diff options
| author | Stephan Bergmann <sbergman@redhat.com> | 2020-01-09 19:43:23 +0100 |
|---|---|---|
| committer | Michael Stahl <michael.stahl@allotropia.de> | 2022-03-03 13:38:05 +0100 |
| commit | a4f877d1d42dd8bb2c9fe50d1fbdbbbe15a160b8 (patch) | |
| tree | 7bfa35efd89c95b9ebfb96d9be100f0bfeb62a72 /include | |
| parent | 38b0f36eef3a48a2b1ecbca91cb8fc396e2e4ad3 (diff) | |
Introduce o3tl::make_unsigned to cast from signed to unsigned type
...without having to spell out a specific type to cast to (and also making it
more obvious what the intend of such a cast is)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86502
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
(cherry picked from commit 6417668b3e12d9659ac5dc4a2f60aa8ad3bca675)
Change-Id: Id9c68b856a4ee52e5a40d15dc9d83e95d1c231cd
Diffstat (limited to 'include')
| -rw-r--r-- | include/o3tl/safeint.hxx | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/o3tl/safeint.hxx b/include/o3tl/safeint.hxx index fa08b6dfc899..b65b93e0a541 100644 --- a/include/o3tl/safeint.hxx +++ b/include/o3tl/safeint.hxx @@ -12,6 +12,7 @@ #include <sal/config.h> +#include <cassert> #include <limits> #include <type_traits> @@ -226,6 +227,13 @@ template<typename T> inline typename std::enable_if<std::is_unsigned<T>::value, #endif +template<typename T> constexpr std::enable_if_t<std::is_signed_v<T>, std::make_unsigned_t<T>> +make_unsigned(T value) +{ + assert(value >= 0); + return value; +} + } #endif |