Function cbm_path_join

src/foundation/str_util.c:17–58

};

char *cbm_path_join(CBMArena *a, const char *base, const char *name) {
    if (!base || !name) {
        return NULL;
    }
    size_t blen = strlen(base);
    size_t nlen = strlen(name);

    /* Handle empty components */
    if (blen == 0) {
        return cbm_arena_strdup(a, name);
    }
    if (nlen == 0) {
        return cbm_arena_strdup(a, base);
    }

    /* Strip trailing slash from base */
    while (blen > 0 && base[blen - SKIP_ONE] == '/') {
        blen--;
    }
    /* Strip leading slash from name */
    while (nlen > 0 && *name == '/') {
        name++;
        nlen--;
    }

    if (blen == 0) {
        return cbm_arena_strndup(a, name, nlen);
    }
    if (nlen == 0) {
        return cbm_arena_strndup(a, base, blen);
    }

    char *result = (char *)cbm_arena_alloc(a, blen + SKIP_ONE + nlen + SKIP_ONE);
    if (!result) {
        return NULL;
    }
    memcpy(result, base, blen);
    result[blen] = '/';
    memcpy(result + blen + SKIP_ONE, name, nlen);
    result[blen + SKIP_ONE + nlen] = '\0';
    return result;
}

char *cbm_path_join_n(CBMArena *a, const char **parts, int n) {
    if (n <= 0 || !parts) {