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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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80
cdr/cdr_odbc.c
View File

@@ -40,7 +40,6 @@ static char *desc = "ODBC CDR Backend";
static char *name = "ODBC";
static char *config = "cdr_odbc.conf";
static char *dsn = NULL, *username = NULL, *password = NULL, *table = NULL;
static int dsn_alloc = 0, username_alloc = 0, password_alloc = 0, table_alloc = 0;
static int loguniqueid = 0;
static int usegmtime = 0;
static int dispositionstring = 0;
@@ -191,39 +190,27 @@ static int odbc_unload_module(void)
SQLDisconnect(ODBC_con);
SQLFreeHandle(SQL_HANDLE_DBC, ODBC_con);
SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
connected = 0;
}
if (dsn && dsn_alloc) {
if (dsn) {
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free dsn\n");
free(dsn);
dsn = NULL;
dsn_alloc = 0;
}
if (username && username_alloc) {
if (username) {
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free username\n");
free(username);
username = NULL;
username_alloc = 0;
}
if (password && password_alloc) {
if (password) {
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free password\n");
free(password);
password = NULL;
password_alloc = 0;
}
if (table && table_alloc) {
if (table) {
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free table\n");
free(table);
table = NULL;
table_alloc = 0;
}
loguniqueid = 0;
usegmtime = 0;
dispositionstring = 0;
ast_cdr_unregister(name);
ast_mutex_unlock(&odbc_lock);
@@ -252,20 +239,15 @@ static int odbc_load_module(void)
}
tmp = ast_variable_retrieve(cfg,"global","dsn");
if (tmp) {
dsn = malloc(strlen(tmp) + 1);
if (dsn != NULL) {
memset(dsn, 0, strlen(tmp) + 1);
dsn_alloc = 1;
strncpy(dsn, tmp, strlen(tmp));
} else {
ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
res = -1;
goto out;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"cdr_odbc: dsn not specified. Assuming asteriskdb\n");
dsn = "asteriskdb";
tmp = "asteriskdb";
}
dsn = strdup(tmp);
if (dsn == NULL) {
ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
res = -1;
goto out;
}
tmp = ast_variable_retrieve(cfg,"global","dispositionstring");
@@ -277,12 +259,8 @@ static int odbc_load_module(void)
tmp = ast_variable_retrieve(cfg,"global","username");
if (tmp) {
username = malloc(strlen(tmp) + 1);
if (username != NULL) {
memset(username, 0, strlen(tmp) + 1);
username_alloc = 1;
strncpy(username, tmp, strlen(tmp));
} else {
username = strdup(tmp);
if (username == NULL) {
ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
res = -1;
goto out;
@@ -291,12 +269,8 @@ static int odbc_load_module(void)
tmp = ast_variable_retrieve(cfg,"global","password");
if (tmp) {
password = malloc(strlen(tmp) + 1);
if (password != NULL) {
memset(password, 0, strlen(tmp) + 1);
password_alloc = 1;
strncpy(password, tmp, strlen(tmp));
} else {
password = strdup(tmp);
if (password == NULL) {
ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
res = -1;
goto out;
@@ -330,20 +304,15 @@ static int odbc_load_module(void)
}
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,"cdr_odbc: Out of memory error.\n");
res = -1;
goto out;
}
} else {
if (tmp == NULL) {
ast_log(LOG_WARNING,"cdr_odbc: table not specified. Assuming cdr\n");
table = "cdr";
tmp = "cdr";
}
table = strdup(tmp);
if (table == NULL) {
ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
res = -1;
goto out;
}
ast_config_destroy(cfg);
@@ -437,6 +406,7 @@ static int odbc_init(void)
SQLSetConnectAttr(ODBC_con, SQL_LOGIN_TIMEOUT, (SQLPOINTER *)10, 0);
}
/* XXX note username and password could be NULL here */
ODBC_res = SQLConnect(ODBC_con, (SQLCHAR*)dsn, SQL_NTS, (SQLCHAR*)username, SQL_NTS, (SQLCHAR*)password, SQL_NTS);
if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {