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avoid using strok - eliminates use of hidden global variable

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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
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(add/remove: 0/3 grow/shrink: 7/1 up/down: 102/-167)          Total: -65 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-10-06 02:36:47 +02:00
parent 535a509846
commit 2496616b0a
11 changed files with 46 additions and 36 deletions
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5
networking/nslookup.c
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@@ -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;