Function resolve_slash_prefix

src/pipeline/pass_pkgmap.c:1019–1047

Try slash-based prefix matching (Go: github.com/foo/bar/pkg/utils). * Returns heap QN or NULL. */

/* Try slash-based prefix matching (Go: github.com/foo/bar/pkg/utils).
 * Returns heap QN or NULL. */
static char *resolve_slash_prefix(CBMHashTable *map, const char *module_path) {
    char *buf = strdup(module_path);
    if (!buf) {
        return NULL;
    }
    for (char *slash = buf + strlen(buf) - SKIP_ONE; slash > buf; slash--) {
        if (*slash != '/') {
            continue;
        }
        *slash = '\0';
        const char *base_qn = (const char *)cbm_ht_get(map, buf);
        if (!base_qn) {
            continue;
        }
        const char *subpath = module_path + (size_t)(slash - buf) + SKIP_ONE;
        char result[PKGMAP_PATH_BUF];
        snprintf(result, sizeof(result), "%s.%s", base_qn, subpath);
        /* Replace / with . in the appended part */
        for (char *c = result + strlen(base_qn) + SKIP_ONE; *c; c++) {
            if (*c == '/') {
                *c = '.';
            }
        }
        free(buf);
        return strdup(result);
    }
    free(buf);
    return NULL;
}

/* Try dot-based prefix matching (Java: com.myorg.pkg.Foo).
 * Returns heap QN or NULL. */