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package common
import "core:strings"
import "core:mem"
import "core:fmt"
import "core:log"
import win32 "core:sys/windows"
FORMAT_MESSAGE_FROM_SYSTEM :: 0x00001000
FORMAT_MESSAGE_IGNORE_INSERTS :: 0x00000200
foreign import kernel32 "system:kernel32.lib"
@(default_calling_convention = "std")
foreign kernel32 {
@(link_name = "FormatMessageA")
format_message_a :: proc(
flags: u32,
source: rawptr,
message_id: u32,
langauge_id: u32,
buffer: cstring,
size: u32,
va: rawptr,
) -> u32 ---
}
get_case_sensitive_path :: proc(path: string, allocator := context.temp_allocator) -> string {
wide := win32.utf8_to_utf16(path)
file := win32.CreateFileW(&wide[0], 0, win32.FILE_SHARE_READ, nil, win32.OPEN_EXISTING, win32.FILE_FLAG_BACKUP_SEMANTICS, nil)
if(file == win32.INVALID_HANDLE)
{
log_last_error()
return "";
}
buffer := make([]u16, 512, context.temp_allocator)
ret := win32.GetFinalPathNameByHandleW(file, &buffer[0], cast(u32)len(buffer), 0)
res, _ := win32.utf16_to_utf8(buffer[4:], allocator)
win32.CloseHandle(file)
return res
}
log_last_error :: proc() {
err_text: [512]byte
err := win32.GetLastError()
error_string := cstring(&err_text[0])
if (format_message_a(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
nil,
err,
(1 << 10) | 0,
error_string,
len(err_text) - 1,
nil,
) != 0) {
log.error(error_string)
}
}
run_executable :: proc(command: string, stdout: ^[]byte) -> (u32, bool, []byte) {
stdout_read: win32.HANDLE
stdout_write: win32.HANDLE
attributes: win32.SECURITY_ATTRIBUTES
attributes.nLength = size_of(win32.SECURITY_ATTRIBUTES)
attributes.bInheritHandle = true
attributes.lpSecurityDescriptor = nil
if win32.CreatePipe(&stdout_read, &stdout_write, &attributes, 0) == false {
return 0, false, stdout[0:]
}
if !win32.SetHandleInformation(stdout_read, win32.HANDLE_FLAG_INHERIT, 0) {
return 0, false, stdout[0:]
}
startup_info: win32.STARTUPINFO
process_info: win32.PROCESS_INFORMATION
startup_info.cb = size_of(win32.STARTUPINFO)
startup_info.hStdError = stdout_write
startup_info.hStdOutput = stdout_write
startup_info.dwFlags |= win32.STARTF_USESTDHANDLES
if !win32.CreateProcessW(nil, &win32.utf8_to_utf16(command)[0], nil, nil, true, 0, nil, nil, &startup_info, &process_info) {
return 0, false, stdout[0:]
}
win32.CloseHandle(stdout_write)
index: int
read: u32
read_buffer: [50]byte
success: win32.BOOL = true
for success {
success = win32.ReadFile(stdout_read, &read_buffer[0], len(read_buffer), &read, nil)
if read > 0 && index + cast(int)read <= len(stdout) {
mem.copy(&stdout[index], &read_buffer[0], cast(int)read)
}
index += cast(int)read
}
stdout[index + 1] = 0
exit_code: u32
win32.WaitForSingleObject(process_info.hProcess, win32.INFINITE)
win32.GetExitCodeProcess(process_info.hProcess, &exit_code)
win32.CloseHandle(stdout_read)
return exit_code, true, stdout[0:index]
}
import "core:mem/virtual"
Growing_Arena :: virtual.Growing_Arena
growing_arena_allocator :: virtual.growing_arena_allocator
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