pcmprint

commit c964589bb52c9609c86b68c880172345f8df11d7
parent 9fb6842004d8b61e93667fa274e2349e4479abf4
Author: zavok <an2qzavok@gmail.com>
Date:   Wed, 20 Mar 2019 15:22:17 +0300

tidying up

Diffstat:
M
pcmprint.c
 | 
15
++++++++++-----

1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/pcmprint.c b/pcmprint.c
@@ -3,11 +3,10 @@
 #include <unistd.h>
 #include <string.h>
 #include <fcntl.h>
-#include <errno.h>
+
 static int BLKSIZE = 1024;
 static int CHLEN   = 32;
-
-char intens[] = {'`', '@'};
+char *intens = "`@";
 
 static void
 usage(char *cmd)
@@ -57,11 +56,17 @@ main(int argc, char **argv)
 		switch (ch){
 		case 'b':
 			BLKSIZE = atoi(optarg);
-			if (BLKSIZE <= 0) BLKSIZE = 1;
+			if (BLKSIZE <= 0){
+				dprintf(2, "Error: -b too small: %d\n", BLKSIZE);
+				exit(-1);
+			} 
 			break;
 		case 'w':
 			CHLEN = atoi(optarg);
-			if (CHLEN <= 0) CHLEN = 1;
+			if (CHLEN <= 0){
+				dprintf(2, "Error: -w too small: %d\n", CHLEN);
+				exit(-1);
+			}
 			break;
 		default:
 			usage(argv[0]);