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launcher: SvcInstanceReplaceArguments

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This commit is contained in:
Bill Zissimopoulos 2016-05-13 14:30:54 -07:00
parent c322a4b14a
commit 0822458238
1 changed files with 15 additions and 4 deletions
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19
src/launcher/launcher.c
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@ -85,6 +85,7 @@ static NTSTATUS SvcInstanceReplaceArguments(PWSTR String, ULONG Argc, PWSTR *Arg
PWSTR *PNewString)
{
PWSTR NewString = 0, P, Q;
PWSTR EmptyArg = L"";
ULONG Length;
*PNewString = 0;
@ -96,8 +97,13 @@ static NTSTATUS SvcInstanceReplaceArguments(PWSTR String, ULONG Argc, PWSTR *Arg
{
case L'%':
P++;
if (L'0' <= *P && *P <= '9' && Argc > (ULONG)(*P - L'0'))
Length += SvcInstanceArgumentLength(Argv[*P - L'0']);
if (L'0' <= *P && *P <= '9')
{
if (Argc > (ULONG)(*P - L'0'))
Length += SvcInstanceArgumentLength(Argv[*P - L'0']);
else
Length += SvcInstanceArgumentLength(EmptyArg);
}
else
Length++;
break;
@ -117,8 +123,13 @@ static NTSTATUS SvcInstanceReplaceArguments(PWSTR String, ULONG Argc, PWSTR *Arg
{
case L'%':
P++;
if (L'0' <= *P && *P <= '9' && Argc > (ULONG)(*P - L'0'))
Q = SvcInstanceArgumentCopy(Q, Argv[*P - L'0']);
if (L'0' <= *P && *P <= '9')
{
if (Argc > (ULONG)(*P - L'0'))
Q = SvcInstanceArgumentCopy(Q, Argv[*P - L'0']);
else
Q = SvcInstanceArgumentCopy(Q, EmptyArg);
}
else
*Q++ = *P;
break;