vendor/libarchive/3.2.0

1 files changed, 125 insertions, 0 deletions

diff --git a/libarchive/archive_write_set_format_raw.c b/libarchive/archive_write_set_format_raw.c
new file mode 100644
index 000000000000..feff93697736
--- /dev/null
+++ b/libarchive/archive_write_set_format_raw.c
@@ -0,0 +1,125 @@
+/*-
+ * Copyright (c) 2013 Marek Kubica
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "archive_platform.h"
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include "archive_entry.h"
+#include "archive_write_private.h"
+
+static ssize_t	archive_write_raw_data(struct archive_write *,
+		    const void *buff, size_t s);
+static int	archive_write_raw_free(struct archive_write *);
+static int	archive_write_raw_header(struct archive_write *,
+		    struct archive_entry *);
+
+struct raw {
+        int entries_written;
+};
+
+/*
+ * Set output format to 'raw' format.
+ */
+int
+archive_write_set_format_raw(struct archive *_a)
+{
+	struct archive_write *a = (struct archive_write *)_a;
+	struct raw *raw;
+
+	archive_check_magic(_a, ARCHIVE_WRITE_MAGIC,
+	    ARCHIVE_STATE_NEW, "archive_write_set_format_raw");
+
+	/* If someone else was already registered, unregister them. */
+	if (a->format_free != NULL)
+		(a->format_free)(a);
+
+	raw = (struct raw *)calloc(1, sizeof(*raw));
+	if (raw == NULL) {
+		archive_set_error(&a->archive, ENOMEM, "Can't allocate raw data");
+		return (ARCHIVE_FATAL);
+	}
+	raw->entries_written = 0;
+	a->format_data = raw;
+	a->format_name = "raw";
+        /* no options exist for this format */
+	a->format_options = NULL;
+	a->format_write_header = archive_write_raw_header;
+	a->format_write_data = archive_write_raw_data;
+	a->format_finish_entry = NULL;
+        /* nothing needs to be done on closing */
+	a->format_close = NULL;
+	a->format_free = archive_write_raw_free;
+	a->archive.archive_format = ARCHIVE_FORMAT_RAW;
+	a->archive.archive_format_name = "RAW";
+	return (ARCHIVE_OK);
+}
+
+static int
+archive_write_raw_header(struct archive_write *a, struct archive_entry *entry)
+{
+	struct raw *raw = (struct raw *)a->format_data;
+
+	if (archive_entry_filetype(entry) != AE_IFREG) {
+		archive_set_error(&a->archive, ERANGE,
+		    "Raw format only supports filetype AE_IFREG");
+		return (ARCHIVE_FATAL);
+	}
+
+
+	if (raw->entries_written > 0) {
+		archive_set_error(&a->archive, ERANGE,
+		    "Raw format only supports one entry per archive");
+		return (ARCHIVE_FATAL);
+	}
+	raw->entries_written++;
+
+	return (ARCHIVE_OK);
+}
+
+static ssize_t
+archive_write_raw_data(struct archive_write *a, const void *buff, size_t s)
+{
+	int ret;
+
+	ret = __archive_write_output(a, buff, s);
+	if (ret >= 0)
+		return (s);
+	else
+		return (ret);
+}
+
+static int
+archive_write_raw_free(struct archive_write *a)
+{
+	struct raw *raw;
+
+	raw = (struct raw *)a->format_data;
+	free(raw);
+	a->format_data = NULL;
+	return (ARCHIVE_OK);
+}