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diff -uNr tar-1.23.ORIG//src/create.c tar-1.23/src/create.c
--- tar-1.23.ORIG//src/create.c 2010-04-25 17:36:03.553606076 +0100
+++ tar-1.23/src/create.c 2010-04-25 17:36:16.294605862 +0100
@@ -575,7 +575,10 @@
GNAME_TO_CHARS (tmpname, header->header.gname);
free (tmpname);
- strcpy (header->header.magic, OLDGNU_MAGIC);
+ /* OLDGNU_MAGIC is string with 7 chars + NULL */
+ strncpy (header->header.magic, OLDGNU_MAGIC, sizeof(header->header.magic));
+ strncpy (header->header.version, OLDGNU_MAGIC+sizeof(header->header.magic),
+ sizeof(header->header.version));
header->header.typeflag = type;
finish_header (st, header, -1);
@@ -910,9 +913,13 @@
break;
case OLDGNU_FORMAT:
- case GNU_FORMAT: /*FIXME?*/
- /* Overwrite header->header.magic and header.version in one blow. */
- strcpy (header->header.magic, OLDGNU_MAGIC);
+ case GNU_FORMAT:
+ /* OLDGNU_MAGIC is string with 7 chars + NULL */
+ strncpy (header->header.magic, OLDGNU_MAGIC,
+ sizeof(header->header.magic));
+ strncpy (header->header.version,
+ OLDGNU_MAGIC+sizeof(header->header.magic),
+ sizeof(header->header.version));
break;
case POSIX_FORMAT:
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