From: ceriel <none@none>
Date: Tue, 12 Apr 1988 19:34:38 +0000 (+0000)
Subject: make a little more robust
X-Git-Tag: release-5-5~3443
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=75345fa915fc2d7c9a67bf365ace94c40d86cf18;p=ack.git

make a little more robust
---

diff --git a/util/arch/archiver.c b/util/arch/archiver.c
index c8064b9b0..d2bf5535c 100644
--- a/util/arch/archiver.c
+++ b/util/arch/archiver.c
@@ -253,6 +253,9 @@ get_member()
 again:
   if (rd_arhdr(ar_fd, &member) == 0)
 	return NIL_MEM;
+  if (member.ar_size < 0) {
+	error(TRUE, "archive has member with negative size\n");
+  }
 #ifdef AAL
   if (equal(SYMDEF, member.ar_name)) {
 	lseek(ar_fd, member.ar_size, 1);
@@ -499,7 +502,7 @@ int from, to;
 	}
 	if (to >= 0) mwrite(to, io_buffer, rest);
 	mem_size -= (long) rest;
-  } while (mem_size != 0L);
+  } while (mem_size > 0L);
 
   if (is_odd) {
 	lseek(from, 1L, 1);