cleonos/clks/kernel/support/libc_compat.c

#include <clks/string.h>
#include <clks/types.h>

void *memcpy(void *dst, const void *src, usize count) {
    return clks_memcpy(dst, src, count);
}

void *memmove(void *dst, const void *src, usize count) {
    return clks_memmove(dst, src, count);
}

void *memset(void *dst, int value, usize count) {
    return clks_memset(dst, value, count);
}

int memcmp(const void *left, const void *right, usize count) {
    const u8 *a = (const u8 *)left;
    const u8 *b = (const u8 *)right;
    usize i;

    for (i = 0U; i < count; i++) {
        if (a[i] != b[i]) {
            return (a[i] < b[i]) ? -1 : 1;
        }
    }

    return 0;
}

int bcmp(const void *left, const void *right, usize count) {
    return memcmp(left, right, count);
}

usize strlen(const char *str) {
    return clks_strlen(str);
}

char *strchr(const char *str, int c) {
    char ch = (char)c;
    const char *cur = str;

    while (*cur != '\0') {
        if (*cur == ch) {
            return (char *)cur;
        }
        cur++;
    }

    if (ch == '\0') {
        return (char *)cur;
    }

    return (char *)0;
}

int abs(int value) {
    return (value < 0) ? -value : value;
}

long labs(long value) {
    return (value < 0L) ? -value : value;
}