avoid using strok - eliminates use of hidden global variable

function                                             old     new   delta
udhcp_str2optset                                     616     650     +34
setpriv_main                                         950     975     +25
switch_root_main                                     688     706     +18
parse                                                958     970     +12
getopt_main                                          622     628      +6
parse_resolvconf                                     302     306      +4
mpstat_main                                         1139    1142      +3
static.p                                               4       -      -4
cdcmd                                                717     702     -15
strtok                                               148       -    -148
------------------------------------------------------------------------------
(add/remove: 0/3 grow/shrink: 7/1 up/down: 102/-167)          Total: -65 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/networking/nslookup.c b/networking/nslookup.c
index c43e60558..759de5c83 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -703,12 +703,13 @@ static void parse_resolvconf(void)
 
                 while (fgets(line, sizeof(line), resolv)) {
                         char *p, *arg;
+                        char *tokstate;
 
-                        p = strtok(line, " \t\n");
+                        p = strtok_r(line, " \t\n", &tokstate);
                         if (!p)
                                 continue;
                         dbg("resolv_key:'%s'\n", p);
-                        arg = strtok(NULL, "\n");
+                        arg = strtok_r(NULL, "\n", &tokstate);
                         dbg("resolv_arg:'%s'\n", arg);
                         if (!arg)
                                 continue;