submodule recursing: do not write a config variable twice

diff --git a/pack-write.c b/pack-write.c
index ea0b78813081236401efbf5f102e7f89a7d5ed7b..fa97b72559883a38be147fab737f6b7adae5975b 100644 (file)
--- a/pack-write.c
+++ b/pack-write.c
@@ -61,8 +61,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                        if (objects[i]->offset > last_obj_offset)
                                last_obj_offset = objects[i]->offset;
                }
-               qsort(sorted_by_sha, nr_objects, sizeof(sorted_by_sha[0]),
-                     sha1_compare);
+               QSORT(sorted_by_sha, nr_objects, sha1_compare);
        }
        else
                sorted_by_sha = list = last = NULL;
@@ -72,15 +71,15 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                f = sha1fd_check(index_name);
        } else {
                if (!index_name) {
-                       static char tmp_file[PATH_MAX];
-                       fd = odb_mkstemp(tmp_file, sizeof(tmp_file), "pack/tmp_idx_XXXXXX");
-                       index_name = xstrdup(tmp_file);
+                       struct strbuf tmp_file = STRBUF_INIT;
+                       fd = odb_mkstemp(&tmp_file, "pack/tmp_idx_XXXXXX");
+                       index_name = strbuf_detach(&tmp_file, NULL);
                } else {
                        unlink(index_name);
                        fd = open(index_name, O_CREAT|O_EXCL|O_WRONLY, 0600);
+                       if (fd < 0)
+                               die_errno("unable to create '%s'", index_name);
                }
-               if (fd < 0)
-                       die_errno("unable to create '%s'", index_name);
                f = sha1fd(fd, index_name);
        }
 
@@ -305,7 +304,8 @@ char *index_pack_lockfile(int ip_out)
  *  - each byte afterwards: low seven bits are size continuation,
  *    with the high bit being "size continues"
  */
-int encode_in_pack_object_header(enum object_type type, uintmax_t size, unsigned char *hdr)
+int encode_in_pack_object_header(unsigned char *hdr, int hdr_len,
+                                enum object_type type, uintmax_t size)
 {
        int n = 1;
        unsigned char c;
@@ -316,6 +316,8 @@ int encode_in_pack_object_header(enum object_type type, uintmax_t size, unsigned
        c = (type << 4) | (size & 15);
        size >>= 4;
        while (size) {
+               if (n == hdr_len)
+                       die("object size is too enormous to format");
                *hdr++ = c | 0x80;
                c = size & 0x7f;
                size >>= 7;
@@ -327,11 +329,11 @@ int encode_in_pack_object_header(enum object_type type, uintmax_t size, unsigned
 
 struct sha1file *create_tmp_packfile(char **pack_tmp_name)
 {
-       char tmpname[PATH_MAX];
+       struct strbuf tmpname = STRBUF_INIT;
        int fd;
 
-       fd = odb_mkstemp(tmpname, sizeof(tmpname), "pack/tmp_pack_XXXXXX");
-       *pack_tmp_name = xstrdup(tmpname);
+       fd = odb_mkstemp(&tmpname, "pack/tmp_pack_XXXXXX");
+       *pack_tmp_name = strbuf_detach(&tmpname, NULL);
        return sha1fd(fd, *pack_tmp_name);
 }