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handle negative values in special envvars
stdin,out,err can't be redirected for windows gui apps

svn path=/trunk/; revision=32068
This commit is contained in:
Christoph von Wittich 2008-01-31 17:59:02 +00:00
parent 00e33fbce3
commit 11ca34b0e3
2 changed files with 42 additions and 14 deletions
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15
reactos/base/shell/cmd/batch.c
View file

@ -458,10 +458,21 @@ LPTSTR ReadBatchLine (LPBOOL bLocalEcho)
{ {
if (*first == _T(')')) if (*first == _T(')'))
{ {
bc->bCmdBlock--; first++;
/* Strip leading spaces and trailing space/control chars */
while(_istspace (*first))
first++;
if ((_tcsncicmp (first, _T("else"), 4) == 0) && (_tcschr(first, _T('('))))
{
bc->bExecuteBlock[bc->bCmdBlock] = !bc->bExecuteBlock[bc->bCmdBlock];
}
else
{
bc->bCmdBlock--;
}
continue; continue;
} }
if ((bc->bCmdBlock >= 0) && (bc->bCmdBlock < MAX_PATH)) if (bc->bCmdBlock < MAX_PATH)
if (!bc->bExecuteBlock[bc->bCmdBlock]) if (!bc->bExecuteBlock[bc->bCmdBlock])
{ {
/* increase the bCmdBlock count when there is another conditon which opens a new bracket */ /* increase the bCmdBlock count when there is another conditon which opens a new bracket */

41
reactos/base/shell/cmd/cmd.c
View file

@ -811,9 +811,18 @@ VOID ParseCommandLine (LPTSTR cmd)
FILE_ATTRIBUTE_NORMAL, NULL); FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) if (hFile == INVALID_HANDLE_VALUE)
{ {
LoadString(CMD_ModuleHandle, STRING_CMD_ERROR1, szMsg, RC_STRING_MAX_SIZE); if (bc)
ConErrPrintf(szMsg, in); {
return; /* will fail for windows gui apps */
num = 0;
bc->hBatchFile = INVALID_HANDLE_VALUE;
}
else
{
LoadString(CMD_ModuleHandle, STRING_CMD_ERROR1, szMsg, RC_STRING_MAX_SIZE);
ConErrPrintf(szMsg, in);
return;
}
} }
if (!SetStdHandle (STD_INPUT_HANDLE, hFile)) if (!SetStdHandle (STD_INPUT_HANDLE, hFile))
@ -892,7 +901,7 @@ VOID ParseCommandLine (LPTSTR cmd)
/* Now set up the end conditions... */ /* Now set up the end conditions... */
/* redirect STDOUT */ /* redirect STDOUT */
if (out[0]) if ((bc) && (bc->hBatchFile != INVALID_HANDLE_VALUE) && (out[0]))
{ {
/* Final output to here */ /* Final output to here */
HANDLE hFile; HANDLE hFile;
@ -959,7 +968,7 @@ VOID ParseCommandLine (LPTSTR cmd)
} }
/* redirect STDERR */ /* redirect STDERR */
if (err[0]) if ((bc) && (bc->hBatchFile != INVALID_HANDLE_VALUE) && (err[0]))
{ {
/* Final output to here */ /* Final output to here */
HANDLE hFile; HANDLE hFile;
@ -1165,15 +1174,23 @@ GetEnvVarOrSpecial ( LPCTSTR varName )
if (position) if (position)
{ {
position += 2; position += 2;
Token = _tcstok(position, _T(",")); if (_tcschr(position, _T(',')) != NULL)
while ((Token != NULL) && (i < 2))
{ {
StringPart[i] = _ttoi(Token); Token = _tcstok(position, _T(","));
i++; while ((Token != NULL) && (i < 2))
Token = _tcstok (NULL, _T(",")); {
StringPart[i] = _ttoi(Token);
i++;
Token = _tcstok (NULL, _T(","));
}
if (i > 0)
{
if (StringPart[1] < 0)
StringPart[1] = _tcslen(ret + StringPart[0]) + StringPart[1];
_tcsncpy(ReturnValue, ret + StringPart[0], StringPart[1]);
_tcscpy(ret, ReturnValue);
}
} }
_tcsncpy(ReturnValue, ret + StringPart[0], StringPart[1]);
_tcscpy(ret, ReturnValue);
return ret; return ret;
} }
else else