diff options
| -rw-r--r-- | doc/release-notes.md | 8 | ||||
| -rw-r--r-- | src/test/getarg_tests.cpp | 22 | ||||
| -rw-r--r-- | src/util.cpp | 47 |
3 files changed, 38 insertions, 39 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md index 7480a7cd21..db6c28972d 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -27,6 +27,14 @@ Low-level RPC API changes advantage if a JSON library insists on using a lossy floating point type for numbers, which would be dangerous for monetary amounts. +Option parsing behavior +----------------------- + +Command line options are now parsed strictly in the order in which they are +specified. It used to be the case that `-X -noX` ends up, unintuitively, with X +set, as `-X` had precedence over `-noX`. This is no longer the case. Like for +other software, the last specified value for an option will hold. + 0.12.0 Change log ================= diff --git a/src/test/getarg_tests.cpp b/src/test/getarg_tests.cpp index a0c5592a95..eb61a2884d 100644 --- a/src/test/getarg_tests.cpp +++ b/src/test/getarg_tests.cpp @@ -60,18 +60,18 @@ BOOST_AUTO_TEST_CASE(boolarg) BOOST_CHECK(!GetBoolArg("-foo", false)); BOOST_CHECK(!GetBoolArg("-foo", true)); - ResetArgs("-foo -nofoo"); // -foo should win - BOOST_CHECK(GetBoolArg("-foo", false)); - BOOST_CHECK(GetBoolArg("-foo", true)); - - ResetArgs("-foo=1 -nofoo=1"); // -foo should win - BOOST_CHECK(GetBoolArg("-foo", false)); - BOOST_CHECK(GetBoolArg("-foo", true)); + ResetArgs("-foo -nofoo"); // -nofoo should win + BOOST_CHECK(!GetBoolArg("-foo", false)); + BOOST_CHECK(!GetBoolArg("-foo", true)); - ResetArgs("-foo=0 -nofoo=0"); // -foo should win + ResetArgs("-foo=1 -nofoo=1"); // -nofoo should win BOOST_CHECK(!GetBoolArg("-foo", false)); BOOST_CHECK(!GetBoolArg("-foo", true)); + ResetArgs("-foo=0 -nofoo=0"); // -nofoo=0 should win + BOOST_CHECK(GetBoolArg("-foo", false)); + BOOST_CHECK(GetBoolArg("-foo", true)); + // New 0.6 feature: treat -- same as -: ResetArgs("--foo=1"); BOOST_CHECK(GetBoolArg("-foo", false)); @@ -150,9 +150,9 @@ BOOST_AUTO_TEST_CASE(boolargno) BOOST_CHECK(GetBoolArg("-foo", true)); BOOST_CHECK(GetBoolArg("-foo", false)); - ResetArgs("-foo --nofoo"); - BOOST_CHECK(GetBoolArg("-foo", true)); - BOOST_CHECK(GetBoolArg("-foo", false)); + ResetArgs("-foo --nofoo"); // --nofoo should win + BOOST_CHECK(!GetBoolArg("-foo", true)); + BOOST_CHECK(!GetBoolArg("-foo", false)); ResetArgs("-nofoo -foo"); // foo always wins: BOOST_CHECK(GetBoolArg("-foo", true)); diff --git a/src/util.cpp b/src/util.cpp index 37d52037c0..a7ec740de8 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -315,18 +315,21 @@ int LogPrintStr(const std::string &str) return ret; } -static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet) +/** Interpret string as boolean, for argument parsing */ +static bool InterpretBool(const std::string& strValue) { - // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set - if (name.find("-no") == 0) + if (strValue.empty()) + return true; + return (atoi(strValue) != 0); +} + +/** Turn -noX into -X=0 */ +static void InterpretNegativeSetting(std::string& strKey, std::string& strValue) +{ + if (strKey.length()>3 && strKey[0]=='-' && strKey[1]=='n' && strKey[2]=='o') { - std::string positive("-"); - positive.append(name.begin()+3, name.end()); - if (mapSettingsRet.count(positive) == 0) - { - bool value = !GetBoolArg(name, false); - mapSettingsRet[positive] = (value ? "1" : "0"); - } + strKey = "-" + strKey.substr(3); + strValue = InterpretBool(strValue) ? "0" : "1"; } } @@ -358,17 +361,11 @@ void ParseParameters(int argc, const char* const argv[]) // If both --foo and -foo are set, the last takes effect. if (str.length() > 1 && str[1] == '-') str = str.substr(1); + InterpretNegativeSetting(str, strValue); mapArgs[str] = strValue; mapMultiArgs[str].push_back(strValue); } - - // New 0.6 features: - BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs) - { - // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set - InterpretNegativeSetting(entry.first, mapArgs); - } } std::string GetArg(const std::string& strArg, const std::string& strDefault) @@ -388,11 +385,7 @@ int64_t GetArg(const std::string& strArg, int64_t nDefault) bool GetBoolArg(const std::string& strArg, bool fDefault) { if (mapArgs.count(strArg)) - { - if (mapArgs[strArg].empty()) - return true; - return (atoi(mapArgs[strArg]) != 0); - } + return InterpretBool(mapArgs[strArg]); return fDefault; } @@ -543,13 +536,11 @@ void ReadConfigFile(map<string, string>& mapSettingsRet, { // Don't overwrite existing settings so command line settings override bitcoin.conf string strKey = string("-") + it->string_key; + string strValue = it->value[0]; + InterpretNegativeSetting(strKey, strValue); if (mapSettingsRet.count(strKey) == 0) - { - mapSettingsRet[strKey] = it->value[0]; - // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set) - InterpretNegativeSetting(strKey, mapSettingsRet); - } - mapMultiSettingsRet[strKey].push_back(it->value[0]); + mapSettingsRet[strKey] = strValue; + mapMultiSettingsRet[strKey].push_back(strValue); } // If datadir is changed in .conf file: ClearDatadirCache(); |