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LibC: Implement stpcpy

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For better code clarity, also reformatted how strcpy increments
pointers.
This commit is contained in:
Dominika Liberda 2023-06-11 06:00:11 +02:00 • committed by Linus Groh
parent 8a43f5a64a
commit 75307803a2
2 changed files with 15 additions and 2 deletions
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16
Userland/Libraries/LibC/string.cpp
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@ -187,11 +187,23 @@ void* memmem(void const* haystack, size_t haystack_length, void const* needle, s
char* strcpy(char* dest, char const* src)
{
char* original_dest = dest;
while ((*dest++ = *src++) != '\0')
;
while ((*dest = *src) != '\0') {
dest++;
src++;
}
return original_dest;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html
char* stpcpy(char* dest, char const* src)
{
while ((*dest = *src) != '\0') {
dest++;
src++;
}
return dest;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/strncpy.html
char* strncpy(char* dest, char const* src, size_t n)
{