X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=archive-zip.c;h=444e1623db66fe4f5d8983e1e9e2cf4083b005b4;hb=b92565dc5c505c3d01f3219fb7f61ebc70630a2c;hp=28e7352e98eaa3bcbc3c86ce772bae35a605ceb2;hpb=7a6a5e406297792075ca20a63427dd37ee4ecb01;p=git.git

diff --git a/archive-zip.c b/archive-zip.c
index 28e7352e9..444e1623d 100644
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2006 Rene Scharfe
  */
-#include <time.h>
 #include "cache.h"
 #include "commit.h"
 #include "blob.h"
@@ -35,6 +34,7 @@ struct zip_local_header {
 	unsigned char size[4];
 	unsigned char filename_length[2];
 	unsigned char extra_length[2];
+	unsigned char _end[1];
 };
 
 struct zip_dir_header {
@@ -55,6 +55,7 @@ struct zip_dir_header {
 	unsigned char attr1[2];
 	unsigned char attr2[4];
 	unsigned char offset[4];
+	unsigned char _end[1];
 };
 
 struct zip_dir_trailer {
@@ -66,8 +67,18 @@ struct zip_dir_trailer {
 	unsigned char size[4];
 	unsigned char offset[4];
 	unsigned char comment_length[2];
+	unsigned char _end[1];
 };
 
+/*
+ * On ARM, padding is added at the end of the struct, so a simple
+ * sizeof(struct ...) reports two bytes more than the payload size
+ * we're interested in.
+ */
+#define ZIP_LOCAL_HEADER_SIZE	offsetof(struct zip_local_header, _end)
+#define ZIP_DIR_HEADER_SIZE	offsetof(struct zip_dir_header, _end)
+#define ZIP_DIR_TRAILER_SIZE	offsetof(struct zip_dir_trailer, _end)
+
 static void copy_le16(unsigned char *dest, unsigned int n)
 {
 	dest[0] = 0xff & n;
@@ -156,11 +167,11 @@ static int write_zip_entry(const unsigned char *sha1,
 	int pathlen;
 	unsigned char *out;
 	char *path;
-	char type[20];
+	enum object_type type;
 	void *buffer = NULL;
 	void *deflated = NULL;
 
-	crc = crc32(0, Z_NULL, 0);
+	crc = crc32(0, NULL, 0);
 
 	path = construct_path(base, baselen, filename, S_ISDIR(mode), &pathlen);
 	if (verbose)
@@ -171,10 +182,10 @@ static int write_zip_entry(const unsigned char *sha1,
 		goto out;
 	}
 
-	if (S_ISDIR(mode)) {
+	if (S_ISDIR(mode) || S_ISGITLINK(mode)) {
 		method = 0;
 		attr2 = 16;
-		result = READ_TREE_RECURSIVE;
+		result = (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
 		out = NULL;
 		uncompressed_size = 0;
 		compressed_size = 0;
@@ -184,7 +195,7 @@ static int write_zip_entry(const unsigned char *sha1,
 		if (S_ISREG(mode) && zlib_compression_level != 0)
 			method = 8;
 		result = 0;
-		buffer = read_sha1_file(sha1, type, &size);
+		buffer = convert_sha1_file(path, sha1, mode, &type, &size);
 		if (!buffer)
 			die("cannot read %s", sha1_to_hex(sha1));
 		crc = crc32(crc, buffer, size);
@@ -211,7 +222,7 @@ static int write_zip_entry(const unsigned char *sha1,
 	}
 
 	/* make sure we have enough free space in the dictionary */
-	direntsize = sizeof(struct zip_dir_header) + pathlen;
+	direntsize = ZIP_DIR_HEADER_SIZE + pathlen;
 	while (zip_dir_size < zip_dir_offset + direntsize) {
 		zip_dir_size += ZIP_DIRECTORY_MIN_SIZE;
 		zip_dir = xrealloc(zip_dir, zip_dir_size);
@@ -234,8 +245,8 @@ static int write_zip_entry(const unsigned char *sha1,
 	copy_le16(dirent.attr1, 0);
 	copy_le32(dirent.attr2, attr2);
 	copy_le32(dirent.offset, zip_offset);
-	memcpy(zip_dir + zip_dir_offset, &dirent, sizeof(struct zip_dir_header));
-	zip_dir_offset += sizeof(struct zip_dir_header);
+	memcpy(zip_dir + zip_dir_offset, &dirent, ZIP_DIR_HEADER_SIZE);
+	zip_dir_offset += ZIP_DIR_HEADER_SIZE;
 	memcpy(zip_dir + zip_dir_offset, path, pathlen);
 	zip_dir_offset += pathlen;
 	zip_dir_entries++;
@@ -251,8 +262,8 @@ static int write_zip_entry(const unsigned char *sha1,
 	copy_le32(header.size, uncompressed_size);
 	copy_le16(header.filename_length, pathlen);
 	copy_le16(header.extra_length, 0);
-	write_or_die(1, &header, sizeof(struct zip_local_header));
-	zip_offset += sizeof(struct zip_local_header);
+	write_or_die(1, &header, ZIP_LOCAL_HEADER_SIZE);
+	zip_offset += ZIP_LOCAL_HEADER_SIZE;
 	write_or_die(1, path, pathlen);
 	zip_offset += pathlen;
 	if (compressed_size > 0) {
@@ -282,7 +293,7 @@ static void write_zip_trailer(const unsigned char *sha1)
 	copy_le16(trailer.comment_length, sha1 ? 40 : 0);
 
 	write_or_die(1, zip_dir, zip_dir_offset);
-	write_or_die(1, &trailer, sizeof(struct zip_dir_trailer));
+	write_or_die(1, &trailer, ZIP_DIR_TRAILER_SIZE);
 	if (sha1)
 		write_or_die(1, sha1_to_hex(sha1), 40);
 }