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author | Jonathan Wakely <jwakely@redhat.com> | 2021-05-05 11:19:55 +0100 |
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committer | Jonathan Wakely <jwakely@redhat.com> | 2021-05-05 12:50:45 +0100 |
commit | d0d6ca019717305df0ef41e3fe1da48f7f561fac (patch) | |
tree | 1f4a7a7a8d4d4abe76a31af46dcc5c103c910c58 | |
parent | 0bd8a9ef70e5461b68f1ec34a4fbee3eb7021510 (diff) | |
download | gcc-d0d6ca019717305df0ef41e3fe1da48f7f561fac.zip gcc-d0d6ca019717305df0ef41e3fe1da48f7f561fac.tar.gz gcc-d0d6ca019717305df0ef41e3fe1da48f7f561fac.tar.bz2 |
libstdc++: Use unsigned char argument to std::isdigit
Passing plain char to isdigit is undefined if the value is negative.
libstdc++-v3/ChangeLog:
* include/std/charconv (__from_chars_alnum): Pass unsigned
char to std::isdigit.
-rw-r--r-- | libstdc++-v3/include/std/charconv | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/include/std/charconv b/libstdc++-v3/include/std/charconv index 193702e..571be07 100644 --- a/libstdc++-v3/include/std/charconv +++ b/libstdc++-v3/include/std/charconv @@ -565,7 +565,7 @@ namespace __detail while (__first != __last) { unsigned char __c = *__first; - if (std::isdigit(__c)) + if (std::isdigit(static_cast<unsigned char>(__c))) __c -= '0'; else { |