Function lang_from_string

src/discover/userconfig.c:133–152

* Parse a language string (case-insensitive) to a CBMLanguage enum. * Returns CBM_LANG_COUNT if the string is not recognized. */

 * Returns CBM_LANG_COUNT if the string is not recognized.
 */
static CBMLanguage lang_from_string(const char *s) {
    if (!s || !s[0]) {
        return CBM_LANG_COUNT;
    }

    /* Build a lowercase copy for comparison */
    char lower[CBM_SZ_64];
    size_t i;
    for (i = 0; i < sizeof(lower) - SKIP_ONE && s[i]; i++) {
        lower[i] = (char)tolower((unsigned char)s[i]);
    }
    lower[i] = '\0';

    for (size_t j = 0; j < LANG_NAME_TABLE_SIZE; j++) {
        if (strcmp(LANG_NAME_TABLE[j].name, lower) == 0) {
            return LANG_NAME_TABLE[j].lang;
        }
    }
    return CBM_LANG_COUNT;
}

/* ── Config directory helper ─────────────────────────────────────── */