X-Git-Url: http://pileus.org/git/?p=aweather;a=blobdiff_plain;f=src%2Fwsr88ddec.c;h=50152722da65859c4e4829a39acc9abf504acb59;hp=d253e1293a123d0a6f0233df9d71a1e7518cdbb7;hb=f40febfb65aa54a1089fd18c31a44d9debf8e797;hpb=4fcef1604ab68160bb3fc51755cc87d23e215fee

diff --git a/src/wsr88ddec.c b/src/wsr88ddec.c
index d253e12..5015272 100644
--- a/src/wsr88ddec.c
+++ b/src/wsr88ddec.c
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -67,27 +84,32 @@ int main(int argc, char **argv)
 
 	/* Clear header */
 	//debug("reading header\n");
-	fread (buf, 1, 24, input);
-	fwrite(buf, 1, 24, output);
+	if (!fread (buf, 24, 1, input))
+		err(1, "error reading header");
+	if (!fwrite(buf, 24, 1, output))
+		err(1, "error writing header");
 
 	//debug("reading body\n");
 	while ((st = fread(&size, 1, 4, input))) {
+		//debug("size=%08x\n", size);
 		//debug("read %u bytes\n", st);
 		//fwrite(&size, 1, 4, output); // DEBUG
 		size = abs(ntohl(size));
 		if (size < 0)
 			return 0;
 		//debug("size = %x\n", size);
-		if (size > 10*1024*1024)
+		if (size > 20*1024*1024)
 			err(1, "sanity check failed, buf is to big: %d", size);
 		buf = realloc(buf, size);
-		fread (buf, 1, size, input);
+		if (!fread(buf, size, 1, input))
+			err(1, "error reading data");
 		//fwrite(buf, 1, size, output); // DEBUG
 
 		int dec_len;
 		char *dec = bunzip2(buf, size, &dec_len);
 		// debug("decompressed %u bytes\n", dec_len);
-		fwrite(dec, 1, dec_len, output);
+		if (!fwrite(dec, 1, dec_len, output))
+			err(1, "error writing data");
 		free(dec);
 	}