[libvirt] [PATCH] Add a new syntax-check rule for gethostname.

[Chris Lalancette]

We should always be using virGetHostname in place of
gethostname; thus add in a new syntax-check rule to make
sure no new uses creep in.

Signed-off-by: Chris Lalancette <clalance at redhat.com>
---
 .x-sc_prohibit_gethostname |    2 ++
 Makefile.am                |    1 +
 cfg.mk                     |    5 +++++
 src/libvirt.c              |    2 +-
 4 files changed, 9 insertions(+), 1 deletions(-)
 create mode 100644 .x-sc_prohibit_gethostname

diff --git a/.x-sc_prohibit_gethostname b/.x-sc_prohibit_gethostname
new file mode 100644
index 0000000..e7acb03
--- /dev/null
+++ b/.x-sc_prohibit_gethostname
@@ -0,0 +1,2 @@
+^src/util/util\.c$
+^ChangeLog-old$
diff --git a/Makefile.am b/Makefile.am
index 14fc593..32cd96a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -23,6 +23,7 @@ EXTRA_DIST = \
   .x-sc_m4_quote_check \
   .x-sc_prohibit_asprintf \
   .x-sc_prohibit_gethostby \
+  .x-sc_prohibit_gethostname \
   .x-sc_prohibit_have_config_h \
   .x-sc_prohibit_HAVE_MBRTOWC \
   .x-sc_prohibit_nonreentrant \
diff --git a/cfg.mk b/cfg.mk
index c1d3864..45d6531 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -94,6 +94,11 @@ sc_prohibit_strncpy:
 	msg='use virStrncpy, not strncpy'				\
 	  $(_prohibit_regexp)
 
+sc_prohibit_gethostname:
+	@re='gethostname *\('						\
+	msg='use virGetHostname, not gethostname'			\
+	  $(_prohibit_regexp)
+
 sc_prohibit_VIR_ERR_NO_MEMORY:
 	@re='\<V''IR_ERR_NO_MEMORY\>'					\
 	msg='use virReportOOMError, not V'IR_ERR_NO_MEMORY		\
diff --git a/src/libvirt.c b/src/libvirt.c
index 5787f22..4e244bb 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -1441,7 +1441,7 @@ error:
  * @conn: pointer to a hypervisor connection
  *
  * This returns the system hostname on which the hypervisor is
- * running (the result of the gethostname(2) system call).  If
+ * running (the result of the gethostname system call).  If
  * we are connected to a remote system, then this returns the
  * hostname of the remote system.
  *
-- 
1.6.0.6