X-Git-Url: http://git.dolda2000.com/gitweb/?a=blobdiff_plain;f=config%2Fbaseconv.c;h=56c8d2d1427e0c6f6c2d2ba878b6a4583e817f77;hb=d6af9cf30349e4c09b4e9e60342bf1ddd142abd1;hp=360daad9d6185c517b64ace285e9b38f5fda57af;hpb=dc32e1a7ee7669b5dcb7b2b007fcd3606b323373;p=doldaconnect.git

diff --git a/config/baseconv.c b/config/baseconv.c
index 360daad..56c8d2d 100644
--- a/config/baseconv.c
+++ b/config/baseconv.c
@@ -14,6 +14,11 @@ int main(int argc, char **argv)
     char *(*decfn)(char *, size_t *);
     char *(*encfn)(char *, size_t);
     
+    if(argc < 3) {
+	fprintf(stderr, "usage: baseconv [4568] [4568]\n");
+	fprintf(stderr, "\tenter data on stdin\n");
+	exit(1);
+    }
     data = 0;
     if(!strcmp(argv[1], "4")) {
 	decfn = hexdecode;
@@ -61,7 +66,7 @@ int main(int argc, char **argv)
 		if(linelen + buflen > 60) {
 		    fwrite(encbuf, 1, 60 - linelen, stdout);
 		    fwrite("\n", 1, 1, stdout);
-		    buflen -= 60 - linelen;
+		    memmove(encbuf, encbuf + 60 - linelen, buflen -= 60 - linelen);
 		}
 		fwrite(encbuf, 1, buflen, stdout);
 		linelen += buflen;