merge bitcoin#23538: Remove strtol in torcontrol

Author: kwvg

src/torcontrol.cpp

@@ -21,16 +21,13 @@
 #include <deque>
 #include <functional>
 #include <set>
-#include <stdlib.h>
 #include <vector>
 
-#include <boost/signals2/signal.hpp>
-
-#include <event2/bufferevent.h>
 #include <event2/buffer.h>
-#include <event2/util.h>
+#include <event2/bufferevent.h>
 #include <event2/event.h>
 #include <event2/thread.h>
+#include <event2/util.h>
 
 /** Default control port */
 const std::string DEFAULT_TOR_CONTROL = "127.0.0.1:9051";
@@ -273,9 +270,15 @@ std::map<std::string,std::string> ParseTorReplyMapping(const std::string &s)
                         if (j == 3 && value[i] > '3') {
                             j--;
                         }
-                        escaped_value.push_back(strtol(value.substr(i, j).c_str(), nullptr, 8));
+                        const auto end{i + j};
+                        uint8_t val{0};
+                        while (i < end) {
+                            val *= 8;
+                            val += value[i++] - '0';
+                        }
+                        escaped_value.push_back(char(val));
                         // Account for automatic incrementing at loop end
-                        i += j - 1;
+                        --i;
                     } else {
                         escaped_value.push_back(value[i]);
                     }

test/lint/lint-locale-dependence.sh

@@ -47,7 +47,6 @@ KNOWN_VIOLATIONS=(
     "src/test/dbwrapper_tests.cpp:.*snprintf"
     "src/test/fuzz/locale.cpp"
     "src/test/fuzz/string.cpp"
-    "src/torcontrol.cpp:.*strtol"
     "src/util/strencodings.cpp:.*strtoll"
     "src/util/system.cpp:.*fprintf"
 )