minor tweaks

tools/cumulfimgs.c

@@ -36,11 +36,13 @@ return 0;
 /* --------------------------------------------------------------------- */
 void help(int v)
 {
+puts("");
+puts("$ cumulfimgs a.fimg b.fimg c-fimg ...");
 puts("cumulator options :");
 puts("\t-v\tincrease verbosity");
 puts("\t-o\tname of output file");
 puts("\t-g\tconvert to gray level");
-
+puts("");
 if (verbosity) { puts(""); fimg_print_version(1); }
 exit(0);
 }
@@ -71,10 +73,6 @@ if (verbosity)		fprintf(stderr, "------ cumulfimgs ------\n");
 fprintf(stderr, "argc = %d, optind = %d\n", argc, optind);
 #endif
 
-// foo = testfile(output_file);
-// fprintf(stderr, "Output %s -> %d\n", output_file, foo);
-
-
 for (idx=optind; idx<argc; idx++) {
 
 #if DEBUG_LEVEL
@@ -84,6 +82,7 @@ for (idx=optind; idx<argc; idx++) {
 	foo = testfile(argv[idx]);
 	if (foo) {
 		fprintf(stderr, "testfile %s -> %d\n", argv[idx],foo);
+		exit(1);
 		}
 
 	if ( ! src_loaded ) {
@@ -112,6 +111,10 @@ if (to_gray) {
 	}
 
 foo = fimg_dump_to_file(&accu, output_file, 0);
+if (foo) {
+	fprintf(stderr, "error %d while saving '%s'\n", foo, output_file);
+	exit(1);
+	}
 
 return 0;
 }

tools/essai.sh

@@ -36,8 +36,10 @@ D=" 800 600 "
 ./mkfimg -v -t hdeg	hdeg.fimg $D
 ./mkfimg -v -t vdeg	vdeg.fimg $D
 ./mkfimg -v -t drand48	rand.fimg $D
+./mkfimg -v -t tpat0	pat0.fimg $D
 
-./cumulfimgs -v -g -o foo.fimg hdeg.fimg rand.fimg vdeg.fimg
+./cumulfimgs -v -g -o foo.fimg			\
+	hdeg.fimg pat0.fimg rand.fimg vdeg.fimg
 }
 #  -----------------------------------------------------