|
 |
85793c |
From 5d79a5c944d05f71425d3156597a2a61c5f2ab9a Mon Sep 17 00:00:00 2001
|
|
|
85793c |
From: Ming-Hung Tsai <mtsai@redhat.com>
|
|
|
85793c |
Date: Wed, 2 Jun 2021 13:08:47 +0800
|
|
|
85793c |
Subject: [PATCH 08/10] [thin_dump] Fix warnings on potential NULL pointer
|
|
|
85793c |
|
|
|
85793c |
---
|
|
|
85793c |
base/application.cc | 8 +++++++-
|
|
|
85793c |
base/application.h | 2 +-
|
|
|
85793c |
thin-provisioning/thin_dump.cc | 16 ++--------------
|
|
|
85793c |
3 files changed, 10 insertions(+), 16 deletions(-)
|
|
|
85793c |
|
|
|
85793c |
diff --git a/base/application.cc b/base/application.cc
|
|
|
85793c |
index 61338ff..dbd55a5 100644
|
|
|
85793c |
--- a/base/application.cc
|
|
|
85793c |
+++ b/base/application.cc
|
|
|
85793c |
@@ -25,8 +25,14 @@ command::die(string const &msg)
|
|
|
85793c |
}
|
|
|
85793c |
|
|
|
85793c |
::uint64_t
|
|
|
85793c |
-command::parse_uint64(string const &str, string const &desc)
|
|
|
85793c |
+command::parse_uint64(char const *str, char const *desc)
|
|
|
85793c |
{
|
|
|
85793c |
+ if (!str) {
|
|
|
85793c |
+ ostringstream out;
|
|
|
85793c |
+ out << "Couldn't parse " << desc << ": NULL";
|
|
|
85793c |
+ die(out.str());
|
|
|
85793c |
+ }
|
|
|
85793c |
+
|
|
|
85793c |
try {
|
|
|
85793c |
// FIXME: check trailing garbage is handled
|
|
|
85793c |
return lexical_cast<::uint64_t>(str);
|
|
|
85793c |
diff --git a/base/application.h b/base/application.h
|
|
|
85793c |
index b799eaf..f071533 100644
|
|
|
85793c |
--- a/base/application.h
|
|
|
85793c |
+++ b/base/application.h
|
|
|
85793c |
@@ -19,7 +19,7 @@ namespace base {
|
|
|
85793c |
virtual ~command() {}
|
|
|
85793c |
|
|
|
85793c |
void die(std::string const &msg;;
|
|
|
85793c |
- uint64_t parse_uint64(std::string const &str, std::string const &desc);
|
|
|
85793c |
+ uint64_t parse_uint64(char const *str, char const *desc);
|
|
|
85793c |
|
|
|
85793c |
|
|
|
85793c |
virtual void usage(std::ostream &out) const = 0;
|
|
|
85793c |
diff --git a/thin-provisioning/thin_dump.cc b/thin-provisioning/thin_dump.cc
|
|
|
85793c |
index 74cfa91..c0e73e6 100644
|
|
|
85793c |
--- a/thin-provisioning/thin_dump.cc
|
|
|
85793c |
+++ b/thin-provisioning/thin_dump.cc
|
|
|
85793c |
@@ -143,7 +143,6 @@ thin_dump_cmd::run(int argc, char **argv)
|
|
|
85793c |
int c;
|
|
|
85793c |
char const *output = NULL;
|
|
|
85793c |
const char shortopts[] = "hm::o:f:rV";
|
|
|
85793c |
- char *end_ptr;
|
|
|
85793c |
block_address metadata_snap = 0;
|
|
|
85793c |
::uint64_t dev_id;
|
|
|
85793c |
struct flags flags;
|
|
|
85793c |
@@ -181,13 +180,7 @@ thin_dump_cmd::run(int argc, char **argv)
|
|
|
85793c |
flags.use_metadata_snap = true;
|
|
|
85793c |
if (optarg) {
|
|
|
85793c |
// FIXME: deprecate this option
|
|
|
85793c |
- metadata_snap = strtoull(optarg, &end_ptr, 10);
|
|
|
85793c |
- if (end_ptr == optarg) {
|
|
|
85793c |
- cerr << "couldn't parse <metadata-snap>" << endl;
|
|
|
85793c |
- usage(cerr);
|
|
|
85793c |
- return 1;
|
|
|
85793c |
- }
|
|
|
85793c |
-
|
|
|
85793c |
+ metadata_snap = parse_uint64(optarg, "metadata-snap");
|
|
|
85793c |
flags.snap_location = metadata_snap;
|
|
|
85793c |
}
|
|
|
85793c |
break;
|
|
|
85793c |
@@ -197,12 +190,7 @@ thin_dump_cmd::run(int argc, char **argv)
|
|
|
85793c |
break;
|
|
|
85793c |
|
|
|
85793c |
case 1:
|
|
|
85793c |
- dev_id = strtoull(optarg, &end_ptr, 10);
|
|
|
85793c |
- if (end_ptr == optarg) {
|
|
|
85793c |
- cerr << "couldn't parse <dev-id>\n";
|
|
|
85793c |
- usage(cerr);
|
|
|
85793c |
- return 1;
|
|
|
85793c |
- }
|
|
|
85793c |
+ dev_id = parse_uint64(optarg, "dev-id");
|
|
|
85793c |
flags.opts.select_dev(dev_id);
|
|
|
85793c |
break;
|
|
|
85793c |
|
|
|
85793c |
--
|
|
|
85793c |
1.8.3.1
|
|
|
85793c |
|