Assert that ParseInt/ParseUint are only used with signed/unsigned numbers respectively
Test: build fails when the signedness is mismatched
Test: build succeeds otherwise
Change-Id: Idd6b146cc167d4607eafc81dbad6c2a79b167094
diff --git a/base/include/android-base/parseint.h b/base/include/android-base/parseint.h
index 9444fdd..be8b97b 100644
--- a/base/include/android-base/parseint.h
+++ b/base/include/android-base/parseint.h
@@ -22,6 +22,7 @@
#include <limits>
#include <string>
+#include <type_traits>
namespace android {
namespace base {
@@ -33,6 +34,7 @@
template <typename T>
bool ParseUint(const char* s, T* out, T max = std::numeric_limits<T>::max(),
bool allow_suffixes = false) {
+ static_assert(std::is_unsigned<T>::value, "ParseUint can only be used with unsigned types");
while (isspace(*s)) {
s++;
}
@@ -96,6 +98,7 @@
bool ParseInt(const char* s, T* out,
T min = std::numeric_limits<T>::min(),
T max = std::numeric_limits<T>::max()) {
+ static_assert(std::is_signed<T>::value, "ParseInt can only be used with signed types");
while (isspace(*s)) {
s++;
}