From 6abd9aa12683af559ac1752bc1958e0e0b930280 Mon Sep 17 00:00:00 2001 From: oetiker Date: Wed, 27 Aug 2008 21:25:04 +0000 Subject: [PATCH] Many rrd_create memory leaks patched ... based on valgrind analysis by Sven Engelhardt. Thanks! git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1465 a5681a0c-68f1-0310-ab6d-d61299d08faa --- src/rrd_create.c | 71 +++++++++++++++++++++++++++++--------------------------- 1 file changed, 37 insertions(+), 34 deletions(-) diff --git a/src/rrd_create.c b/src/rrd_create.c index edba9b8..b87d2be 100644 --- a/src/rrd_create.c +++ b/src/rrd_create.c @@ -27,6 +27,9 @@ void parseGENERIC_DS( long int rra_random_row( rra_def_t *); +static void rrd_free2( + rrd_t *rrd); /* our onwn copy, immmune to mmap */ + int rrd_create( int argc, char **argv) @@ -125,15 +128,14 @@ int rrd_create_r( /* static header */ if ((rrd.stat_head = calloc(1, sizeof(stat_head_t))) == NULL) { rrd_set_error("allocating rrd.stat_head"); - free(rrd.stat_head); + rrd_free2(&rrd); return (-1); } /* live header */ if ((rrd.live_head = calloc(1, sizeof(live_head_t))) == NULL) { rrd_set_error("allocating rrd.live_head"); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return (-1); } @@ -166,8 +168,7 @@ int rrd_create_r( old_size + sizeof(ds_def_t))) == NULL) { rrd_set_error("allocating rrd.ds_def"); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return (-1); } memset(&rrd.ds_def[rrd.stat_head->ds_cnt], 0, sizeof(ds_def_t)); @@ -199,8 +200,7 @@ int rrd_create_r( rrd_set_error("invalid DS format"); } if (rrd_test_error()) { - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return -1; } @@ -223,8 +223,7 @@ int rrd_create_r( } if (rrd_test_error()) { - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return -1; } rrd.stat_head->ds_cnt++; @@ -238,8 +237,7 @@ int rrd_create_r( old_size + sizeof(rra_def_t))) == NULL) { rrd_set_error("allocating rrd.rra_def"); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return (-1); } memset(&rrd.rra_def[rrd.stat_head->rra_cnt], 0, @@ -496,8 +494,7 @@ int rrd_create_r( if (rrd_test_error()) { /* all errors are unrecoverable */ free(argvcopy); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return (-1); } token = strtok_r(NULL, ":", &tokptr); @@ -524,16 +521,14 @@ int rrd_create_r( if (create_hw_contingent_rras(&rrd, period, hashed_name) == -1) { rrd_set_error("creating contingent RRA"); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return -1; } } rrd.stat_head->rra_cnt++; } else { rrd_set_error("can't parse argument '%s'", argv[i]); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return -1; } } @@ -541,15 +536,13 @@ int rrd_create_r( if (rrd.stat_head->rra_cnt < 1) { rrd_set_error("you must define at least one Round Robin Archive"); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return (-1); } if (rrd.stat_head->ds_cnt < 1) { rrd_set_error("you must define at least one Data Source"); - free(rrd.stat_head); - free(rrd.live_head); + rrd_free2(&rrd); return (-1); } return rrd_create_fn(filename, &rrd); @@ -618,6 +611,7 @@ int create_hw_contingent_rras( if ((rrd->rra_def = rrd_realloc(rrd->rra_def, old_size + 4 * sizeof(rra_def_t))) == NULL) { + rrd_free2(rrd); rrd_set_error("allocating rrd.rra_def"); return (-1); } @@ -682,15 +676,15 @@ int rrd_create_fn( int unkn_cnt; rrd_file_t *rrd_file_dn; rrd_t rrd_dn; - unsigned flags = O_WRONLY | O_CREAT | O_TRUNC; + unsigned flags = O_WRONLY | O_CREAT | O_TRUNC; + #if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__) flags |= O_BINARY; #endif if ((rrd_file = open(file_name, flags, 0666)) < 0) { rrd_set_error("creating '%s': %s", file_name, rrd_strerror(errno)); - free(rrd->stat_head); - free(rrd->live_head); + rrd_free2(rrd); return (-1); } @@ -705,8 +699,7 @@ int rrd_create_fn( if ((rrd->pdp_prep = calloc(1, sizeof(pdp_prep_t))) == NULL) { rrd_set_error("allocating pdp_prep"); - free(rrd->stat_head); - free(rrd->live_head); + rrd_free2(rrd); close(rrd_file); return (-1); } @@ -722,8 +715,7 @@ int rrd_create_fn( if ((rrd->cdp_prep = calloc(1, sizeof(cdp_prep_t))) == NULL) { rrd_set_error("allocating cdp_prep"); - free(rrd->stat_head); - free(rrd->live_head); + rrd_free2(rrd); close(rrd_file); return (-1); } @@ -770,8 +762,7 @@ int rrd_create_fn( if ((rrd->rra_ptr = calloc(1, sizeof(rra_ptr_t))) == NULL) { rrd_set_error("allocating rra_ptr"); - free(rrd->stat_head); - free(rrd->live_head); + rrd_free2(rrd); close(rrd_file); return (-1); } @@ -788,8 +779,7 @@ int rrd_create_fn( /* write the empty data area */ if ((unknown = (rrd_value_t *) malloc(512 * sizeof(rrd_value_t))) == NULL) { rrd_set_error("allocating unknown"); - free(rrd->stat_head); - free(rrd->live_head); + rrd_free2(rrd); close(rrd_file); return (-1); } @@ -807,8 +797,7 @@ int rrd_create_fn( } free(unknown); fdatasync(rrd_file); - free(rrd->stat_head); - free(rrd->live_head); + rrd_free2(rrd); if (close(rrd_file) == -1) { rrd_set_error("creating rrd: %s", rrd_strerror(errno)); return -1; @@ -821,6 +810,20 @@ int rrd_create_fn( return (0); } + +static void rrd_free2( + rrd_t *rrd) +{ + free(rrd->live_head); + free(rrd->stat_head); + free(rrd->ds_def); + free(rrd->rra_def); + free(rrd->rra_ptr); + free(rrd->pdp_prep); + free(rrd->cdp_prep); + free(rrd->rrd_value); +} + static int rand_init = 0; long int rra_random_row( -- 2.11.0