resolv: improve comments about nserv and nservall

The current comments concerning nserv and nservall are not really clear
and lead to confusion when reviewing an already complex code. Improve
them, there real meaning have been confirmed by a code analysis.

	* resolv/res_init.c (__res_vinit): Improve comments about nserv
	and nservall.

diff --git a/ChangeLog b/ChangeLog
index 5fe5e58..1204575 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-06  Aurelien Jarno  <aurelien@aurel32.net>
+
+       * resolv/res_init.c (__res_vinit): Improve comments about nserv
+       and nservall.
+
 2015-01-06  Ondřej Bílka  <neleai@seznam.cz>
 
        * sysdeps/unix/sysv/linux/check_pf.c (make_request):

diff --git a/resolv/res_init.c b/resolv/res_init.c
index d492a08..4c170be 100644 (file)
--- a/resolv/res_init.c
+++ b/resolv/res_init.c
@@ -153,9 +153,9 @@ __res_vinit(res_state statp, int preinit) {
        char *cp, **pp;
        int n;
        char buf[BUFSIZ];
-       int nserv = 0;    /* number of nameserver records read from file */
+       int nserv = 0;    /* number of IPv4 nameservers read from file */
 #ifdef _LIBC
-       int nservall = 0; /* number of NS records read, nserv IPv4 only */
+       int nservall = 0; /* number of (IPv4 + IPV6) nameservers read from file */
 #endif
        int haveenv = 0;
        int havesearch = 0;