rdsquashfs: seperate creating of the hierarchy, unpacking and chmod/chown

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 39 insertions, 0 deletions

diff --git a/unpack/fill_files.c b/unpack/fill_files.c
new file mode 100644
index 0000000..6584699
--- /dev/null
+++ b/unpack/fill_files.c
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#include "config.h"
+#include "rdsquashfs.h"
+
+static int fill_files(data_reader_t *data, file_info_t *list, int flags)
+{
+	file_info_t *fi;
+	int fd;
+
+	for (fi = list; fi != NULL; fi = fi->next) {
+		if (fi->input_file == NULL)
+			continue;
+
+		fd = open(fi->input_file, O_WRONLY);
+		if (fd < 0) {
+			fprintf(stderr, "unpacking %s: %s\n",
+				fi->input_file, strerror(errno));
+			return -1;
+		}
+
+		if (!(flags & UNPACK_QUIET))
+			printf("unpacking %s\n", fi->input_file);
+
+		if (data_reader_dump_file(data, fi, fd,
+					  (flags & UNPACK_NO_SPARSE) == 0)) {
+			close(fd);
+			return -1;
+		}
+
+		close(fd);
+	}
+
+	return 0;
+}
+
+int fill_unpacked_files(fstree_t *fs, data_reader_t *data, int flags)
+{
+	return fill_files(data, fs->files, flags);
+}