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authorDaniel Stenberg <daniel@haxx.se>2008-11-19 15:16:16 (GMT)
committerDaniel Stenberg <daniel@haxx.se>2008-11-19 15:16:16 (GMT)
commit8a6b51d5601ab65f64514bb80c567f5f5e103bc1 (patch)
tree8b4194d66157386613da0caa2a62c1338ea508f0 /ares_gethostbyname.c
parent8a34a3a045a76282b81bbda780204a1633a64398 (diff)
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- Brad Spencer brought the new function ares_gethostbyname_file() which simply
resolves a host name from the given file, using the regular hosts syntax.
Diffstat (limited to 'ares_gethostbyname.c')
-rw-r--r--ares_gethostbyname.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/ares_gethostbyname.c b/ares_gethostbyname.c
index a32da8f..9662db5 100644
--- a/ares_gethostbyname.c
+++ b/ares_gethostbyname.c
@@ -289,6 +289,31 @@ static int fake_hostent(const char *name, int family, ares_host_callback callbac
return 1;
}
+/* This is an API method */
+int ares_gethostbyname_file(ares_channel channel, const char *name,
+ int family, struct hostent **host)
+{
+ /* We only take the channel to ensure that ares_init() been called. */
+ if(channel == NULL)
+ {
+ /* Anything will do, really. This seems fine, and is consistent with
+ other error cases. */
+ *host = NULL;
+ return ARES_ENOTFOUND;
+ }
+
+ /* Just chain to the internal implementation we use here; it's exactly
+ * what we want.
+ */
+ const int result = file_lookup(name, family, host);
+ if(result != ARES_SUCCESS)
+ {
+ /* We guarantee a NULL hostent on failure. */
+ *host = NULL;
+ }
+ return result;
+}
+
static int file_lookup(const char *name, int family, struct hostent **host)
{
FILE *fp;