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steam_helper: Parse quote characters consistently with CommandLineToArgvW

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This commit is contained in:
Andrew Eikum 2019-03-28 11:10:45 -05:00
parent 3004d37fa4
commit a63d094dc0
1 changed files with 22 additions and 2 deletions
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24
steam_helper/steam.cpp
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@ -116,6 +116,26 @@ static void setup_steam_registry(void)
SteamAPI_Shutdown();
}
static WCHAR *find_quote(WCHAR *str)
{
WCHAR *end = strchrW(str, '"'), *ch;
int odd;
while (end)
{
odd = 0;
ch = end - 1;
while (ch >= str && *ch == '\\')
{
odd = !odd;
--ch;
}
if (!odd)
return end;
end = strchrW(end + 1, '"');
}
return NULL;
}
static HANDLE run_process(void)
{
WCHAR *cmdline = GetCommandLineW();
@ -125,7 +145,7 @@ static HANDLE run_process(void)
/* skip argv[0] */
if (*cmdline == '"')
{
cmdline = strchrW(cmdline + 1, '"');
cmdline = find_quote(cmdline + 1);
if (cmdline) cmdline++;
}
else
@ -156,7 +176,7 @@ static HANDLE run_process(void)
if (cmdline[0] == '"')
{
start = cmdline + 1;
end = strchrW(start, '"');
end = find_quote(start);
if (!end)
{
WINE_ERR("Unmatched quote? %s\n", wine_dbgstr_w(cmdline));