2 W32 version of 'cat' program
5 cat is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 cat is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with cat; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
27 parent_control_thread (LPVOID lpParameter)
29 HANDLE h = (HANDLE) lpParameter;
35 b = ReadFile (h, &c, 1, &dw, NULL);
45 install_parent_control_handler ()
52 env_buf = getenv ("GNUNET_OS_CONTROL_PIPE");
53 if ( (NULL == env_buf) || (strlen (env_buf) <= 0) )
56 pipe_fd = strtoull (env_buf, &env_buf_end, 16);
57 if ((0 != errno) || (env_buf == env_buf_end))
59 /* Gcc will issue a warning here. What to do with it? */
60 pipe_handle = (HANDLE) (uintptr_t) pipe_fd;
61 CreateThread (NULL, 0, parent_control_thread, (LPVOID) pipe_handle, 0, NULL);
65 main (int argc, char **argv)
69 wchar_t *commandlinew, **argvw;
73 stdo = GetStdHandle (STD_OUTPUT_HANDLE);
74 if (stdo == INVALID_HANDLE_VALUE || stdo == NULL)
77 commandlinew = GetCommandLineW ();
78 argvw = CommandLineToArgvW (commandlinew, &argcw);
82 install_parent_control_handler ();
84 for (i = 1; i < argcw || argcw == 1; i++)
87 int is_dash = wcscmp (NULL == argvw[i] ? L"-" : argvw[i], L"-") == 0;
88 if (argcw == 1 || is_dash)
90 stdi = GetStdHandle (STD_INPUT_HANDLE);
91 if (stdi == INVALID_HANDLE_VALUE)
93 fprintf (stderr, "cat: Failed to obtain stdin handle.\n");
98 fprintf (stderr, "cat: Have no stdin.\n");
104 stdi = CreateFileW (argvw[i], GENERIC_READ, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
105 if (stdi == INVALID_HANDLE_VALUE)
108 DWORD le = GetLastError ();
109 if (0 < FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 0, le, 0, (wchar_t *) &msgbuf, 0, NULL))
111 fprintf (stderr, "cat: Failed to open file `%S'. Error %lu.\n", argvw[i], le);
114 fprintf (stderr, "cat: Failed to open file `%S'. Error %lu: %S\n", argvw[i], le, msgbuf);
123 b = ReadFile (stdi, &c, 1, &r, NULL);
126 b = WriteFile (stdo, &c, 1, &w, NULL);
130 DWORD le = GetLastError ();
131 if (0 < FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 0, le, 0, (wchar_t *) &msgbuf, 0, NULL))
133 fprintf (stderr, "cat: Failed to write into stdout. Error %lu.\n", le);
136 fprintf (stderr, "cat: Failed to write into stdout. Error %lu: %S\n", le, msgbuf);
142 } while (b && r > 0);