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authorDan Winship <danw@src.gnome.org>2001-04-27 04:26:08 +0800
committerDan Winship <danw@src.gnome.org>2001-04-27 04:26:08 +0800
commite06a2c8d52cf983bf4bc4b6f13ec69a5d6312de2 (patch)
treed88e8ba14b756ac0c23e72a94abe4675e56ee632
parent6b0d304ac8648f779d9bd1002ceba25f2d4bfa50 (diff)
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Make the Solaris and no-gethostbyname_r implementations behave more like
* e-host-utils.c (e_gethostbyname_r): Make the Solaris and no-gethostbyname_r implementations behave more like the Linux one. Document. svn path=/trunk/; revision=9594
-rw-r--r--e-util/ChangeLog4
-rw-r--r--e-util/e-host-utils.c24
2 files changed, 24 insertions, 4 deletions
diff --git a/e-util/ChangeLog b/e-util/ChangeLog
index bf78e6da6f..b282021766 100644
--- a/e-util/ChangeLog
+++ b/e-util/ChangeLog
@@ -1,5 +1,9 @@
2001-04-26 Dan Winship <danw@ximian.com>
+ * e-host-utils.c (e_gethostbyname_r): Make the Solaris and
+ no-gethostbyname_r implementations behave more like the Linux one.
+ Document.
+
* Makefile.am (INCLUDES): Remove UNICODE_CFLAGS
(libeutil_la_LIBADD): Change UNICODE_LIBS to GAL_LIBS
diff --git a/e-util/e-host-utils.c b/e-util/e-host-utils.c
index 238674ddcc..d20261e5a6 100644
--- a/e-util/e-host-utils.c
+++ b/e-util/e-host-utils.c
@@ -31,13 +31,30 @@
G_LOCK_DEFINE_STATIC (gethost_mutex);
+/**
+ * e_gethostbyname_r:
+ * @name: the host to resolve
+ * @host: a buffer pointing to a struct hostent to use for storage
+ * @buf: a buffer to use for hostname storage
+ * @buflen: the size of @buf
+ * @herr: a pointer to a variable to store an error code in
+ *
+ * Resolves the hostname @name, in a hopefully-reentrant fashion.
+ *
+ * Return value: 0 on success, ERANGE if @buflen is too small,
+ * "something else" otherwise (in which case *@herr will be set to
+ * one of the gethostbyname() error codes).
+ **/
int
e_gethostbyname_r (const char *name, struct hostent *host,
char *buf, int buflen, int *herr)
{
#ifdef HAVE_GETHOSTBYNAME_R
#ifdef GETHOSTBYNAME_R_FIVE_ARGS
- return gethostbyname_r(name, host, buf, buflen, herr);
+ if (gethostbyname_r(name, host, buf, buflen, herr))
+ return 0;
+ else
+ return errno;
#else
struct hostent *hp;
return gethostbyname_r(name, host, buf, buflen, &hp, herr);
@@ -54,6 +71,7 @@ e_gethostbyname_r (const char *name, struct hostent *host,
h = gethostbyname (name);
if (!h) {
+ *herr = h_errno;
G_UNLOCK (gethost_mutex);
return -1;
}
@@ -78,7 +96,7 @@ e_gethostbyname_r (const char *name, struct hostent *host,
if (buflen < req_length) {
*herr = ERANGE;
G_UNLOCK (gethost_mutex);
- return -1;
+ return ERANGE;
}
/* we store the alias/addr pointers in the buffer - figure out
@@ -125,8 +143,6 @@ e_gethostbyname_r (const char *name, struct hostent *host,
host->h_addr_list[num_addrs] = NULL;
}
- *herr = h_errno;
-
G_UNLOCK (gethost_mutex);
return 0;