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Kernel: Mark more StdLib functions as [[nodiscard]]

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In the never ending journey to catch bugs, mark more functions
as [[nodiscard]] to find incorrect call sites.
This commit is contained in:
Brian Gianforcaro 2021-02-14 15:16:24 -08:00 • committed by Andreas Kling
parent 373d135e74
commit d71e235894
1 changed files with 10 additions and 10 deletions
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20
Kernel/StdLib.h
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@ -34,8 +34,8 @@ namespace Syscall {
struct StringArgument;
}
String copy_string_from_user(const char*, size_t);
String copy_string_from_user(Userspace<const char*>, size_t);
[[nodiscard]] String copy_string_from_user(const char*, size_t);
[[nodiscard]] String copy_string_from_user(Userspace<const char*>, size_t);
[[nodiscard]] Optional<u32> user_atomic_fetch_add_relaxed(volatile u32* var, u32 val);
[[nodiscard]] Optional<u32> user_atomic_exchange_relaxed(volatile u32* var, u32 val);
@ -54,18 +54,18 @@ extern "C" {
[[nodiscard]] bool memset_user(void*, int, size_t);
void* memcpy(void*, const void*, size_t);
int strncmp(const char* s1, const char* s2, size_t n);
char* strstr(const char* haystack, const char* needle);
int strcmp(char const*, const char*);
size_t strlen(const char*);
size_t strnlen(const char*, size_t);
[[nodiscard]] int strncmp(const char* s1, const char* s2, size_t n);
[[nodiscard]] char* strstr(const char* haystack, const char* needle);
[[nodiscard]] int strcmp(char const*, const char*);
[[nodiscard]] size_t strlen(const char*);
[[nodiscard]] size_t strnlen(const char*, size_t);
void* memset(void*, int, size_t);
int memcmp(const void*, const void*, size_t);
[[nodiscard]] int memcmp(const void*, const void*, size_t);
void* memmove(void* dest, const void* src, size_t n);
const void* memmem(const void* haystack, size_t, const void* needle, size_t);
inline u16 ntohs(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
inline u16 htons(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
[[nodiscard]] inline u16 ntohs(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
[[nodiscard]] inline u16 htons(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
}
template<typename T>