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check code is non NULL

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This commit is contained in:
Bill Parker
2018-07-11 13:48:08 +10:00
committed by Evan Hunt
parent cc9c97fdfc
commit 408bcf9c07
1 changed files with 9 additions and 3 deletions
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12
bin/dig/dig.c
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@@ -1001,14 +1001,20 @@ plus_option(char *option, isc_boolean_t is_batchfile,
lookup->ednsoptscnt = 0;
break;
}
if (value == NULL) {
code = NULL;
if (value != NULL) {
code = strtok_r(value,
":",
&last);
}
if (code == NULL) {
warn("ednsopt no "
"code point "
"specified");
goto exit_or_usage;
}
code = strtok_r(value, ":", &last);
extra = strtok_r(NULL, "\0", &last);
extra = strtok_r(NULL, "\0",
&last);
save_opt(lookup, code, extra);
break;
default: