kstd: fix signatures of libc functions

2 files changed, 10 insertions, 10 deletions

diff --git a/libs/kstd/include/kstd/cstring b/libs/kstd/include/kstd/cstring
index a5c41fa..bd8b28d 100644
--- a/libs/kstd/include/kstd/cstring
+++ b/libs/kstd/include/kstd/cstring
@@ -8,12 +8,12 @@ namespace kstd::libc
 
   extern "C"
   {
-    auto memcpy(void * dest, void const * src, std::size_t size) -> void *;
-    auto memset(void * dest, int value, std::size_t size) -> void *;
-    auto memmove(void * dest, void const * src, std::size_t size) -> void *;
-    auto memcmp(void const * lhs, void const * rhs, std::size_t size) -> std::size_t;
+    auto memcpy(void * dest, void const * src, std::size_t size) noexcept -> void *;
+    auto memset(void * dest, int value, std::size_t size) noexcept -> void *;
+    auto memmove(void * dest, void const * src, std::size_t size) noexcept -> void *;
+    auto memcmp(void const * lhs, void const * rhs, std::size_t size) noexcept -> int;
 
-    auto strlen(char const * string) -> std::size_t;
+    auto strlen(char const * string) noexcept -> std::size_t;
   }
 
 }  // namespace kstd::libc
diff --git a/libs/kstd/src/libc/string.cpp b/libs/kstd/src/libc/string.cpp
index 63f012c..c9fada1 100644
--- a/libs/kstd/src/libc/string.cpp
+++ b/libs/kstd/src/libc/string.cpp
@@ -9,7 +9,7 @@
 namespace kstd::libc

 {

 

-  auto memcpy(void * dest, void const * src, std::size_t size) -> void *

+  auto memcpy(void * dest, void const * src, std::size_t size) noexcept -> void *

   {

     auto dest_span = std::span{static_cast<std::byte *>(dest), size};

     auto src_span = std::span{static_cast<std::byte const *>(src), size};

@@ -22,7 +22,7 @@ namespace kstd::libc
     return dest;

   }

 

-  auto memset(void * dest, int value, std::size_t size) -> void *

+  auto memset(void * dest, int value, std::size_t size) noexcept -> void *

   {

     auto const byte_value = static_cast<std::byte>(static_cast<unsigned char>(value));

     auto dest_span = std::span{static_cast<std::byte *>(dest), size};

@@ -35,7 +35,7 @@ namespace kstd::libc
     return dest;

   }

 

-  auto memcmp(void const * lhs, void const * rhs, std::size_t size) -> std::size_t

+  auto memcmp(void const * lhs, void const * rhs, std::size_t size) noexcept -> int

   {

     auto left_span = std::span{static_cast<std::byte const *>(lhs), size};

     auto right_span = std::span{static_cast<std::byte const *>(rhs), size};

@@ -49,7 +49,7 @@ namespace kstd::libc
     return std::bit_cast<char>(*mismatched.in1) - std::bit_cast<char>(*mismatched.in2);

   }

 

-  auto memmove(void * dest, void const * src, std::size_t size) -> void *

+  auto memmove(void * dest, void const * src, std::size_t size) noexcept -> void *

   {

     auto dest_span = std::span{static_cast<std::byte *>(dest), size};

     auto src_span = std::span{static_cast<std::byte const *>(src), size};

@@ -70,7 +70,7 @@ namespace kstd::libc
     return dest;

   }

 

-  auto strlen(char const * string) -> std::size_t

+  auto strlen(char const * string) noexcept -> std::size_t

   {

     return std::distance(string, std::ranges::find(string, nullptr, '\0'));

   }