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#ifndef MBSEC_H
#define MBSEC_H
#ifdef __GNUC__
#define UNUSED __attribute__((__unused__))
#else
#define UNUSED
#endif
#ifdef _WIN32
#include <stdlib.h>
#include <windows.h>
#include "arena_allocator.h"
#define UTFCONV_ERROR_INVALID_CONVERSION "Input contains invalid byte sequences."
#define utfconv_fromutf8(A, str) utfconv_fromlutf8(A, str, -1)
static UNUSED LPWSTR utfconv_fromlutf8(lxl_arena *A, const char *str, int len) {
int output_len = MultiByteToWideChar(CP_UTF8, 0, str, len, NULL, 0);
if (!output_len) return NULL;
LPWSTR output = lxl_arena_malloc(A, sizeof(WCHAR) * output_len);
if (!output) return NULL;
output_len = MultiByteToWideChar(CP_UTF8, 0, str, len, output, output_len);
if (!output_len) return (lxl_arena_free(A, output), NULL);
return output;
}
#define utfconv_fromwstr(A, str) utfconv_fromlwstr(A, str, -1)
static UNUSED const char *utfconv_fromlwstr(lxl_arena *A, LPWSTR str, int len) {
int output_len = WideCharToMultiByte(CP_UTF8, 0, str, len, NULL, 0, NULL, NULL);
if (!output_len) return NULL;
char *output = lxl_arena_malloc(A, sizeof(char) * output_len);
if (!output) return NULL;
output_len = WideCharToMultiByte(CP_UTF8, 0, str, len, output, output_len, NULL, NULL);
if (!output_len) return (lxl_arena_free(A, output), NULL);
return (const char *) output;
}
static UNUSED LPWSTR utfconv_utf8towc(const char *str) {
LPWSTR output;
int len;
// len includes \0
len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
if (len == 0)
return NULL;
output = (LPWSTR) malloc(sizeof(WCHAR) * len);
if (output == NULL)
return NULL;
len = MultiByteToWideChar(CP_UTF8, 0, str, -1, output, len);
if (len == 0) {
free(output);
return NULL;
}
return output;
}
static UNUSED char *utfconv_wctoutf8(LPCWSTR str) {
char *output;
int len;
// len includes \0
len = WideCharToMultiByte(CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
if (len == 0)
return NULL;
output = (char *) malloc(sizeof(char) * len);
if (output == NULL)
return NULL;
len = WideCharToMultiByte(CP_UTF8, 0, str, -1, output, len, NULL, NULL);
if (len == 0) {
free(output);
return NULL;
}
return output;
}
#endif
#endif
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