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remove complex malloc-avoidance (bug #4601)

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remove resetting of variables during unload that will only be freed or set to known values on reload


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6085 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-07-11 21:06:27 +00:00
parent e24821e1cf
commit be9d72b11d
2 changed files with 75 additions and 159 deletions
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154
cdr/cdr_pgsql.c
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@@ -42,7 +42,6 @@ static char *desc = "PostgreSQL CDR Backend";
static char *name = "pgsql";
static char *config = "cdr_pgsql.conf";
static char *pghostname = NULL, *pgdbname = NULL, *pgdbuser = NULL, *pgpassword = NULL, *pgdbsock = NULL, *pgdbport = NULL, *table = NULL;
static int hostname_alloc = 0, dbname_alloc = 0, dbuser_alloc = 0, password_alloc = 0, dbsock_alloc = 0, dbport_alloc = 0, table_alloc = 0;
static int connected = 0;
AST_MUTEX_DEFINE_STATIC(pgsql_lock);
@@ -166,43 +165,20 @@ static int my_unload_module(void)
{
if (conn)
PQfinish(conn);
conn = NULL;
connected = 0;
if (pghostname && hostname_alloc) {
if (pghostname)
free(pghostname);
pghostname = NULL;
hostname_alloc = 0;
}
if (pgdbname && dbname_alloc) {
if (pgdbname)
free(pgdbname);
pgdbname = NULL;
dbname_alloc = 0;
}
if (pgdbuser && dbuser_alloc) {
if (pgdbuser)
free(pgdbuser);
pgdbuser = NULL;
dbuser_alloc = 0;
}
if (pgdbsock && dbsock_alloc) {
if (pgdbsock)
free(pgdbsock);
pgdbsock = NULL;
dbsock_alloc = 0;
}
if (pgpassword && password_alloc) {
if (pgpassword)
free(pgpassword);
pgpassword = NULL;
password_alloc = 0;
}
if (pgdbport && dbport_alloc) {
if (pgdbport)
free(pgdbport);
pgdbport = NULL;
dbport_alloc = 0;
}
if (table && table_alloc) {
if (table)
free(table);
table = NULL;
table_alloc = 0;
}
ast_cdr_unregister(name);
return 0;
}
@@ -221,99 +197,69 @@ static int process_my_load_module(struct ast_config *cfg)
}
tmp = ast_variable_retrieve(cfg,"global","hostname");
if (tmp) {
pghostname = malloc(strlen(tmp) + 1);
if (pghostname != NULL) {
memset(pghostname, 0, strlen(tmp) + 1);
hostname_alloc = 1;
strncpy(pghostname, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"PostgreSQL server hostname not specified. Assuming localhost\n");
pghostname = "localhost";
tmp = "localhost";
}
pghostname = strdup(tmp);
if (pghostname == NULL) {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
tmp = ast_variable_retrieve(cfg,"global","dbname");
if (tmp) {
pgdbname = malloc(strlen(tmp) + 1);
if (pgdbname != NULL) {
memset(pgdbname, 0, strlen(tmp) + 1);
dbname_alloc = 1;
strncpy(pgdbname, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"PostgreSQL database not specified. Assuming asterisk\n");
pgdbname = "asteriskcdrdb";
tmp = "asteriskcdrdb";
}
pgdbname = strdup(tmp);
if (pgdbname == NULL) {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
tmp = ast_variable_retrieve(cfg,"global","user");
if (tmp) {
pgdbuser = malloc(strlen(tmp) + 1);
if (pgdbuser != NULL) {
memset(pgdbuser, 0, strlen(tmp) + 1);
dbuser_alloc = 1;
strncpy(pgdbuser, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"PostgreSQL database user not specified. Assuming root\n");
pgdbuser = "root";
tmp = "root";
}
pgdbuser = strdup(tmp);
if (pgdbuser == NULL) {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
tmp = ast_variable_retrieve(cfg,"global","password");
if (tmp) {
pgpassword = malloc(strlen(tmp) + 1);
if (pgpassword != NULL) {
memset(pgpassword, 0, strlen(tmp) + 1);
password_alloc = 1;
strncpy(pgpassword, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"PostgreSQL database password not specified. Assuming blank\n");
pgpassword = "";
tmp = "";
}
pgpassword = strdup(tmp);
if (pgpassword == NULL) {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
tmp = ast_variable_retrieve(cfg,"global","port");
if (tmp) {
pgdbport = malloc(strlen(tmp) + 1);
if (pgdbport != NULL) {
memset(pgdbport, 0, strlen(tmp) + 1);
dbport_alloc = 1;
strncpy(pgdbport, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"PostgreSQL database port not specified. Using default 5432.\n");
pgdbport = "5432";
tmp = "5432";
}
/* Loading stuff for table name */
pgdbport = strdup(tmp);
if (pgdbport == NULL) {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
tmp = ast_variable_retrieve(cfg,"global","table");
if (tmp) {
table = malloc(strlen(tmp) + 1);
if (table != NULL) {
memset(table, 0, strlen(tmp) + 1);
table_alloc = 1;
strncpy(table, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"CDR table not specified. Assuming cdr\n");
table = "cdr";
tmp = "cdr";
}
table = strdup(tmp);
if (table == NULL) {
ast_log(LOG_ERROR,"Out of memory error.\n");
return -1;
}
ast_log(LOG_DEBUG,"cdr_pgsql: got hostname of %s\n",pghostname);