Bugs corrected in decoding of command line (getopt.c), in the handling of 16 bit files (t1.c and tcd.c) and the calculation of elapsed time for multiple tiles parts (tcd.c and tdc.h).

codec/compat/getopt.c

@@ -129,11 +129,27 @@ struct option *longopts, int totlen) {
 	static int lastidx,lastofs;
 	char *tmp;
 	int i,len;
+	char param = 1;
+
 again:
-	if (optind>argc || !argv[optind] || *argv[optind]!='-' || argv[optind][1]==0)
+	if (optind>argc || !argv[optind] || *argv[optind]!='-')
 		return -1;
 
 	if (argv[optind][0]=='-' && argv[optind][1]==0) {
+		if(optind >= (argc - 1)){ /* no more input parameters */
+			param = 0;
+		}
+		else{ /* more input parameters */
+			if(argv[optind + 1][0] == '-'){
+				param = 0; /* Missing parameter after '-' */
+			}
+			else{
+				param = 2;
+			}
+		}
+	}
+
+	if (param == 0) {
 		++optind;
 		return (BADCH);
 	}
@@ -144,11 +160,18 @@ again:
 		o=longopts;
 		len=sizeof(longopts[0]);
 
+		if (param > 1){
+			arg = argv[optind+1];
+			optind++;
+		}
+		else
+			arg = argv[optind]+1;
+
 		if(strlen(arg)>1){
 			for (i=0;i<totlen;i=i+len,o++) {
 				if (!strcmp(o->name,arg)) {	/* match */
 					if (o->has_arg == 0) {
-						if (!(argv[optind+1][0]=='-')){
+						if ((argv[optind+1])&&(!(argv[optind+1][0]=='-'))){
 							fprintf(stderr,"%s: option does not require an argument. Ignoring %s\n",arg,argv[optind+1]);
 							++optind;
 						}