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Fix memory leaks in config_parser. 

push_token() doesn't take ownership of its str argument.
This commit is contained in:
Emil Mikulic 2012-11-24 16:02:20 +11:00 committed by Michael Stapelberg
parent eaf13eace2
commit d2b533328d
1 changed files with 7 additions and 4 deletions
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11
src/config_parser.c
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@ -91,7 +91,7 @@ static struct stack_entry stack[10];
* single array, since the number of entries we have to store is very small.
*
*/
static void push_string(const char *identifier, char *str) {
static void push_string(const char *identifier, const char *str) {
for (int c = 0; c < 10; c++) {
if (stack[c].identifier != NULL &&
strcmp(stack[c].identifier, identifier) != 0)
@ -99,11 +99,13 @@ static void push_string(const char *identifier, char *str) {
if (stack[c].identifier == NULL) {
/* Found a free slot, let’s store it here. */
stack[c].identifier = identifier;
stack[c].val.str = str;
stack[c].val.str = sstrdup(str);
stack[c].type = STACK_STR;
} else {
/* Append the value. */
sasprintf(&(stack[c].val.str), "%s,%s", stack[c].val.str, str);
char *prev = stack[c].val.str;
sasprintf(&(stack[c].val.str), "%s,%s", prev, str);
free(prev);
}
return;
}
@ -352,7 +354,7 @@ struct ConfigResult *parse_config(const char *input, struct context *context) {
if (token->name[0] == '\'') {
if (strncasecmp(walk, token->name + 1, strlen(token->name) - 1) == 0) {
if (token->identifier != NULL)
push_string(token->identifier, sstrdup(token->name + 1));
push_string(token->identifier, token->name + 1);
walk += strlen(token->name) - 1;
next_state(token);
token_handled = true;
@ -424,6 +426,7 @@ struct ConfigResult *parse_config(const char *input, struct context *context) {
}
if (token->identifier)
push_string(token->identifier, str);
free(str);
/* If we are at the end of a quoted string, skip the ending
* double quote. */
if (*walk == '"')