diff options
Diffstat (limited to 'Source/cmListCommand.cxx')
-rw-r--r-- | Source/cmListCommand.cxx | 68 |
1 files changed, 61 insertions, 7 deletions
diff --git a/Source/cmListCommand.cxx b/Source/cmListCommand.cxx index fdddb45..09cd88e 100644 --- a/Source/cmListCommand.cxx +++ b/Source/cmListCommand.cxx @@ -4,9 +4,7 @@ #include <algorithm> #include <cassert> -#include <cstddef> #include <cstdio> -#include <cstdlib> // required for atoi #include <functional> #include <iterator> #include <set> @@ -36,6 +34,42 @@ namespace { +bool GetIndexArg(const std::string& arg, int* idx, cmMakefile& mf) +{ + long value; + if (!cmStrToLong(arg, &value)) { + switch (mf.GetPolicyStatus(cmPolicies::CMP0121)) { + case cmPolicies::WARN: { + // Default is to warn and use old behavior OLD behavior is to allow + // compatibility, so issue a warning and use the previous behavior. + std::string warn = + cmStrCat(cmPolicies::GetPolicyWarning(cmPolicies::CMP0121), + " Invalid list index \"", arg, "\"."); + mf.IssueMessage(MessageType::AUTHOR_WARNING, warn); + break; + } + case cmPolicies::OLD: + // OLD behavior is to allow compatibility, so just ignore the + // situation. + break; + case cmPolicies::NEW: + return false; + case cmPolicies::REQUIRED_IF_USED: + case cmPolicies::REQUIRED_ALWAYS: + std::string msg = + cmStrCat(cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0121), + " Invalid list index \"", arg, "\"."); + mf.IssueMessage(MessageType::FATAL_ERROR, msg); + break; + } + } + + // Truncation is happening here, but it had always been happening here. + *idx = static_cast<int>(value); + + return true; +} + bool FilterRegex(std::vector<std::string> const& args, bool includeMatches, std::string const& listName, std::vector<std::string>& varArgsExpanded, @@ -154,7 +188,11 @@ bool HandleGetCommand(std::vector<std::string> const& args, const char* sep = ""; size_t nitem = varArgsExpanded.size(); for (cc = 2; cc < args.size() - 1; cc++) { - int item = atoi(args[cc].c_str()); + int item; + if (!GetIndexArg(args[cc], &item, status.GetMakefile())) { + status.SetError(cmStrCat("index: ", args[cc], " is not a valid index")); + return false; + } value += sep; sep = ";"; if (item < 0) { @@ -362,7 +400,11 @@ bool HandleInsertCommand(std::vector<std::string> const& args, const std::string& listName = args[1]; // expand the variable - int item = atoi(args[2].c_str()); + int item; + if (!GetIndexArg(args[2], &item, status.GetMakefile())) { + status.SetError(cmStrCat("index: ", args[2], " is not a valid index")); + return false; + } std::vector<std::string> varArgsExpanded; if ((!GetList(varArgsExpanded, listName, status.GetMakefile()) || varArgsExpanded.empty()) && @@ -1282,8 +1324,16 @@ bool HandleSublistCommand(std::vector<std::string> const& args, return true; } - const int start = atoi(args[2].c_str()); - const int length = atoi(args[3].c_str()); + int start; + int length; + if (!GetIndexArg(args[2], &start, status.GetMakefile())) { + status.SetError(cmStrCat("index: ", args[2], " is not a valid index")); + return false; + } + if (!GetIndexArg(args[3], &length, status.GetMakefile())) { + status.SetError(cmStrCat("index: ", args[3], " is not a valid index")); + return false; + } using size_type = decltype(varArgsExpanded)::size_type; @@ -1338,7 +1388,11 @@ bool HandleRemoveAtCommand(std::vector<std::string> const& args, std::vector<size_t> removed; size_t nitem = varArgsExpanded.size(); for (cc = 2; cc < args.size(); ++cc) { - int item = atoi(args[cc].c_str()); + int item; + if (!GetIndexArg(args[cc], &item, status.GetMakefile())) { + status.SetError(cmStrCat("index: ", args[cc], " is not a valid index")); + return false; + } if (item < 0) { item = static_cast<int>(nitem) + item; } |