mirror of https://github.com/flysand7/ciabatta.git
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
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#include <_os.h>
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#include <locale.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "win.h"
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extern int main(int argc, char** argv);
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// Some shell32.lib related crap
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DECLSPEC_IMPORT LPWSTR GetCommandLineW();
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DECLSPEC_IMPORT LPWSTR* CommandLineToArgvW(LPCWSTR lpCmdLine, int* pNumArgs);
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int _wcsicmp(wchar_t const* s1, wchar_t const* s2) {
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int diff;
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do {
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diff = *s1 - *s2;
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} while(diff != 0 && *s1 != 0 && *s2 != 0);
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return diff;
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}
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static size_t count_wide_chars(const wchar_t* str) {
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size_t len = 0;
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while (str[len] != 0) len++;
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return len;
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}
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static bool convert_wide_chars_to_ansi(char* out, const wchar_t* str, size_t len) {
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for (size_t i = 0; i < len; i++) {
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wchar_t ch = *str++;
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if (ch < 0 || 0x7F >= ch) {
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*out++ = 0;
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return false;
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}
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*out++ = ch;
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}
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*out++ = 0;
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return true;
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}
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void mainCRTStartup() {
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_os_timing_init();
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HANDLE heap = GetProcessHeap();
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if (heap == NULL) {
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ExitProcess(-42069);
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}
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int arg_count;
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LPWSTR* args_wide = CommandLineToArgvW(GetCommandLineW(), &arg_count);
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if (!args_wide) {
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ExitProcess(-69420);
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}
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char** args = HeapAlloc(heap, 0, arg_count * sizeof(char*));
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if (arg_count == 0) {
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arg_count = 1;
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args[0] = "";
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}
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// Convert wide chars into ANSI
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for (int i = 0; i < arg_count; i++) {
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size_t wide_len = count_wide_chars(args_wide[i]) + 1;
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args[i] = HeapAlloc(heap, 0, wide_len);
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convert_wide_chars_to_ansi(args[i], args_wide[i], wide_len);
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}
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// Initialize terminal
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stdout = (FILE*) GetStdHandle(STD_OUTPUT_HANDLE);
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stderr = (FILE*) GetStdHandle(STD_ERROR_HANDLE);
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stdin = (FILE*) GetStdHandle(STD_INPUT_HANDLE);
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// Initialize heap
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_os_heap heap_data = {
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.handle = heap,
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};
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_heap_setup(&heap_data);
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srand(0);
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setlocale(LC_ALL, "C");
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_os_init_eh();
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int exit_code = main(arg_count, args);
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// we call exit because we want atexit routines run
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exit(exit_code);
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}
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// This symbol is required to be present if we're using floating-point
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// numbers
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int _fltused=0;
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