127 	char *filename = NULL;  in main()  local
161 			filename = strdup(optarg);  in main()
179 	if (!filename && optind < argc)  in main()
181 	if (filename && optind > argc) {  in main()
185 	if (!filename && !memread && optind == argc) {  in main()
189 	if (!filename && !memread) {  in main()
202 	if (filename && memread && !req_len) {  in main()
210 	if (filename && memread) {  in main()
211 		ffd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);  in main()
213 			fprintf(stderr, "Failed to open destination file '%s': %s\n", filename, strerror(errno));  in main()
217 	if (filename && !memread) {  in main()
218 		ffd = open(filename, O_RDONLY);  in main()
220 			fprintf(stderr, "Failed to open source file '%s': %s\n", filename, strerror(errno));  in main()
225 	if (filename && !req_len) {  in main()
229 					filename, strerror(errno));  in main()
234 					filename, strerror(errno));  in main()
254 	else if (filename && memread)  in main()
257 			req_len, req_addr, filename, iosize);  in main()
258 	else if (filename)  in main()
261 			req_len, req_addr, filename, iosize);  in main()
316 	if (filename && memread) {  in main()
329 	else if (filename) {  in main()
347 	if (filename)  in main()