+ verbosity option

tools/png2fimg.c

@@ -16,33 +16,42 @@
 
 int		verbosity = 0;
 
+/* --------------------------------------------------------------------- */
+void help(int k)
+{
+if (verbosity) fimg_print_version(k);
+
+exit(0);
+}
 /* --------------------------------------------------------------------- */
 int main(int argc, char *argv[])
 {
 FloatImg	fimg;
-int		foo;
+int		foo, opt;
 
-	/*
- 	 *   pas de traitement des options ?
- 	 */
+while ((opt = getopt(argc, argv, "hv")) != -1) {
+	switch(opt) {
+		case 'v':	verbosity++;		break;
+		case 'h':	help(1);		exit(1);
+		}
+	}
 
-if (3 != argc) {
-	fimg_print_version(1);
-	fprintf(stderr, "usage:\n\t%s foo.png bar.fimg\n", argv[0]);
+if (2 != argc-optind) {
+	fprintf(stderr, "error: %s need two filenames\n", argv[0]);
 	exit(1);
 	}
 
 memset(&fimg, 0, sizeof(FloatImg));
 
-foo = fimg_create_from_png(argv[1], &fimg);
+foo = fimg_create_from_png(argv[optind], &fimg);
 if (foo) {
 	fprintf(stderr, "%s : err %d, abort.\n", argv[0], foo);
 	exit(1);
 	}
 
-if (verbosity)	fimg_describe(&fimg, argv[2]);
+if (verbosity)	fimg_describe(&fimg, argv[optind+1]);
 
-foo = fimg_dump_to_file(&fimg, argv[2], 0);
+foo = fimg_dump_to_file(&fimg, argv[optind+1], 0);
 if (foo) {
 	fprintf(stderr, "save as '%s' -> err %d\n", argv[2], foo);
 	exit(1);