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Implement escape char in console. "^"

Browse source 
cmd.c - when the env isnt found, dont zero out the params
redir.c - skip over all ^ when looking for redir/pipe
echo.c - when printing out, treat ^ correctly.

svn path=/trunk/; revision=17545
This commit is contained in:
Brandon Turner 2005-08-25 20:05:07 +00:00
parent 011639b626
commit c7b88afc3f
3 changed files with 40 additions and 4 deletions
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16
reactos/subsys/system/cmd/cmd.c
View file

@ -1027,7 +1027,7 @@ ProcessInput (BOOL bFlag)
cp = commandline;
while (*ip)
{
if (*ip == _T('%'))
if (*ip == _T('%'))
{
switch (*++ip)
{
@ -1077,7 +1077,6 @@ ProcessInput (BOOL bFlag)
GetCurrentDirectory (MAX_PATH, szPath);
cp = _stpcpy (cp, szPath);
}
/* %TIME% */
else if (_tcsicmp(ip,_T("time")) ==0)
{
@ -1146,8 +1145,18 @@ ProcessInput (BOOL bFlag)
evar = malloc ( 512 * sizeof(TCHAR));
if (evar==NULL)
return 1;
SetLastError(0);
size = GetEnvironmentVariable (ip, evar, 512);
if(GetLastError() == ERROR_ENVVAR_NOT_FOUND)
{
/* if no env var is found you must
continue with what was input*/
cp = _stpcpy (cp, _T("%"));
cp = _stpcpy (cp, ip);
cp = _stpcpy (cp, _T("%"));
}
else
{
if (size > 512)
{
evar = realloc(evar,size * sizeof(TCHAR) );
@ -1162,6 +1171,7 @@ ProcessInput (BOOL bFlag)
{
cp = _stpcpy (cp, evar);
}
}
free(evar);
}

14
reactos/subsys/system/cmd/echo.c
View file

@ -33,6 +33,7 @@
INT CommandEcho (LPTSTR cmd, LPTSTR param)
{
TCHAR szMsg[RC_STRING_MAX_SIZE];
INT i = 0;
#ifdef _DEBUG
DebugPrintf (_T("CommandEcho '%s' : '%s'\n"), cmd, param);
@ -58,7 +59,20 @@ INT CommandEcho (LPTSTR cmd, LPTSTR param)
else if (_tcsicmp (param, D_ON) == 0)
bEcho = TRUE;
else if (*param)
{
while(i < _tcslen(param))
{
if(param[i] == _T('^'))
{
memmove(&param[i],&param[i + 1], _tcslen(&param[i]) * sizeof(TCHAR));
//skip past the char being escaped
i++;
}
else
i++;
}
ConOutPuts (param);
}
else
{
LoadString(CMD_ModuleHandle, STRING_ECHO_HELP5, szMsg, RC_STRING_MAX_SIZE);

14
reactos/subsys/system/cmd/redir.c
View file

@ -78,6 +78,12 @@ INT GetRedirection (LPTSTR s, LPTSTR ifn, LPTSTR ofn, LPTSTR efn, LPINT lpnFlags
/* find and remove all the redirections first */
while (*sp)
{
if (*sp == _T('^'))
{
*dp++ = *sp++;
*dp++ = *sp++;
continue;
}
if ((*sp == _T('"')) || (*sp == _T('\'')))
{
/* No redirects inside quotes */
@ -242,7 +248,13 @@ INT GetRedirection (LPTSTR s, LPTSTR ifn, LPTSTR ofn, LPTSTR efn, LPINT lpnFlags
sp = s;
while (*sp)
{
if ((*sp == _T('"')) || (*sp == _T('\'')))
if (*sp == _T('^'))
{
*sp++;
*sp++;
continue;
}
else if ((*sp == _T('"')) || (*sp == _T('\'')))
{
TCHAR qc = *sp;