1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
#include "libbb.h"
#include "lazyload.h"
#if ENABLE_STTY || ENABLE_TTYSIZE
static int mingw_get_terminal_width_height(struct winsize *win)
{
int fd;
HANDLE handle;
CONSOLE_SCREEN_BUFFER_INFO sbi;
win->ws_row = 0;
win->ws_col = 0;
for (fd=STDOUT_FILENO; fd<=STDERR_FILENO; ++fd) {
handle = (HANDLE)_get_osfhandle(fd);
if (handle != INVALID_HANDLE_VALUE &&
GetConsoleScreenBufferInfo(handle, &sbi) != 0) {
win->ws_row = sbi.srWindow.Bottom - sbi.srWindow.Top + 1;
win->ws_col = sbi.srWindow.Right - sbi.srWindow.Left + 1;
return 0;
}
}
return -1;
}
#endif
#if ENABLE_STTY
static int mingw_set_terminal_width_height(struct winsize *win)
{
BOOL ret;
DECLARE_PROC_ADDR(BOOL, GetConsoleScreenBufferInfoEx, HANDLE,
PCONSOLE_SCREEN_BUFFER_INFOEX);
DECLARE_PROC_ADDR(BOOL, SetConsoleScreenBufferInfoEx, HANDLE,
PCONSOLE_SCREEN_BUFFER_INFOEX);
if (!INIT_PROC_ADDR(kernel32.dll, GetConsoleScreenBufferInfoEx))
return -1;
if (!INIT_PROC_ADDR(kernel32.dll, SetConsoleScreenBufferInfoEx))
return -1;
for (int fd = STDOUT_FILENO; fd <= STDERR_FILENO; ++fd) {
CONSOLE_SCREEN_BUFFER_INFOEX sbi;
HANDLE handle = (HANDLE)_get_osfhandle(fd);
sbi.cbSize = sizeof(sbi);
if (handle != INVALID_HANDLE_VALUE &&
(ret=GetConsoleScreenBufferInfoEx(handle, &sbi)) != 0) {
if (sbi.dwSize.X != win->ws_col) {
sbi.dwSize.X = win->ws_col;
}
if (sbi.dwSize.Y < win->ws_row) {
sbi.dwSize.Y = win->ws_row;
}
sbi.srWindow.Bottom = sbi.srWindow.Top + win->ws_row;
sbi.srWindow.Right = sbi.srWindow.Left + win->ws_col;
ret = SetConsoleScreenBufferInfoEx(handle, &sbi);
break;
}
}
return ret ? 0 : -1;
}
#endif
int ioctl(int fd UNUSED_PARAM, int code, ...)
{
va_list ap;
void *arg;
int ret = -1;
va_start(ap, code);
switch (code) {
#if ENABLE_STTY || ENABLE_TTYSIZE
case TIOCGWINSZ:
arg = va_arg(ap, void *);
ret = mingw_get_terminal_width_height((struct winsize *)arg);
break;
#endif
#if ENABLE_STTY
case TIOCSWINSZ:
arg = va_arg(ap, void *);
ret = mingw_set_terminal_width_height((struct winsize *)arg);
break;
#endif
default:
ret = -1;
errno = EINVAL;
break;
}
va_end(ap);
return ret;
}
|
