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| author | Boris Kolpackov <boris@codesynthesis.com> | 2021-07-06 16:07:15 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2021-07-06 16:07:15 +0200 |
| commit | ac12de7e0343efdac0d0aa42e982b1b84dbd6124 (patch) | |
| tree | f0467ae85b8fa4d2f9e24bdbfe58e6052768e761 | |
| parent | c770f928c88950d9044167e2e2897a9ab18547cf (diff) | |
Clear errno before calling strto*() functions
| -rw-r--r-- | libbuild2/utility.cxx | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libbuild2/utility.cxx b/libbuild2/utility.cxx index 193610f..f7f3d41 100644 --- a/libbuild2/utility.cxx +++ b/libbuild2/utility.cxx @@ -603,6 +603,7 @@ namespace build2 { const char* b (s.c_str ()); char* e (nullptr); + errno = 0; // We must clear it according to POSIX. uint64_t v (strtoull (b, &e, 10)); // Can't throw. if (errno != ERANGE && e == b + s.size () && v <= max_num) |