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Add proper memory alloc ProcessInput, the error handling for memory handling need to be improve

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svn path=/trunk/; revision=16453
This commit is contained in:
Magnus Olsen 2005-07-06 13:09:23 +00:00
parent 04480b3be7
commit 3b440449dd
1 changed files with 32 additions and 9 deletions
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41
reactos/subsys/system/cmd/cmd.c
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@ -137,6 +137,8 @@
*
* 06-jul-2005 (Magnus Olsen <magnus@greatlord.com>)
* translate '%errorlevel%' to the internal value.
* Add proper memmory alloc ProcessInput, the error
* handling for memmory handling need to be improve
*/
#include "precomp.h"
@ -983,30 +985,51 @@ ProcessInput (BOOL bFlag)
if ((tp != NULL) &&
(tp <= _tcschr(ip, _T(' ')) - 1))
{
TCHAR evar[512];
INT size = 512;
TCHAR *evar;
*tp = _T('\0');
/* FIXME: This is just a quick hack!! */
/* Do a proper memory allocation!! */
/* FIXME: Correct error handling when it can not alloc memmory */
evar = malloc ( size * sizeof(TCHAR));
if (evar==NULL)
return 1;
if (_tcsicmp(ip,_T("errorlevel")) ==0)
{
memset(evar,0,512 * sizeof(TCHAR));
_itot(nErrorLevel,evar,10);
cp = _stpcpy (cp, evar);
}
else if (GetEnvironmentVariable (ip, evar, 512))
}
else
{
size = GetEnvironmentVariable (ip, evar, size);
if (size!=0)
{
evar = realloc(evar,size * sizeof(TCHAR) );
if (evar!=NULL)
{
size = GetEnvironmentVariable (ip, evar, size);
}
}
if (size)
{
cp = _stpcpy (cp, evar);
}
}
if (evar!=NULL)
{
free(evar);
}
ip = tp + 1;
}
else
{
*cp++ = _T('%');
}
break;
}
continue;