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Diffstat (limited to 'archive-zip.c')
-rw-r--r--archive-zip.c36
1 files changed, 11 insertions, 25 deletions
diff --git a/archive-zip.c b/archive-zip.c
index b429a8d974..a6fac59602 100644
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -11,16 +11,14 @@
static int zip_date;
static int zip_time;
-static unsigned char *zip_dir;
-static unsigned int zip_dir_size;
+/* We only care about the "buf" part here. */
+static struct strbuf zip_dir;
static unsigned int zip_offset;
-static unsigned int zip_dir_offset;
static uint64_t zip_dir_entries;
static unsigned int max_creator_version;
-#define ZIP_DIRECTORY_MIN_SIZE (1024 * 1024)
#define ZIP_STREAM (1 << 3)
#define ZIP_UTF8 (1 << 11)
@@ -268,7 +266,6 @@ static int write_zip_entry(struct archiver_args *args,
unsigned long attr2;
unsigned long compressed_size;
unsigned long crc;
- unsigned long direntsize;
int method;
unsigned char *out;
void *deflated = NULL;
@@ -356,13 +353,6 @@ static int write_zip_entry(struct archiver_args *args,
extra.flags[0] = 1; /* just mtime */
copy_le32(extra.mtime, args->time);
- /* make sure we have enough free space in the dictionary */
- direntsize = ZIP_DIR_HEADER_SIZE + pathlen + ZIP_EXTRA_MTIME_SIZE;
- while (zip_dir_size < zip_dir_offset + direntsize) {
- zip_dir_size += ZIP_DIRECTORY_MIN_SIZE;
- zip_dir = xrealloc(zip_dir, zip_dir_size);
- }
-
copy_le32(dirent.magic, 0x02014b50);
copy_le16(dirent.creator_version, creator_version);
copy_le16(dirent.version, 10);
@@ -486,12 +476,9 @@ static int write_zip_entry(struct archiver_args *args,
copy_le16(dirent.attr1, !is_binary);
- 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;
- memcpy(zip_dir + zip_dir_offset, &extra, ZIP_EXTRA_MTIME_SIZE);
- zip_dir_offset += ZIP_EXTRA_MTIME_SIZE;
+ strbuf_add(&zip_dir, &dirent, ZIP_DIR_HEADER_SIZE);
+ strbuf_add(&zip_dir, path, pathlen);
+ strbuf_add(&zip_dir, &extra, ZIP_EXTRA_MTIME_SIZE);
zip_dir_entries++;
return 0;
@@ -510,12 +497,12 @@ static void write_zip64_trailer(void)
copy_le32(trailer64.directory_start_disk, 0);
copy_le64(trailer64.entries_on_this_disk, zip_dir_entries);
copy_le64(trailer64.entries, zip_dir_entries);
- copy_le64(trailer64.size, zip_dir_offset);
+ copy_le64(trailer64.size, zip_dir.len);
copy_le64(trailer64.offset, zip_offset);
copy_le32(locator64.magic, 0x07064b50);
copy_le32(locator64.disk, 0);
- copy_le64(locator64.offset, zip_offset + zip_dir_offset);
+ copy_le64(locator64.offset, zip_offset + zip_dir.len);
copy_le32(locator64.number_of_disks, 1);
write_or_die(1, &trailer64, ZIP64_DIR_TRAILER_SIZE);
@@ -533,11 +520,11 @@ static void write_zip_trailer(const unsigned char *sha1)
copy_le16_clamp(trailer.entries_on_this_disk, zip_dir_entries,
&clamped);
copy_le16_clamp(trailer.entries, zip_dir_entries, &clamped);
- copy_le32(trailer.size, zip_dir_offset);
+ copy_le32(trailer.size, zip_dir.len);
copy_le32(trailer.offset, zip_offset);
copy_le16(trailer.comment_length, sha1 ? GIT_SHA1_HEXSZ : 0);
- write_or_die(1, zip_dir, zip_dir_offset);
+ write_or_die(1, zip_dir.buf, zip_dir.len);
if (clamped)
write_zip64_trailer();
write_or_die(1, &trailer, ZIP_DIR_TRAILER_SIZE);
@@ -568,14 +555,13 @@ static int write_zip_archive(const struct archiver *ar,
dos_time(&args->time, &zip_date, &zip_time);
- zip_dir = xmalloc(ZIP_DIRECTORY_MIN_SIZE);
- zip_dir_size = ZIP_DIRECTORY_MIN_SIZE;
+ strbuf_init(&zip_dir, 0);
err = write_archive_entries(args, write_zip_entry);
if (!err)
write_zip_trailer(args->commit_sha1);
- free(zip_dir);
+ strbuf_release(&zip_dir);
return err;
}