sequencer: lib'ify checkout_fast_forward()

diff --git a/archive-tar.c b/archive-tar.c
index 7ea4e90814d26b99c9e2de598daa874ec4b216fd..380e3aedd23c02da9ba70d9c5a258550a9637c71 100644 (file)
--- a/archive-tar.c
+++ b/archive-tar.c
@@ -25,8 +25,13 @@ static int write_tar_filter_archive(const struct archiver *ar,
  *
  * Likewise for the mtime (which happens to use a buffer of the same size).
  */
+#if ULONG_MAX == 0xFFFFFFFF
+#define USTAR_MAX_SIZE ULONG_MAX
+#define USTAR_MAX_MTIME ULONG_MAX
+#else
 #define USTAR_MAX_SIZE 077777777777UL
 #define USTAR_MAX_MTIME 077777777777UL
+#endif
 
 /* writes out the whole block, but only if it is full */
 static void write_if_needed(void)
@@ -208,9 +213,9 @@ static void prepare_header(struct archiver_args *args,
        xsnprintf(header->chksum, sizeof(header->chksum), "%07o", ustar_header_chksum(header));
 }
 
-static int write_extended_header(struct archiver_args *args,
-                                const unsigned char *sha1,
-                                const void *buffer, unsigned long size)
+static void write_extended_header(struct archiver_args *args,
+                                 const unsigned char *sha1,
+                                 const void *buffer, unsigned long size)
 {
        struct ustar_header header;
        unsigned int mode;
@@ -221,7 +226,6 @@ static int write_extended_header(struct archiver_args *args,
        prepare_header(args, &header, mode, size);
        write_blocked(&header, sizeof(header));
        write_blocked(buffer, size);
-       return 0;
 }
 
 static int write_tar_entry(struct archiver_args *args,
@@ -300,12 +304,8 @@ static int write_tar_entry(struct archiver_args *args,
        prepare_header(args, &header, mode, size_in_header);
 
        if (ext_header.len > 0) {
-               err = write_extended_header(args, sha1, ext_header.buf,
-                                           ext_header.len);
-               if (err) {
-                       free(buffer);
-                       return err;
-               }
+               write_extended_header(args, sha1, ext_header.buf,
+                                     ext_header.len);
        }
        strbuf_release(&ext_header);
        write_blocked(&header, sizeof(header));