Make the devices array a dynamically allocated array of pointers to allow unlimited devices.

cgminer.c

@@ -116,7 +116,7 @@ struct list_head scan_devices;
 static signed int devices_enabled;
 static bool opt_removedisabled;
 int total_devices;
-struct cgpu_info *devices[MAX_DEVICES];
+struct cgpu_info **devices;
 bool have_opencl;
 int opt_n_threads = -1;
 int mining_threads;
@@ -4936,6 +4936,7 @@ bool add_cgpu(struct cgpu_info*cgpu)
 		cgpu->device_id = d->lastid = 0;
 		HASH_ADD_STR(devids, name, d);
 	}
+	devices = realloc(devices, sizeof(struct cgpu_info *) * (total_devices + 2));
 	devices[total_devices++] = cgpu;
 	return true;
 }
@@ -5025,8 +5026,6 @@ int main(int argc, char *argv[])
 		gpus[i].dynamic = true;
 #endif
 
-	memset(devices, 0, sizeof(devices));
-
 	/* parse command line */
 	opt_register_table(opt_config_table,
 			   "Options for both config file and command line");

driver-cpu.c

@@ -731,8 +731,6 @@ static void cpu_detect()
 	if (num_processors < 1)
 		return;
 
-	if (total_devices + opt_n_threads > MAX_DEVICES)
-		opt_n_threads = MAX_DEVICES - total_devices;
 	cpus = calloc(opt_n_threads, sizeof(struct cgpu_info));
 	if (unlikely(!cpus))
 		quit(1, "Failed to calloc cpus");

driver-icarus.c

@@ -179,7 +179,7 @@ struct ICARUS_INFO {
 };
 
 // One for each possible device
-static struct ICARUS_INFO *icarus_info[MAX_DEVICES];
+static struct ICARUS_INFO **icarus_info;
 
 struct device_api icarus_api;
 
@@ -421,6 +421,7 @@ static bool icarus_detect_one(const char *devpath)
 	icarus->device_path = strdup(devpath);
 	icarus->threads = 1;
 	add_cgpu(icarus);
+	icarus_info = realloc(icarus_info, sizeof(struct ICARUS_INFO *) * (total_devices + 2));
 
 	applog(LOG_INFO, "Found Icarus at %s, mark as %d",
 		devpath, icarus->device_id);

driver-opencl.c

@@ -1126,9 +1126,6 @@ static void opencl_detect()
 		nDevs = 0;
 	}
 
-	if (MAX_DEVICES - total_devices < nDevs)
-		nDevs = MAX_DEVICES - total_devices;
-
 	if (!nDevs)
 		return;
 

driver-ztex.c

@@ -66,8 +66,6 @@ static void ztex_detect(void)
 	applog(LOG_WARNING, "Found %d ztex board(s)", cnt);
 
 	for (i = 0; i < cnt; i++) {
-		if (total_devices == MAX_DEVICES)
-			break;
 		ztex = calloc(1, sizeof(struct cgpu_info));
 		ztex->api = &ztex_api;
 		ztex->device_ztex = ztex_devices[i]->dev;

fpgautils.c

@@ -40,9 +40,6 @@
 char
 serial_autodetect_udev(detectone_func_t detectone, const char*prodname)
 {
-	if (total_devices == MAX_DEVICES)
-		return 0;
-
 	struct udev *udev = udev_new();
 	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
 	struct udev_list_entry *list_entry;
@@ -64,9 +61,6 @@ serial_autodetect_udev(detectone_func_t detectone, const char*prodname)
 			++found;
 
 		udev_device_unref(device);
-
-		if (total_devices == MAX_DEVICES)
-			break;
 	}
 	udev_enumerate_unref(enumerate);
 	udev_unref(udev);
@@ -85,9 +79,6 @@ char
 serial_autodetect_devserial(detectone_func_t detectone, const char*prodname)
 {
 #ifndef WIN32
-	if (total_devices == MAX_DEVICES)
-		return 0;
-
 	DIR *D;
 	struct dirent *de;
 	const char udevdir[] = "/dev/serial/by-id";
@@ -104,11 +95,8 @@ serial_autodetect_devserial(detectone_func_t detectone, const char*prodname)
 		if (!strstr(de->d_name, prodname))
 			continue;
 		strcpy(devfile, de->d_name);
-		if (detectone(devpath)) {
+		if (detectone(devpath))
 			++found;
-			if (total_devices == MAX_DEVICES)
-				break;
-		}
 	}
 	closedir(D);
 
@@ -121,9 +109,6 @@ serial_autodetect_devserial(detectone_func_t detectone, const char*prodname)
 char
 _serial_detect(const char*dname, detectone_func_t detectone, autoscan_func_t autoscan, bool forceauto)
 {
-	if (total_devices == MAX_DEVICES)
-		return 0;
-
 	struct string_elist *iter, *tmp;
 	const char*s, *p;
 	bool inhibitauto = false;
@@ -148,12 +133,10 @@ _serial_detect(const char*dname, detectone_func_t detectone, autoscan_func_t aut
 			string_elist_del(iter);
 			inhibitauto = true;
 			++found;
-			if (total_devices == MAX_DEVICES)
-				break;
 		}
 	}
 
-	if ((forceauto || !inhibitauto) && autoscan && total_devices < MAX_DEVICES)
+	if ((forceauto || !inhibitauto) && autoscan)
 		found += autoscan();
 
 	return found;

miner.h

@@ -585,7 +585,6 @@ extern int add_pool_details(bool live, char *url, char *user, char *pass);
 #define ADD_POOL_OK 0
 
 #define MAX_GPUDEVICES 16
-#define MAX_DEVICES 64
 #define MAX_POOLS (32)
 
 #define MIN_INTENSITY -10
@@ -607,7 +606,7 @@ extern double total_secs;
 extern int mining_threads;
 extern struct cgpu_info *cpus;
 extern int total_devices;
-extern struct cgpu_info *devices[];
+extern struct cgpu_info **devices;
 extern int total_pools;
 extern struct pool *pools[MAX_POOLS];
 extern const char *algo_names[];