Remove raw file descriptors from unpack write paths

Instead, use stdio FILE pointers. On POSIX systems, use fileno to get
the file descriptor and hopefully create sparase files.

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

1 files changed, 4 insertions, 3 deletions

diff --git a/include/tar.h b/include/tar.h
index c5d48ef..8f9f55c 100644
--- a/include/tar.h
+++ b/include/tar.h
@@ -12,6 +12,7 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include <stdio.h>
 
 typedef struct sparse_map_t {
 	struct sparse_map_t *next;
@@ -118,7 +119,7 @@ typedef struct {
   The counter is an incremental record counter used if additional
   headers need to be generated.
 */
-int write_tar_header(int fd, const struct stat *sb, const char *name,
+int write_tar_header(FILE *fp, const struct stat *sb, const char *name,
 		     const char *slink_target, const tar_xattr_t *xattr,
 		     unsigned int counter);
 
@@ -136,7 +137,7 @@ void clear_header(tar_header_decoded_t *hdr);
   Write zero bytes to an output file to padd it to the tar record size.
   Returns 0 on success. On failure, prints error message to stderr.
 */
-int padd_file(int outfd, sqfs_u64 size);
+int padd_file(FILE *fp, sqfs_u64 size);
 
 
 /*
@@ -153,6 +154,6 @@ int read_retry(const char *errstr, int fd, void *buffer, size_t size);
   on success. Writes to stderr on failure using 'errstr' as a perror style
   error prefix.
 */
-int write_retry(const char *errstr, int fd, const void *data, size_t size);
+int write_retry(const char *errstr, FILE *fp, const void *data, size_t size);
 
 #endif /* TAR_H */