_width)
+{
+    return to_string_hex<unsigned long int>(value, fill_width);
+}
+
+eastl::string to_string_hex(unsigned long long int value, size_t fill_width)
+{
+    return to_string_hex<unsigned long long int>(value, fill_width);
+}
+
+#ifndef NATIVE
+eastl::string from_unicode(wchar_t * wstr, unsigned short wlen, unsigned short wmax)
+{
+    ANSI_STRING ansi;
+    UNICODE_STRING unicode;
+
+    unicode.Buffer = wstr;
+    unicode.Length = wlen;
+    unicode.MaximumLength = (wmax > 0 ? wmax : wlen);
+
+    if (NT_SUCCESS(RtlUnicodeStringToAnsiString(&ansi, &unicode, TRUE)))
+    {
+        eastl::string result(ansi.Buffer, ansi.Length);
+        RtlFreeAnsiString(&ansi);
+        return result;
+    }
+
+    return "";
+}
+#endif