From: Nguyễn Thái Ngọc Duy Date: Tue, 13 Dec 2011 14:17:48 +0000 (+0700) Subject: Convert resolve_ref+xstrdup to new resolve_refdup function X-Git-Tag: v1.7.9-rc0~47^2~1 X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=96ec7b1e708863d0cd6b8e72a986d6f0a1bb64db;p=git.git Convert resolve_ref+xstrdup to new resolve_refdup function Signed-off-by: Nguyễn Thái Ngọc Duy Signed-off-by: Junio C Hamano --- diff --git a/builtin/branch.c b/builtin/branch.c index e1e486e4c..c459f0bab 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -104,6 +104,7 @@ static int branch_merged(int kind, const char *name, */ struct commit *reference_rev = NULL; const char *reference_name = NULL; + void *reference_name_to_free = NULL; int merged; if (kind == REF_LOCAL_BRANCH) { @@ -114,11 +115,9 @@ static int branch_merged(int kind, const char *name, branch->merge && branch->merge[0] && branch->merge[0]->dst && - (reference_name = - resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) { - reference_name = xstrdup(reference_name); + (reference_name = reference_name_to_free = + resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) reference_rev = lookup_commit_reference(sha1); - } } if (!reference_rev) reference_rev = head_rev; @@ -143,7 +142,7 @@ static int branch_merged(int kind, const char *name, " '%s', even though it is merged to HEAD."), name, reference_name); } - free((char *)reference_name); + free(reference_name_to_free); return merged; } @@ -731,10 +730,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix) track = git_branch_track; - head = resolve_ref("HEAD", head_sha1, 0, NULL); + head = resolve_refdup("HEAD", head_sha1, 0, NULL); if (!head) die(_("Failed to resolve HEAD as a valid ref.")); - head = xstrdup(head); if (!strcmp(head, "HEAD")) { detached = 1; } else { diff --git a/builtin/checkout.c b/builtin/checkout.c index b7c630287..00740bd67 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -696,17 +696,14 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new) { int ret = 0; struct branch_info old; + void *path_to_free; unsigned char rev[20]; int flag; memset(&old, 0, sizeof(old)); - old.path = resolve_ref("HEAD", rev, 0, &flag); - if (old.path) - old.path = xstrdup(old.path); + old.path = path_to_free = resolve_refdup("HEAD", rev, 0, &flag); old.commit = lookup_commit_reference_gently(rev, 1); - if (!(flag & REF_ISSYMREF)) { - free((char *)old.path); + if (!(flag & REF_ISSYMREF)) old.path = NULL; - } if (old.path && !prefixcmp(old.path, "refs/heads/")) old.name = old.path + strlen("refs/heads/"); @@ -720,8 +717,10 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new) } ret = merge_working_tree(opts, &old, new); - if (ret) + if (ret) { + free(path_to_free); return ret; + } if (!opts->quiet && !old.path && old.commit && new->commit != old.commit) orphaned_commit_warning(old.commit); @@ -729,7 +728,7 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new) update_refs_for_switch(opts, &old, new); ret = post_checkout_hook(old.commit, new->commit, 1); - free((char *)old.path); + free(path_to_free); return ret || opts->writeout_error; } diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index bdfa0ea05..c81a7fef2 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -372,14 +372,15 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, int i = 0, pos = 0; unsigned char head_sha1[20]; const char *current_branch; + void *current_branch_to_free; /* get current branch */ - current_branch = resolve_ref("HEAD", head_sha1, 1, NULL); + current_branch = current_branch_to_free = + resolve_refdup("HEAD", head_sha1, 1, NULL); if (!current_branch) die("No current branch"); if (!prefixcmp(current_branch, "refs/heads/")) current_branch += 11; - current_branch = xstrdup(current_branch); /* get a line */ while (pos < in->len) { @@ -421,7 +422,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, } strbuf_complete_line(out); - free((char *)current_branch); + free(current_branch_to_free); return 0; } diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c index d90e5d2b2..b01d76a24 100644 --- a/builtin/for-each-ref.c +++ b/builtin/for-each-ref.c @@ -628,11 +628,8 @@ static void populate_value(struct refinfo *ref) if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { unsigned char unused1[20]; - const char *symref; - symref = resolve_ref(ref->refname, unused1, 1, NULL); - if (symref) - ref->symref = xstrdup(symref); - else + ref->symref = resolve_refdup(ref->refname, unused1, 1, NULL); + if (!ref->symref) ref->symref = ""; } diff --git a/builtin/merge.c b/builtin/merge.c index a1c85344b..a3cd5e856 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -1096,6 +1096,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct commit_list *common = NULL; const char *best_strategy = NULL, *wt_strategy = NULL; struct commit_list **remotes = &remoteheads; + void *branch_to_free; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_merge_usage, builtin_merge_options); @@ -1104,12 +1105,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * Check if we are _not_ on a detached HEAD, i.e. if there is a * current branch. */ - branch = resolve_ref("HEAD", head_sha1, 0, &flag); - if (branch) { - if (!prefixcmp(branch, "refs/heads/")) - branch += 11; - branch = xstrdup(branch); - } + branch = branch_to_free = resolve_refdup("HEAD", head_sha1, 0, &flag); + if (branch && !prefixcmp(branch, "refs/heads/")) + branch += 11; if (!branch || is_null_sha1(head_sha1)) head_commit = NULL; else @@ -1520,6 +1518,6 @@ int cmd_merge(int argc, const char **argv, const char *prefix) ret = suggest_conflicts(option_renormalize); done: - free((char *)branch); + free(branch_to_free); return ret; } diff --git a/builtin/notes.c b/builtin/notes.c index 10b8bc7ad..667e20a1e 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -804,6 +804,7 @@ static int merge_commit(struct notes_merge_options *o) struct notes_tree *t; struct commit *partial; struct pretty_print_context pretty_ctx; + void *local_ref_to_free; int ret; /* @@ -826,10 +827,10 @@ static int merge_commit(struct notes_merge_options *o) t = xcalloc(1, sizeof(struct notes_tree)); init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0); - o->local_ref = resolve_ref("NOTES_MERGE_REF", sha1, 0, NULL); + o->local_ref = local_ref_to_free = + resolve_refdup("NOTES_MERGE_REF", sha1, 0, NULL); if (!o->local_ref) die("Failed to resolve NOTES_MERGE_REF"); - o->local_ref = xstrdup(o->local_ref); if (notes_merge_commit(o, t, partial, sha1)) die("Failed to finalize notes merge"); @@ -846,7 +847,7 @@ static int merge_commit(struct notes_merge_options *o) free_notes(t); strbuf_release(&msg); ret = merge_abort(o); - free((char *)o->local_ref); + free(local_ref_to_free); return ret; } diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index b6d957cb0..62afac3ec 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -37,6 +37,7 @@ static int prefer_ofs_delta = 1; static int auto_update_server_info; static int auto_gc = 1; static const char *head_name; +static void *head_name_to_free; static int sent_capabilities; static enum deny_action parse_deny_action(const char *var, const char *value) @@ -695,10 +696,8 @@ static void execute_commands(struct command *commands, const char *unpacker_erro check_aliased_updates(commands); - free((char *)head_name); - head_name = resolve_ref("HEAD", sha1, 0, NULL); - if (head_name) - head_name = xstrdup(head_name); + free(head_name_to_free); + head_name = head_name_to_free = resolve_refdup("HEAD", sha1, 0, NULL); for (cmd = commands; cmd; cmd = cmd->next) if (!cmd->skip_update) diff --git a/builtin/show-branch.c b/builtin/show-branch.c index 4b480d7c7..a1f148e48 100644 --- a/builtin/show-branch.c +++ b/builtin/show-branch.c @@ -726,10 +726,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) if (ac == 0) { static const char *fake_av[2]; - const char *refname; - refname = resolve_ref("HEAD", sha1, 1, NULL); - fake_av[0] = xstrdup(refname); + fake_av[0] = resolve_refdup("HEAD", sha1, 1, NULL); fake_av[1] = NULL; av = fake_av; ac = 1; diff --git a/cache.h b/cache.h index 8c98d0566..4887a3e33 100644 --- a/cache.h +++ b/cache.h @@ -866,6 +866,7 @@ extern int read_ref(const char *filename, unsigned char *sha1); * errno is sometimes set on errors, but not always. */ extern const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag); +extern char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag); extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); diff --git a/reflog-walk.c b/reflog-walk.c index da71a8585..64c677fc4 100644 --- a/reflog-walk.c +++ b/reflog-walk.c @@ -50,11 +50,12 @@ static struct complete_reflogs *read_complete_reflog(const char *ref) for_each_reflog_ent(ref, read_one_reflog, reflogs); if (reflogs->nr == 0) { unsigned char sha1[20]; - const char *name = resolve_ref(ref, sha1, 1, NULL); + const char *name; + void *name_to_free; + name = name_to_free = resolve_refdup(ref, sha1, 1, NULL); if (name) { - name = xstrdup(name); for_each_reflog_ent(name, read_one_reflog, reflogs); - free((char *)name); + free(name_to_free); } } if (reflogs->nr == 0) { @@ -171,11 +172,11 @@ int add_reflog_for_walk(struct reflog_walk_info *info, else { if (*branch == '\0') { unsigned char sha1[20]; - const char *head = resolve_ref("HEAD", sha1, 0, NULL); - if (!head) - die ("No current branch"); free(branch); - branch = xstrdup(head); + branch = resolve_refdup("HEAD", sha1, 0, NULL); + if (!branch) + die ("No current branch"); + } reflogs = read_complete_reflog(branch); if (!reflogs || reflogs->nr == 0) { diff --git a/refs.c b/refs.c index f5cb29729..8ffb32fe5 100644 --- a/refs.c +++ b/refs.c @@ -605,6 +605,12 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int * return ref; } +char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag) +{ + const char *ret = resolve_ref(ref, sha1, reading, flag); + return ret ? xstrdup(ret) : NULL; +} + /* The argument to filter_refs */ struct ref_filter { const char *pattern; diff --git a/wt-status.c b/wt-status.c index 70fdb76ff..9ffc535f1 100644 --- a/wt-status.c +++ b/wt-status.c @@ -111,7 +111,6 @@ void status_printf_more(struct wt_status *s, const char *color, void wt_status_prepare(struct wt_status *s) { unsigned char sha1[20]; - const char *head; memset(s, 0, sizeof(*s)); memcpy(s->color_palette, default_wt_status_colors, @@ -119,8 +118,7 @@ void wt_status_prepare(struct wt_status *s) s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; s->use_color = -1; s->relative_paths = 1; - head = resolve_ref("HEAD", sha1, 0, NULL); - s->branch = head ? xstrdup(head) : NULL; + s->branch = resolve_refdup("HEAD", sha1, 0, NULL); s->reference = "HEAD"; s->fp = stdout; s->index_file = get_index_file();