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