No handles were inherited in CreateProcess, all child console programs
were silent.
Eric Pouech <pouech-eric@wanadoo.fr>
Ensure redirected stream handle for child process are actually
inheritable.
diff --git a/programs/wcmd/wcmdmain.c b/programs/wcmd/wcmdmain.c
index 3044a5a..cd6b60a 100644
--- a/programs/wcmd/wcmdmain.c
+++ b/programs/wcmd/wcmdmain.c
@@ -260,7 +260,7 @@
DWORD count;
HANDLE old_stdin = 0, old_stdout = 0, h;
char *whichcmd;
-
+ SECURITY_ATTRIBUTES sa;
/*
* Expand up environment variables.
@@ -287,12 +287,15 @@
/* Dont issue newline WCMD_output (newline); @JED*/
+ sa.nLength = sizeof(sa);
+ sa.lpSecurityDescriptor = NULL;
+ sa.bInheritHandle = TRUE;
/*
* Redirect stdin and/or stdout if required.
*/
if ((p = strchr(cmd,'<')) != NULL) {
- h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
+ h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_READ, FILE_SHARE_READ, &sa, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
@@ -303,7 +306,7 @@
SetStdHandle (STD_INPUT_HANDLE, h);
}
if ((p = strchr(cmd,'>')) != NULL) {
- h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
+ h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_WRITE, 0, &sa, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
@@ -531,8 +534,8 @@
console = SHGetFileInfo (filetorun, 0, &psfi, sizeof(psfi), SHGFI_EXETYPE);
ZeroMemory (&st, sizeof(STARTUPINFO));
st.cb = sizeof(STARTUPINFO);
- status = CreateProcess (NULL, command, NULL, NULL, FALSE,
- 0, NULL, NULL, &st, &pe);
+ status = CreateProcess (NULL, command, NULL, NULL, TRUE,
+ 0, NULL, NULL, &st, &pe);
if (!status) {
WCMD_print_error ();
return;
@@ -544,6 +547,8 @@
GetExitCodeProcess (pe.hProcess, &errorlevel);
if (errorlevel == STILL_ACTIVE) errorlevel = 0;
}
+ CloseHandle(pe.hProcess);
+ CloseHandle(pe.hThread);
}
/******************************************************************************