From: Paul Fox <pgf@brightstareng.com>
Date: Sat, 17 Nov 2007 19:11:05 +0000 (-0000)
Subject: add comment clarifying busybox's use of non-standard tar header
X-Git-Tag: 1_9_0~94
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=16aec39ebeb2246b0a0d335d5f02f6e1ebca67d1;p=oweals%2Fbusybox.git

add comment clarifying busybox's use of non-standard tar header
---

diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index bbf088cd8..274bd4607 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -61,6 +61,9 @@ char get_header_tar(archive_handle_t *archive_handle)
 		char linkname[100]; /* 157-256 */
 		/* POSIX:   "ustar" NUL "00" */
 		/* GNU tar: "ustar  " NUL */
+		/* Normally it's defined as magic[6] followed by
+		 * version[2], but we put them together to save code.
+		 */
 		char magic[8];      /* 257-264 */
 		char uname[32];     /* 265-296 */
 		char gname[32];     /* 297-328 */
diff --git a/archival/tar.c b/archival/tar.c
index bbde88a57..5b19093e8 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -52,13 +52,16 @@ struct TarHeader {		  /* byte offset */
 	char linkname[NAME_SIZE]; /* 157-256 */
 	/* POSIX:   "ustar" NUL "00" */
 	/* GNU tar: "ustar  " NUL */
+	/* Normally it's defined as magic[6] followed by
+	 * version[2], but we put them together to save code.
+	 */
 	char magic[8];            /* 257-264 */
 	char uname[32];           /* 265-296 */
 	char gname[32];           /* 297-328 */
 	char devmajor[8];         /* 329-336 */
 	char devminor[8];         /* 337-344 */
 	char prefix[155];         /* 345-499 */
-	char padding[12];         /* 500-512 (pad to exactly the TAR_BLOCK_SIZE) */
+	char padding[12];         /* 500-512 (pad to exactly TAR_BLOCK_SIZE) */
 };
 
 /*