const char* gspatch(int channel, int hbank, int lbank, int prog)
{
if (hbank < 0)
hbank = 0;
if (lbank < 0)
lbank = 0;
if (prog < 0)
prog = 0;
if (!validparams(channel, hbank, lbank, prog))
return 0;
if (channel == 9) // gm drums
{
for (int i = 0; i < GSDRUMS; i++)
if (prog == gsdrumname[i].program)
return gsdrumname[i].patchname;
}
else
{
const char* name = 0;
if (lbank == 0)
name = findpatch(gsprogname, GSPROGRAMS, hbank, prog);
if (name)
return name;
}
return 0;
}
const char* xgpatch(int channel, int hbank, int lbank, int prog)
{
const char* name;
if (hbank < 0)
hbank = (channel == 9) ? 0x7f : 0;
if (lbank < 0)
lbank = 0;
if (prog < 0)
prog = 0;
if (!validparams(channel, hbank, lbank, prog))
return 0;
if (channel != 9)
{
name = findpatch(xgprogname, XGPROGRAMS, lbank, prog);
if (name)
return name;
}
name = findpatch(xgdrumname, XGDRUMS, hbank, prog);
if (name)
return name;
return 0;
}
// moduleispatched - Checks to see if any of the imports listed in the specified
// patch table have been patched into the specified importmodule.
//
// - importmodule (IN): Handle (base address) of the module to be queried to
// determine if it has been patched.
//
// - patchtable (IN): An array of patchentry_t structures specifying all of the
// import patches to search for.
//
// - tablesize (IN): Size, in entries, of the specified patch table.
//
// Return Value:
//
// Returns TRUE if at least one of the patches listed in the patch table is
// installed in the importmodule. Otherwise returns FALSE.
//
BOOL moduleispatched (HMODULE importmodule, patchentry_t patchtable [], UINT tablesize)
{
patchentry_t *entry;
BOOL found = FALSE;
UINT index;
// Loop through the import patch table, individually checking each patch
// entry to see if it is installed in the import module. If any patch entry
// is installed in the import module, then the module has been patched.
for (index = 0; index < tablesize; index++) {
entry = &patchtable[index];
found = findpatch(importmodule, entry->exportmodulename, entry->replacement);
if (found == TRUE) {
// Found one of the listed patches installed in the import module.
return TRUE;
}
}
// No patches listed in the patch table were found in the import module.
return FALSE;
}
