libsparse: add support for including fds
Add sparse_file_add_fd to include all or part of the contents
of an fd in the output file. Will be useful for re-sparsing files
where fd will point to the input sparse file.
Change-Id: I5d4ab07fb37231e8e9c1912f62a2968c8b0a00ef
diff --git a/libsparse/output_file.h b/libsparse/output_file.h
index cb2feb7..d23abf3 100644
--- a/libsparse/output_file.h
+++ b/libsparse/output_file.h
@@ -31,6 +31,8 @@
uint32_t fill_val);
int write_file_chunk(struct output_file *out, unsigned int len,
const char *file, int64_t offset);
+int write_fd_chunk(struct output_file *out, unsigned int len,
+ int fd, int64_t offset);
int write_skip_chunk(struct output_file *out, int64_t len);
void close_output_file(struct output_file *out);