diff --git a/builtin/reset.c b/builtin/reset.c index d72c7d1c96..f1af9345e4 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -367,8 +367,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix) die_if_unmerged_cache(reset_type); if (reset_type != SOFT) { - struct lock_file *lock = xcalloc(1, sizeof(*lock)); - hold_locked_index(lock, LOCK_DIE_ON_ERROR); + struct lock_file lock = LOCK_INIT; + hold_locked_index(&lock, LOCK_DIE_ON_ERROR); if (reset_type == MIXED) { int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN; if (read_from_tree(&pathspec, &oid, intent_to_add)) @@ -384,7 +384,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) die(_("Could not reset index file to revision '%s'."), rev); } - if (write_locked_index(&the_index, lock, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock, COMMIT_LOCK)) die(_("Could not write new index file.")); } diff --git a/builtin/update-index.c b/builtin/update-index.c index d562f2ec69..655e6d60d3 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -915,7 +915,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) struct refresh_params refresh_args = {0, &has_errors}; int lock_error = 0; int split_index = -1; - struct lock_file *lock_file; + struct lock_file lock_file = LOCK_INIT; struct parse_opt_ctx_t ctx; strbuf_getline_fn getline_fn; int parseopt_state = PARSE_OPT_UNKNOWN; @@ -1014,11 +1014,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) git_config(git_default_config, NULL); - /* We can't free this memory, it becomes part of a linked list parsed atexit() */ - lock_file = xcalloc(1, sizeof(struct lock_file)); - /* we will diagnose later if it turns out that we need to update it */ - newfd = hold_locked_index(lock_file, 0); + newfd = hold_locked_index(&lock_file, 0); if (newfd < 0) lock_error = errno; @@ -1153,11 +1150,11 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) exit(128); unable_to_lock_die(get_index_file(), lock_error); } - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die("Unable to write new index file"); } - rollback_lock_file(lock_file); + rollback_lock_file(&lock_file); return has_errors ? 1 : 0; } diff --git a/cache-tree.c b/cache-tree.c index 2690113a6a..71d092ed51 100644 --- a/cache-tree.c +++ b/cache-tree.c @@ -603,16 +603,10 @@ static struct cache_tree *cache_tree_find(struct cache_tree *it, const char *pat int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, const char *index_path, int flags, const char *prefix) { int entries, was_valid, newfd; - struct lock_file *lock_file; + struct lock_file lock_file = LOCK_INIT; int ret = 0; - /* - * We can't free this memory, it becomes part of a linked list - * parsed atexit() - */ - lock_file = xcalloc(1, sizeof(struct lock_file)); - - newfd = hold_lock_file_for_update(lock_file, index_path, LOCK_DIE_ON_ERROR); + newfd = hold_lock_file_for_update(&lock_file, index_path, LOCK_DIE_ON_ERROR); entries = read_index_from(index_state, index_path); if (entries < 0) { @@ -632,7 +626,7 @@ int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, co goto out; } if (0 <= newfd) { - if (!write_locked_index(index_state, lock_file, COMMIT_LOCK)) + if (!write_locked_index(index_state, &lock_file, COMMIT_LOCK)) newfd = -1; } /* Not being able to write is fine -- we are only interested @@ -657,7 +651,7 @@ int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, co out: if (0 <= newfd) - rollback_lock_file(lock_file); + rollback_lock_file(&lock_file); return ret; } diff --git a/config.c b/config.c index d0d8ce823a..7931182a54 100644 --- a/config.c +++ b/config.c @@ -2450,7 +2450,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, { int fd = -1, in_fd = -1; int ret; - struct lock_file *lock = NULL; + struct lock_file lock = LOCK_INIT; char *filename_buf = NULL; char *contents = NULL; size_t contents_sz; @@ -2469,8 +2469,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, * The lock serves a purpose in addition to locking: the new * contents of .git/config will be written into it. */ - lock = xcalloc(1, sizeof(struct lock_file)); - fd = hold_lock_file_for_update(lock, config_filename, 0); + fd = hold_lock_file_for_update(&lock, config_filename, 0); if (fd < 0) { error_errno("could not lock config file %s", config_filename); free(store.key); @@ -2583,8 +2582,8 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, close(in_fd); in_fd = -1; - if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { - error_errno("chmod on %s failed", get_lock_file_path(lock)); + if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { + error_errno("chmod on %s failed", get_lock_file_path(&lock)); ret = CONFIG_NO_WRITE; goto out_free; } @@ -2639,28 +2638,19 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, contents = NULL; } - if (commit_lock_file(lock) < 0) { + if (commit_lock_file(&lock) < 0) { error_errno("could not write config file %s", config_filename); ret = CONFIG_NO_WRITE; - lock = NULL; goto out_free; } - /* - * lock is committed, so don't try to roll it back below. - * NOTE: Since lockfile.c keeps a linked list of all created - * lock_file structures, it isn't safe to free(lock). It's - * better to just leave it hanging around. - */ - lock = NULL; ret = 0; /* Invalidate the config cache */ git_config_clear(); out_free: - if (lock) - rollback_lock_file(lock); + rollback_lock_file(&lock); free(filename_buf); if (contents) munmap(contents, contents_sz); @@ -2669,7 +2659,7 @@ out_free: return ret; write_err_out: - ret = write_error(get_lock_file_path(lock)); + ret = write_error(get_lock_file_path(&lock)); goto out_free; }