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wpp: Fix a few memory leaks in the wpp_parse() function.

This commit is contained in:
Józef Kucia 2012-03-25 15:53:31 +02:00 committed by Alexandre Julliard
parent d574e7948e
commit 2c8a3c31b7
1 changed files with 22 additions and 0 deletions
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22
libs/wpp/wpp.c
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@ -49,6 +49,16 @@ static void add_cmdline_defines(void)
}
}
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 @@ static void add_special_defines(void)
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 @@ int wpp_parse( const char *input, FILE *output )
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 @@ int wpp_parse( const char *input, FILE *output )
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;
}