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c956d9f5ebe21c1eea5c4c32545eb7260bc4fe55
lightning/lightningd/test/run-find_my_path.c
Rusty Russell c956d9f5eb lightningd: tal memleak detection, dev-memleak command. 
This is a primitive mark-and-sweep-style garbage detector.  The core is
in common/ for later use by subdaemons, but for now it's just lightningd.
We initialize it before most other allocations.

We walk the tal tree to get all the pointers, then search the `ld`
object for those pointers, recursing down.  Some specific helpers are
required for hashtables (which stash bits in the unused pointer bits,
so won't be found).

There's `notleak()` for annotating things that aren't leaks: things
like globals and timers, and other semi-transients.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-12-20 12:43:10 +01:00

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#define main unused_main
int unused_main(int argc, char *argv[]);
#include "../lightningd.c"
/* AUTOGENERATED MOCKS START */
/* Generated stub for crashlog_activate */
void crashlog_activate(const char *argv0 UNNEEDED, struct log *log UNNEEDED)
{ fprintf(stderr, "crashlog_activate called!\n"); abort(); }
/* Generated stub for db_begin_transaction_ */
void db_begin_transaction_(struct db *db UNNEEDED, const char *location UNNEEDED)
{ fprintf(stderr, "db_begin_transaction_ called!\n"); abort(); }
/* Generated stub for db_commit_transaction */
void db_commit_transaction(struct db *db UNNEEDED)
{ fprintf(stderr, "db_commit_transaction called!\n"); abort(); }
/* Generated stub for db_get_intvar */
s64 db_get_intvar(struct db *db UNNEEDED, char *varname UNNEEDED, s64 defval UNNEEDED)
{ fprintf(stderr, "db_get_intvar called!\n"); abort(); }
/* Generated stub for debug_poll */
int debug_poll(struct pollfd *fds UNNEEDED, nfds_t nfds UNNEEDED, int timeout UNNEEDED)
{ fprintf(stderr, "debug_poll called!\n"); abort(); }
/* Generated stub for fatal */
void fatal(const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "fatal called!\n"); abort(); }
/* Generated stub for free_htlcs */
void free_htlcs(struct lightningd *ld UNNEEDED, const struct peer *peer UNNEEDED)
{ fprintf(stderr, "free_htlcs called!\n"); abort(); }
/* Generated stub for gossip_init */
void gossip_init(struct lightningd *ld UNNEEDED)
{ fprintf(stderr, "gossip_init called!\n"); abort(); }
/* Generated stub for handle_opts */
bool handle_opts(struct lightningd *ld UNNEEDED, int argc UNNEEDED, char *argv[])
{ fprintf(stderr, "handle_opts called!\n"); abort(); }
/* Generated stub for hash_htlc_key */
size_t hash_htlc_key(const struct htlc_key *htlc_key UNNEEDED)
{ fprintf(stderr, "hash_htlc_key called!\n"); abort(); }
/* Generated stub for hsm_init */
void hsm_init(struct lightningd *ld UNNEEDED, bool newdir UNNEEDED)
{ fprintf(stderr, "hsm_init called!\n"); abort(); }
/* Generated stub for invoices_init */
struct invoices *invoices_init(const tal_t *ctx UNNEEDED)
{ fprintf(stderr, "invoices_init called!\n"); abort(); }
/* Generated stub for log_ */
void log_(struct log *log UNNEEDED, enum log_level level UNNEEDED, const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "log_ called!\n"); abort(); }
/* Generated stub for memleak_cleanup */
void memleak_cleanup(void)
{ fprintf(stderr, "memleak_cleanup called!\n"); abort(); }
/* Generated stub for memleak_init */
void memleak_init(const tal_t *root UNNEEDED)
{ fprintf(stderr, "memleak_init called!\n"); abort(); }
/* Generated stub for new_log */
struct log *new_log(const tal_t *ctx UNNEEDED, struct log_book *record UNNEEDED, const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "new_log called!\n"); abort(); }
/* Generated stub for new_log_book */
struct log_book *new_log_book(const tal_t *ctx UNNEEDED,
size_t max_mem UNNEEDED,
enum log_level printlevel UNNEEDED)
{ fprintf(stderr, "new_log_book called!\n"); abort(); }
/* Generated stub for new_topology */
struct chain_topology *new_topology(struct lightningd *ld UNNEEDED, struct log *log UNNEEDED)
{ fprintf(stderr, "new_topology called!\n"); abort(); }
/* Generated stub for populate_peer */
void populate_peer(struct lightningd *ld UNNEEDED, struct peer *peer UNNEEDED)
{ fprintf(stderr, "populate_peer called!\n"); abort(); }
/* Generated stub for register_opts */
void register_opts(struct lightningd *ld UNNEEDED)
{ fprintf(stderr, "register_opts called!\n"); abort(); }
/* Generated stub for setup_color_and_alias */
void setup_color_and_alias(struct lightningd *ld UNNEEDED)
{ fprintf(stderr, "setup_color_and_alias called!\n"); abort(); }
/* Generated stub for setup_jsonrpc */
void setup_jsonrpc(struct lightningd *ld UNNEEDED, const char *rpc_filename UNNEEDED)
{ fprintf(stderr, "setup_jsonrpc called!\n"); abort(); }
/* Generated stub for setup_topology */
void setup_topology(struct chain_topology *topology UNNEEDED,
struct timers *timers UNNEEDED,
struct timerel poll_time UNNEEDED, u32 first_peer_block UNNEEDED)
{ fprintf(stderr, "setup_topology called!\n"); abort(); }
/* Generated stub for subd_shutdown */
void subd_shutdown(struct subd *subd UNNEEDED, unsigned int seconds UNNEEDED)
{ fprintf(stderr, "subd_shutdown called!\n"); abort(); }
/* Generated stub for timer_expired */
void timer_expired(tal_t *ctx UNNEEDED, struct timer *timer UNNEEDED)
{ fprintf(stderr, "timer_expired called!\n"); abort(); }
/* Generated stub for txfilter_add_derkey */
void txfilter_add_derkey(struct txfilter *filter UNNEEDED, u8 derkey[PUBKEY_DER_LEN])
{ fprintf(stderr, "txfilter_add_derkey called!\n"); abort(); }
/* Generated stub for txfilter_new */
struct txfilter *txfilter_new(const tal_t *ctx UNNEEDED)
{ fprintf(stderr, "txfilter_new called!\n"); abort(); }
/* Generated stub for version */
const char *version(void)
{ fprintf(stderr, "version called!\n"); abort(); }
/* Generated stub for wallet_channels_load_active */
bool wallet_channels_load_active(struct wallet *w UNNEEDED, struct list_head *peers UNNEEDED)
{ fprintf(stderr, "wallet_channels_load_active called!\n"); abort(); }
/* Generated stub for wallet_htlcs_load_for_channel */
bool wallet_htlcs_load_for_channel(struct wallet *wallet UNNEEDED,
struct wallet_channel *chan UNNEEDED,
struct htlc_in_map *htlcs_in UNNEEDED,
struct htlc_out_map *htlcs_out UNNEEDED)
{ fprintf(stderr, "wallet_htlcs_load_for_channel called!\n"); abort(); }
/* Generated stub for wallet_htlcs_reconnect */
bool wallet_htlcs_reconnect(struct wallet *wallet UNNEEDED,
struct htlc_in_map *htlcs_in UNNEEDED,
struct htlc_out_map *htlcs_out UNNEEDED)
{ fprintf(stderr, "wallet_htlcs_reconnect called!\n"); abort(); }
/* Generated stub for wallet_invoices_load */
bool wallet_invoices_load(struct wallet *wallet UNNEEDED, struct invoices *invs UNNEEDED)
{ fprintf(stderr, "wallet_invoices_load called!\n"); abort(); }
/* Generated stub for wallet_new */
struct wallet *wallet_new(const tal_t *ctx UNNEEDED, struct log *log UNNEEDED)
{ fprintf(stderr, "wallet_new called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
/* We only need these in developer mode */
#if DEVELOPER
/* Generated stub for opt_subd_debug */
char *opt_subd_debug(const char *optarg UNNEEDED, struct lightningd *ld UNNEEDED)
{ fprintf(stderr, "opt_subd_debug called!\n"); abort(); }
/* Generated stub for opt_subd_dev_disconnect */
char *opt_subd_dev_disconnect(const char *optarg UNNEEDED, struct lightningd *ld UNNEEDED)
{ fprintf(stderr, "opt_subd_dev_disconnect called!\n"); abort(); }
#endif
#undef main
int main(int argc, char *argv[])
{
char *tmpctx = tal_tmpctx(NULL);
char *argv0;
/* We're assuming we're run from top build dir. */
const char *answer = path_canon(tmpctx, "lightningd/test");
/* Various different ways we could find ourselves. */
argv0 = path_join(tmpctx,
path_cwd(tmpctx), "lightningd/test/run-find_my_path");
unsetenv("PATH");
/* Absolute path. */
assert(streq(find_my_path(tmpctx, argv0), answer));
/* Relative to cwd. */
argv0 = "lightningd/test/run-find_my_path";
assert(streq(find_my_path(tmpctx, argv0), answer));
/* Using $PATH */
setenv("PATH", path_join(tmpctx,
path_cwd(tmpctx), "lightningd/test"), 1);
argv0 = "run-find_my_path";
assert(streq(find_my_path(tmpctx, argv0), answer));
/* Even with dummy things in path. */
char **pathelems = tal_arr(tmpctx, char *, 4);
pathelems[0] = "/tmp/foo";
pathelems[1] = "/sbin";
pathelems[2] = path_join(tmpctx, path_cwd(tmpctx), "lightningd/test");
pathelems[3] = NULL;
setenv("PATH", tal_strjoin(tmpctx, pathelems, ":", STR_NO_TRAIL), 1);
assert(streq(find_my_path(tmpctx, argv0), answer));
assert(!taken_any());
take_cleanup();
tal_free(tmpctx);
return 0;
}
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