RossComputerGuy/stardustos

libraries/libc/src/string/strncpy.c

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/**
    * StardustOS libc - (C) 2019 Tristan Ross
    */
#include <string.h>

char* strncpy(char* dst, const char* src, size_t count) {
    char* ds = dst;
    char* ss = (char*)src;
    while (count > 0) {
        count--;
        if ((*ds++ = *ss++) == '\0') break;
    }
    while (count-- > 0) *ds++ = '\0';
    return dst;
}