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4560. [bug] mdig: add -m option to enable memory debugging rather

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than have in on all the time. [RT #44509]

4559.   [bug]           Openssl_link.c didn't compile if ISC_MEM_TRACKLINES
                        was turned off.  [RT #44509]
This commit is contained in:
Mark Andrews
2017-01-24 17:48:31 +11:00
parent 9f4bf43b79
commit 25da687db7
4 changed files with 61 additions and 3 deletions
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44
bin/tools/mdig.c
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@@ -742,6 +742,7 @@ help(void) {
" -6 (use IPv6 query transport only)\n"
" -b address[#port] (bind to source address/port)\n"
" -p port (specify port number)\n"
" -m (enable memory usage debugging)\n"
" +[no]dscp[=###] (Set the DSCP value to ### [0..63])\n"
" +[no]vc (TCP mode)\n"
" +[no]tcp (TCP mode, alternate syntax)\n"
@@ -1520,7 +1521,7 @@ plus_option(char *option, struct query *query, isc_boolean_t global)
/*%
* #ISC_TRUE returned if value was used
*/
static const char *single_dash_opts = "46hiv";
static const char *single_dash_opts = "46himv";
/*static const char *dash_opts = "46bcfhiptvx";*/
static isc_boolean_t
dash_option(const char *option, char *next, struct query *query,
@@ -1577,6 +1578,11 @@ dash_option(const char *option, char *next, struct query *query,
case 'i':
query->ip6_int = ISC_TRUE;
break;
case 'm':
/*
* handled by preparse_args()
*/
break;
case 'v':
fputs("mDiG " VERSION "\n", stderr);
exit(0);
@@ -1694,6 +1700,39 @@ clone_default_query() {
return query;
}
/*%
* Because we may be trying to do memory allocation recording, we're going
* to need to parse the arguments for the -m *before* we start the main
* argument parsing routine.
*
* I'd prefer not to have to do this, but I am not quite sure how else to
* fix the problem. Argument parsing in mdig involves memory allocation
* by its nature, so it can't be done in the main argument parser.
*/
static void
preparse_args(int argc, char **argv) {
int rc;
char **rv;
char *option;
rc = argc;
rv = argv;
for (rc--, rv++; rc > 0; rc--, rv++) {
if (rv[0][0] != '-')
continue;
option = &rv[0][1];
while (strpbrk(option, single_dash_opts) == &option[0]) {
switch (option[0]) {
case 'm':
isc_mem_debugging = ISC_MEM_DEBUGTRACE |
ISC_MEM_DEBUGRECORD;
break;
}
option = &option[1];
}
}
}
static void
parse_args(isc_boolean_t is_batchfile, int argc, char **argv)
{
@@ -1870,8 +1909,9 @@ main(int argc, char *argv[]) {
if (!have_ipv4 && !have_ipv6)
fatal("could not find either IPv4 or IPv6");
preparse_args(argc, argv);
mctx = NULL;
isc_mem_debugging = ISC_MEM_DEBUGRECORD;
RUNCHECK(isc_mem_create(0, 0, &mctx));
lctx = NULL;