libs/newlib-cygwin
libs
/
newlib-cygwin
mirror of git://sourceware.org/git/newlib-cygwin.git
4
0
Fork 0
Code Issues Projects Releases Wiki Activity

Cygwin: termios: Refactor the function is_console_app(). 

Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
This commit is contained in:
Takashi Yano 2023-08-28 17:38:52 +09:00
parent eb1584b491
commit 50ff7901a5
1 changed files with 8 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
winsup/cygwin/fhandler/termios.cc
View File

@ -704,22 +704,20 @@ static bool
is_console_app (const WCHAR *filename)
{
HANDLE h;
const int id_offset = 92;
h = CreateFileW (filename, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, NULL);
char buf[1024];
DWORD n;
ReadFile (h, buf, sizeof (buf), &n, 0);
CloseHandle (h);
char *p = (char *) memmem (buf, n, "PE\0\0", 4);
if (p && p + id_offset < buf + n)
return p[id_offset] == '\003'; /* 02: GUI, 03: console */
else
{
wchar_t *e = wcsrchr (filename, L'.');
if (e && (wcscasecmp (e, L".bat") == 0 || wcscasecmp (e, L".cmd") == 0))
return true;
}
/* The offset of Subsystem is the same for both IMAGE_NT_HEADERS32 and
IMAGE_NT_HEADERS64, so only IMAGE_NT_HEADERS32 is used here. */
IMAGE_NT_HEADERS32 *p = (IMAGE_NT_HEADERS32 *) memmem (buf, n, "PE\0\0", 4);
if (p && (char *) &p->OptionalHeader.DllCharacteristics <= buf + n)
return p->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI;
wchar_t *e = wcsrchr (filename, L'.');
if (e && (wcscasecmp (e, L".bat") == 0 || wcscasecmp (e, L".cmd") == 0))
return true;
return false;
}