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authorArtur Ryt <artur.ryt@gmail.com>2019-03-30 15:11:21 (GMT)
committerArtur Ryt <artur.ryt@gmail.com>2019-03-30 15:15:05 (GMT)
commit2d66567dca2a5a80e41493ec0a9d6d86f7d955f5 (patch)
tree84468e248f456f65c75a99033ba8073e48ea0f5b /Source/cmcmd.cxx
parent5bdee3786359b6560eb9ee1d6fab8664feb90db4 (diff)
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Modernize: Prefer .substr in place of .c_str() + int
A lot of temporary/local strings were created out of C-strings substr can utilize current string size, so in theory be a little more efficient.
Diffstat (limited to 'Source/cmcmd.cxx')
-rw-r--r--Source/cmcmd.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index 8d63971..9b635ea 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -620,7 +620,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args)
std::string const& a = *ai;
if (cmHasLiteralPrefix(a, "--unset=")) {
// Unset environment variable.
- cmSystemTools::UnPutEnv(a.c_str() + 8);
+ cmSystemTools::UnPutEnv(a.substr(8));
} else if (!a.empty() && a[0] == '-') {
// Environment variable and command names cannot start in '-',
// so this must be an unknown option.