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res_config_pgsql: Fix a memory leak and use RAII_VAR for cleanup when practical

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Review: https://reviewboard.asterisk.org/r/3141/
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Merged revisions 406360 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 406361 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/12@406389 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jonathan Rose
2014-01-24 21:25:47 +00:00
parent d8a4d2ce7e
commit 577a036b45
1 changed files with 10 additions and 24 deletions
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30
res/res_config_pgsql.c
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@@ -252,7 +252,7 @@ static struct tables *find_table(const char *database, const char *orig_tablenam
struct columns *column;
struct tables *table;
struct ast_str *sql = ast_str_thread_get(&findtable_buf, 330);
PGresult *result;
RAII_VAR(PGresult *, result, NULL, PQclear);
int exec_result;
char *fname, *ftype, *flen, *fnotnull, *fdef;
int i, rows;
@@ -339,14 +339,12 @@ static struct tables *find_table(const char *database, const char *orig_tablenam
ast_debug(1, "Query of table structure complete. Now retrieving results.\n");
if (exec_result != 0) {
ast_log(LOG_ERROR, "Failed to query database columns for table %s\n", orig_tablename);
PQclear(result);
AST_LIST_UNLOCK(&psql_tables);
return NULL;
}
if (!(table = ast_calloc(1, sizeof(*table) + strlen(orig_tablename) + 1))) {
ast_log(LOG_ERROR, "Unable to allocate memory for new table structure\n");
PQclear(result);
AST_LIST_UNLOCK(&psql_tables);
return NULL;
}
@@ -365,7 +363,6 @@ static struct tables *find_table(const char *database, const char *orig_tablenam
if (!(column = ast_calloc(1, sizeof(*column) + strlen(fname) + strlen(ftype) + 2))) {
ast_log(LOG_ERROR, "Unable to allocate column element for %s, %s\n", orig_tablename, fname);
PQclear(result);
destroy_table(table);
AST_LIST_UNLOCK(&psql_tables);
return NULL;
@@ -395,7 +392,6 @@ static struct tables *find_table(const char *database, const char *orig_tablenam
}
AST_LIST_INSERT_TAIL(&table->columns, column, list);
}
PQclear(result);
AST_LIST_INSERT_TAIL(&psql_tables, table, list);
ast_rwlock_rdlock(&table->lock);
@@ -420,7 +416,7 @@ static struct columns *find_column(struct tables *t, const char *colname)
static struct ast_variable *realtime_pgsql(const char *database, const char *tablename, const struct ast_variable *fields)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
int num_rows = 0, pgresult;
struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
@@ -482,7 +478,6 @@ static struct ast_variable *realtime_pgsql(const char *database, const char *tab
ast_mutex_lock(&pgsql_lock);
if (pgsql_exec(database, tablename, ast_str_buffer(sql), &result) != 0) {
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
@@ -498,7 +493,6 @@ static struct ast_variable *realtime_pgsql(const char *database, const char *tab
ast_debug(1, "PostgreSQL RealTime: Found %d rows.\n", num_rows);
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
@@ -527,7 +521,6 @@ static struct ast_variable *realtime_pgsql(const char *database, const char *tab
ast_debug(1, "Postgresql RealTime: Could not find any rows in table %s@%s.\n", tablename, database);
}
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return var;
@@ -535,7 +528,7 @@ static struct ast_variable *realtime_pgsql(const char *database, const char *tab
static struct ast_config *realtime_multi_pgsql(const char *database, const char *table, const struct ast_variable *fields)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
int num_rows = 0, pgresult;
struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
@@ -633,7 +626,6 @@ static struct ast_config *realtime_multi_pgsql(const char *database, const char
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
ast_config_destroy(cfg);
return NULL;
@@ -651,7 +643,6 @@ static struct ast_config *realtime_multi_pgsql(const char *database, const char
ast_debug(1, "PostgreSQL RealTime: Found %d rows.\n", num_rows);
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
ast_config_destroy(cfg);
return NULL;
@@ -683,7 +674,6 @@ static struct ast_config *realtime_multi_pgsql(const char *database, const char
ast_debug(1, "PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
}
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return cfg;
@@ -692,7 +682,7 @@ static struct ast_config *realtime_multi_pgsql(const char *database, const char
static int update_pgsql(const char *database, const char *tablename, const char *keyfield,
const char *lookup, const struct ast_variable *fields)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
int numrows = 0, pgresult;
const struct ast_variable *field = fields;
struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
@@ -795,7 +785,6 @@ static int update_pgsql(const char *database, const char *tablename, const char
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return -1;
}
@@ -820,7 +809,7 @@ static int update_pgsql(const char *database, const char *tablename, const char
static int update2_pgsql(const char *database, const char *tablename, const struct ast_variable *lookup_fields, const struct ast_variable *update_fields)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
int numrows = 0, pgresult, first = 1;
struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 16);
const struct ast_variable *field;
@@ -932,7 +921,7 @@ static int update2_pgsql(const char *database, const char *tablename, const stru
static int store_pgsql(const char *database, const char *table, const struct ast_variable *fields)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
Oid insertid;
struct ast_str *buf = ast_str_thread_get(&escapebuf_buf, 256);
struct ast_str *sql1 = ast_str_thread_get(&sql_buf, 256);
@@ -991,7 +980,6 @@ static int store_pgsql(const char *database, const char *table, const struct ast
}
insertid = PQoidValue(result);
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
ast_debug(1, "PostgreSQL RealTime: row inserted on table: %s, id: %u\n", table, insertid);
@@ -1010,7 +998,7 @@ static int store_pgsql(const char *database, const char *table, const struct ast
static int destroy_pgsql(const char *database, const char *table, const char *keyfield, const char *lookup, const struct ast_variable *fields)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
int numrows = 0;
int pgresult;
struct ast_str *sql = ast_str_thread_get(&sql_buf, 256);
@@ -1091,7 +1079,7 @@ static struct ast_config *config_pgsql(const char *database, const char *table,
const char *file, struct ast_config *cfg,
struct ast_flags flags, const char *suggested_incl, const char *who_asked)
{
PGresult *result = NULL;
RAII_VAR(PGresult *, result, NULL, PQclear);
long num_rows;
struct ast_variable *new_v;
struct ast_category *cur_cat = NULL;
@@ -1138,7 +1126,6 @@ static struct ast_config *config_pgsql(const char *database, const char *table,
char *field_cat_metric = PQgetvalue(result, rowIndex, 3);
if (!strcmp(field_var_name, "#include")) {
if (!ast_config_internal_load(field_var_val, cfg, flags, "", who_asked)) {
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
@@ -1161,7 +1148,6 @@ static struct ast_config *config_pgsql(const char *database, const char *table,
"PostgreSQL RealTime: Could not find config '%s' in database.\n", file);
}
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return cfg;