diff options
Diffstat (limited to 'resolv/resolv_context.h')
| -rw-r--r-- | resolv/resolv_context.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/resolv/resolv_context.h b/resolv/resolv_context.h index ff9ef2c7fe..0f4d47d26d 100644 --- a/resolv/resolv_context.h +++ b/resolv/resolv_context.h @@ -93,6 +93,25 @@ struct resolv_context *__resolv_context_get_override (struct __res_state *) __attribute__ ((nonnull (1), warn_unused_result)); libc_hidden_proto (__resolv_context_get_override) +/* Return the search path entry at INDEX, or NULL if there are fewer + than INDEX entries. */ +static __attribute__ ((nonnull (1), unused)) const char * +__resolv_context_search_list (const struct resolv_context *ctx, size_t index) +{ + if (ctx->conf != NULL) + { + if (index < ctx->conf->search_list_size) + return ctx->conf->search_list[index]; + else + return NULL; + } + /* Fallback. ctx->resp->dnsrch is a NULL-terminated array. */ + for (size_t i = 0; ctx->resp->dnsrch[i] != NULL && i < MAXDNSRCH; ++i) + if (i == index) + return ctx->resp->dnsrch[i]; + return NULL; +} + /* Called during thread shutdown to free the associated resolver context (mostly in response to cancellation, otherwise the __resolv_context_get/__resolv_context_put pairing will already have |