[PATCH] git-tar-tree: make file contents accessible to write_header()

Pass pointer to filecontents to write_header() and pass pointer
to filecontents, its size and some flags to write_exntended_header().
These parameters are not used, yet.  They are added in preparation
to symlink support.

diff --git a/tar-tree.c b/tar-tree.c
index 277c882..e99adc7 100644 (file)
--- a/tar-tree.c
+++ b/tar-tree.c
@@ -199,13 +199,14 @@ static void append_extended_header(char **p, const char *keyword,
 }
 
 static void write_header(const char *, char, const char *, struct path_prefix *,
-                         const char *, unsigned int, unsigned long);
+                         const char *, unsigned int, void *, unsigned long);
 
 /* stores a pax extended header directly in the block buffer */
 static void write_extended_header(const char *headerfilename, int is_dir,
-                                  const char *basepath,
+                                  unsigned int flags, const char *basepath,
                                   struct path_prefix *prefix,
-                                  const char *path, unsigned int namelen)
+                                  const char *path, unsigned int namelen,
+                                  void *content, unsigned int contentsize)
 {
        char *p;
        unsigned int pathlen, size;
@@ -214,7 +215,7 @@ static void write_extended_header(const char *headerfilename, int is_dir,
        if (size > RECORDSIZE)
                die("tar-tree: extended header too big, wtf?");
        write_header(NULL, TYPEFLAG_EXT_HEADER, NULL, NULL, headerfilename,
-                    0100600, size);
+                    0100600, NULL, size);
 
        p = get_record();
        append_extended_header_prefix(&p, pathlen, "path");
@@ -230,7 +231,7 @@ static void write_global_extended_header(const char *sha1)
 
        size = extended_header_len("comment", 40);
        write_header(NULL, TYPEFLAG_GLOBAL_HEADER, NULL, NULL,
-                    "pax_global_header", 0100600, size);
+                    "pax_global_header", 0100600, NULL, size);
 
        p = get_record();
        append_extended_header(&p, "comment", sha1_to_hex(sha1), 40);
@@ -240,7 +241,7 @@ static void write_global_extended_header(const char *sha1)
 /* stores a ustar header directly in the block buffer */
 static void write_header(const char *sha1, char typeflag, const char *basepath,
                          struct path_prefix *prefix, const char *path,
-                         unsigned int mode, unsigned long size)
+                         unsigned int mode, void *buffer, unsigned long size)
 {
        unsigned int namelen; 
        char *p, *header = NULL;
@@ -262,8 +263,9 @@ static void write_header(const char *sha1, char typeflag, const char *basepath,
                char headerfilename[51];
                sprintf(headerfilename, "%s.paxheader", sha1_hex);
                /* the extended header must be written before the normal one */
-               write_extended_header(headerfilename, S_ISDIR(mode), basepath,
-                                     prefix, path, namelen);
+               write_extended_header(headerfilename, S_ISDIR(mode),
+                                     0, basepath, prefix, path,
+                                     namelen, buffer, size);
 
                header = get_record();
                sprintf(header, "%s.data", sha1_hex);
@@ -325,7 +327,7 @@ static void traverse_tree(void *buffer, unsigned long size,
                if (!eltbuf)
                        die("cannot read %s", sha1_to_hex(sha1));
                write_header(sha1, TYPEFLAG_AUTO, basedir, prefix, path,
-                            mode, eltsize);
+                            mode, eltbuf, eltsize);
                if (!strcmp(elttype, "tree")) {
                        this_prefix.name = path;
                        traverse_tree(eltbuf, eltsize, &this_prefix);
@@ -399,7 +401,8 @@ int main(int argc, char **argv)
        if (!archive_time)
                archive_time = time(NULL);
        if (basedir)
-               write_header("0", TYPEFLAG_DIR, NULL, NULL, basedir, 040755, 0);
+               write_header("0", TYPEFLAG_DIR, NULL, NULL, basedir, 040755,
+                            NULL, 0);
        traverse_tree(buffer, size, NULL);
        free(buffer);
        write_trailer();