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Kernel: Remove strcpy()

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These are not called in the kernel or by libstdc++ anyway.

Remove the tempting function, and prevent future overflows.
This commit is contained in:
Ben Wiederhake 2020-08-16 16:02:00 +02:00 committed by Andreas Kling
parent 9795c61464
commit d5b7c28a5e
Notes: sideshowbarker 2024-07-19 03:14:44 +09:00 
Author: https://github.com/BenWiederhake
Commit: https://github.com/SerenityOS/serenity/commit/d5b7c28a5ef
Pull-request: https://github.com/SerenityOS/serenity/pull/3275
Reviewed-by: https://github.com/awesomekling
2 changed files with 0 additions and 11 deletions
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9
Kernel/StdLib.cpp
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@ -97,15 +97,6 @@ const void* memmem(const void* haystack, size_t haystack_length, const void* nee
return AK::memmem(haystack, haystack_length, needle, needle_length);
}
char* strcpy(char* dest, const char* src)
{
auto* dest_ptr = dest;
auto* src_ptr = src;
while ((*dest_ptr++ = *src_ptr++) != '\0')
;
return dest;
}
void memset_user(void* dest_ptr, int c, size_t n)
{
ASSERT(Kernel::is_user_range(VirtualAddress(dest_ptr), n));

2
Kernel/StdLib.h
View file

@ -42,7 +42,6 @@ void copy_from_user(void*, const void*, size_t);
void memset_user(void*, int, size_t);
void* memcpy(void*, const void*, size_t);
char* strcpy(char*, const char*);
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*);
@ -69,7 +68,6 @@ inline void copy_to_user(T* dest, const T* src)
copy_to_user(dest, src, sizeof(T));
}
template<typename T>
inline void copy_from_user(T* dest, Userspace<const T*> src)
{