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82 lines
3.5 KiB
Diff
82 lines
3.5 KiB
Diff
From 1deebd85ef87cc581e995ce0a51dc0802ac9c367 Mon Sep 17 00:00:00 2001
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From: Pete Batard <pete@akeo.ie>
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Date: Mon, 7 Aug 2017 16:23:12 +0100
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Subject: [PATCH] io: add a GRUB_GZ prefix to gzio specific defines
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* This is done to avoid a conflict with a PACKED define in the EDK2
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---
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grub-core/io/gzio.c | 40 ++++++++++++++++++++--------------------
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1 file changed, 20 insertions(+), 20 deletions(-)
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diff --git a/grub-core/io/gzio.c b/grub-core/io/gzio.c
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index 0f2ea6bd845..a8e33033bf8 100644
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--- a/grub-core/io/gzio.c
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+++ b/grub-core/io/gzio.c
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@@ -140,24 +140,24 @@ eat_field (grub_file_t file, int len)
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#define OLD_GZIP_MAGIC grub_le_to_cpu16 (0x9E1F)
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/* Compression methods (see algorithm.doc) */
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-#define STORED 0
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-#define COMPRESSED 1
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-#define PACKED 2
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-#define LZHED 3
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+#define GRUB_GZ_STORED 0
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+#define GRUB_GZ_COMPRESSED 1
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+#define GRUB_GZ_PACKED 2
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+#define GRUB_GZ_LZHED 3
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/* methods 4 to 7 reserved */
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-#define DEFLATED 8
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-#define MAX_METHODS 9
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+#define GRUB_GZ_DEFLATED 8
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+#define GRUB_GZ_MAX_METHODS 9
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/* gzip flag byte */
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-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
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-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
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-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
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-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
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-#define COMMENT 0x10 /* bit 4 set: file comment present */
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-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
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-#define RESERVED 0xC0 /* bit 6,7: reserved */
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+#define GRUB_GZ_ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
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+#define GRUB_GZ_CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
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+#define GRUB_GZ_EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
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+#define GRUB_GZ_ORIG_NAME 0x08 /* bit 3 set: original file name present */
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+#define GRUB_GZ_COMMENT 0x10 /* bit 4 set: file comment present */
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+#define GRUB_GZ_ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
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+#define GRUB_GZ_RESERVED 0xC0 /* bit 6,7: reserved */
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-#define UNSUPPORTED_FLAGS (CONTINUATION | ENCRYPTED | RESERVED)
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+#define GRUB_GZ_UNSUPPORTED_FLAGS (GRUB_GZ_CONTINUATION | GRUB_GZ_ENCRYPTED | GRUB_GZ_RESERVED)
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/* inflate block codes */
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#define INFLATE_STORED 0
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@@ -201,14 +201,14 @@ test_gzip_header (grub_file_t file)
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* problem occurs from here on, then we have corrupt or otherwise
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* bad data, and the error should be reported to the user.
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*/
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- if (hdr.method != DEFLATED
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- || (hdr.flags & UNSUPPORTED_FLAGS)
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- || ((hdr.flags & EXTRA_FIELD)
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+ if (hdr.method != GRUB_GZ_DEFLATED
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+ || (hdr.flags & GRUB_GZ_UNSUPPORTED_FLAGS)
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+ || ((hdr.flags & GRUB_GZ_EXTRA_FIELD)
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&& (grub_file_read (gzio->file, &extra_len, 2) != 2
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|| eat_field (gzio->file,
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grub_le_to_cpu16 (extra_len))))
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- || ((hdr.flags & ORIG_NAME) && eat_field (gzio->file, -1))
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- || ((hdr.flags & COMMENT) && eat_field (gzio->file, -1)))
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+ || ((hdr.flags & GRUB_GZ_ORIG_NAME) && eat_field (gzio->file, -1))
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+ || ((hdr.flags & GRUB_GZ_COMMENT) && eat_field (gzio->file, -1)))
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return 0;
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gzio->data_offset = grub_file_tell (gzio->file);
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@@ -1183,7 +1183,7 @@ test_zlib_header (grub_gzio_t gzio)
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flg = get_byte (gzio);
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/* Check that compression method is DEFLATE. */
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- if ((cmf & 0xf) != DEFLATED)
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+ if ((cmf & 0xf) != GRUB_GZ_DEFLATED)
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{
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/* TRANSLATORS: It's about given file having some strange format, not
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complete lack of gzip support. */
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