banned.h: mark strncat() as banned

diff --git a/bundle.c b/bundle.c
index 1ef584b93b87491dca873429f1fbbbadf19622d4..88c3e16d86162518ddde771703a3d2b0fc622f3b 100644 (file)
--- a/bundle.c
+++ b/bundle.c
@@ -243,7 +243,7 @@ static int is_tag_in_date_range(struct object *tag, struct rev_info *revs)
 }
 
 
-/* Write the pack data to bundle_fd, then close it if it is > 1. */
+/* Write the pack data to bundle_fd */
 static int write_pack_data(int bundle_fd, struct rev_info *revs)
 {
        struct child_process pack_objects = CHILD_PROCESS_INIT;
@@ -256,6 +256,20 @@ static int write_pack_data(int bundle_fd, struct rev_info *revs)
        pack_objects.in = -1;
        pack_objects.out = bundle_fd;
        pack_objects.git_cmd = 1;
+
+       /*
+        * start_command() will close our descriptor if it's >1. Duplicate it
+        * to avoid surprising the caller.
+        */
+       if (pack_objects.out > 1) {
+               pack_objects.out = dup(pack_objects.out);
+               if (pack_objects.out < 0) {
+                       error_errno(_("unable to dup bundle descriptor"));
+                       child_process_clear(&pack_objects);
+                       return -1;
+               }
+       }
+
        if (start_command(&pack_objects))
                return error(_("Could not spawn pack-objects"));
 
@@ -421,21 +435,10 @@ int create_bundle(struct bundle_header *header, const char *path,
        bundle_to_stdout = !strcmp(path, "-");
        if (bundle_to_stdout)
                bundle_fd = 1;
-       else {
+       else
                bundle_fd = hold_lock_file_for_update(&lock, path,
                                                      LOCK_DIE_ON_ERROR);
 
-               /*
-                * write_pack_data() will close the fd passed to it,
-                * but commit_lock_file() will also try to close the
-                * lockfile's fd. So make a copy of the file
-                * descriptor to avoid trying to close it twice.
-                */
-               bundle_fd = dup(bundle_fd);
-               if (bundle_fd < 0)
-                       die_errno("unable to dup file descriptor");
-       }
-
        /* write signature */
        write_or_die(bundle_fd, bundle_signature, strlen(bundle_signature));
 
@@ -463,10 +466,8 @@ int create_bundle(struct bundle_header *header, const char *path,
                goto err;
 
        /* write pack */
-       if (write_pack_data(bundle_fd, &revs)) {
-               bundle_fd = -1; /* already closed by the above call */
+       if (write_pack_data(bundle_fd, &revs))
                goto err;
-       }
 
        if (!bundle_to_stdout) {
                if (commit_lock_file(&lock))
@@ -474,11 +475,7 @@ int create_bundle(struct bundle_header *header, const char *path,
        }
        return 0;
 err:
-       if (!bundle_to_stdout) {
-               if (0 <= bundle_fd)
-                       close(bundle_fd);
-               rollback_lock_file(&lock);
-       }
+       rollback_lock_file(&lock);
        return -1;
 }