wpp: Fix a few memory leaks in the wpp_parse() function.
diff --git a/libs/wpp/wpp.c b/libs/wpp/wpp.c
index 0c9c808..66eb026 100644
--- a/libs/wpp/wpp.c
+++ b/libs/wpp/wpp.c
@@ -49,6 +49,16 @@
}
}
+static void del_cmdline_defines(void)
+{
+ struct define *def;
+
+ for (def = cmdline_defines; def; def = def->next)
+ {
+ if (def->value) pp_del_define( def->name );
+ }
+}
+
static void add_special_defines(void)
{
time_t now = time(NULL);
@@ -70,6 +80,14 @@
ppp->type = def_special;
}
+static void del_special_defines(void)
+{
+ pp_del_define( "__DATE__" );
+ pp_del_define( "__TIME__" );
+ pp_del_define( "__FILE__" );
+ pp_del_define( "__LINE__" );
+}
+
/* add a define to the preprocessor list */
int wpp_add_define( const char *name, const char *value )
@@ -182,6 +200,8 @@
else if (!(pp_status.file = wpp_callbacks->open(input, 1)))
{
ppy_error("Could not open %s\n", input);
+ del_special_defines();
+ del_cmdline_defines();
pp_pop_define_state();
return 2;
}
@@ -198,6 +218,8 @@
if (input) wpp_callbacks->close(pp_status.file);
/* Clean if_stack, it could remain dirty on errors */
while (pp_get_if_depth()) pp_pop_if();
+ del_special_defines();
+ del_cmdline_defines();
pp_pop_define_state();
return ret;
}