d64ea0f83b ("git-compat-util: add xstrdup_or_null helper",
2015-01-12) added a handy wrapper that allows us to get a duplicate
of a string or NULL if the original is NULL, but a handful of
codepath predate its introduction or just weren't aware of it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
--- /dev/null
+@@
+expression E;
+expression V;
+@@
+- if (E)
+- V = xstrdup(E);
++ V = xstrdup_or_null(E);
orig_cwd = xgetcwd();
for (i = 0; i < ARRAY_SIZE(env_names); i++) {
orig_env[i] = getenv(env_names[i]);
- if (orig_env[i])
- orig_env[i] = xstrdup(orig_env[i]);
+ orig_env[i] = xstrdup_or_null(orig_env[i]);
}
}
cred.protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap");
cred.host = xstrdup(srvc->host);
- if (srvc->user)
- cred.username = xstrdup(srvc->user);
- if (srvc->pass)
- cred.password = xstrdup(srvc->pass);
+ cred.username = xstrdup_or_null(srvc->user);
+ cred.password = xstrdup_or_null(srvc->pass);
credential_fill(&cred);
} else {
struct mailmap_info *mi = xcalloc(1, sizeof(struct mailmap_info));
debug_mm("mailmap: adding (complex) entry for '%s'\n", old_email);
- if (new_name)
- mi->name = xstrdup(new_name);
- if (new_email)
- mi->email = xstrdup(new_email);
+ mi->name = xstrdup_or_null(new_name);
+ mi->email = xstrdup_or_null(new_email);
string_list_insert(&me->namemap, old_name)->util = mi;
}
hashcpy(update->new_sha1, new_sha1);
if (flags & REF_HAVE_OLD)
hashcpy(update->old_sha1, old_sha1);
- if (msg)
- update->msg = xstrdup(msg);
+ update->msg = xstrdup_or_null(msg);
return update;
}
hint->status = REF_STATUS_REMOTE_REJECT;
ret = -1;
}
- if (msg)
- hint->remote_status = xstrdup(msg);
+ hint->remote_status = xstrdup_or_null(msg);
/* start our next search from the next ref */
hint = hint->next;
}
static void duplicate_conf(struct conf_info *dst, struct conf_info *src)
{
*dst = *src;
- if (src->name)
- dst->name = xstrdup(src->name);
- if (src->key)
- dst->key = xstrdup(src->key);
- if (src->command)
- dst->command = xstrdup(src->command);
+ dst->name = xstrdup_or_null(src->name);
+ dst->key = xstrdup_or_null(src->key);
+ dst->command = xstrdup_or_null(src->command);
}
static struct trailer_item *get_conf_item(const char *name)