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re PR middle-end/56461 (GCC is leaking lots of memory)

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PR middle-end/56461
	* files.c (_cpp_save_file_entries): Free result at the end.
	* pch.c (cpp_string_free): New function.
	(cpp_save_state): Use it in htab_create call.
	(cpp_write_pch_deps): Free ss->defs.  Destroy ss->definedhash.

From-SVN: r196394
This commit is contained in:
Jakub Jelinek 2013-03-01 22:06:04 +01:00 committed by Jakub Jelinek
parent 689eaba322
commit 3b8af25b7a
3 changed files with 25 additions and 2 deletions
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8
libcpp/ChangeLog
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@ -1,3 +1,11 @@
2013-03-01 Jakub Jelinek <jakub@redhat.com>
PR middle-end/56461
* files.c (_cpp_save_file_entries): Free result at the end.
* pch.c (cpp_string_free): New function.
(cpp_save_state): Use it in htab_create call.
(cpp_write_pch_deps): Free ss->defs. Destroy ss->definedhash.
2013-02-28 Jakub Jelinek <jakub@redhat.com>
* files.c (_cpp_find_file): If returning early, before storing

5
libcpp/files.c
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@ -1771,6 +1771,7 @@ _cpp_save_file_entries (cpp_reader *pfile, FILE *fp)
struct pchf_data *result;
size_t result_size;
_cpp_file *f;
bool ret;
for (f = pfile->all_files; f; f = f->next_file)
++count;
@ -1827,7 +1828,9 @@ _cpp_save_file_entries (cpp_reader *pfile, FILE *fp)
qsort (result->entries, result->count, sizeof (struct pchf_entry),
pchf_save_compare);
return fwrite (result, result_size, 1, fp) == 1;
ret = fwrite (result, result_size, 1, fp) == 1;
free (result);
return ret;
}
/* Read the pchf_data structure from F. */

14
libcpp/pch.c
View File

@ -187,6 +187,16 @@ cpp_string_eq (const void *a_p, const void *b_p)
&& memcmp (a->text, b->text, a->len) == 0);
}
/* Free memory associated with cpp_string. */
static void
cpp_string_free (void *a_p)
{
struct cpp_string *a = (struct cpp_string *) a_p;
free ((void *) a->text);
free (a);
}
/* Save the current definitions of the cpp_reader for dependency
checking purposes. When writing a precompiled header, this should
be called at the same point in the compilation as cpp_valid_state
@ -198,7 +208,7 @@ cpp_save_state (cpp_reader *r, FILE *f)
/* Save the list of non-void identifiers for the dependency checking. */
r->savedstate = XNEW (struct cpp_savedstate);
r->savedstate->definedhash = htab_create (100, cpp_string_hash,
cpp_string_eq, NULL);
cpp_string_eq, cpp_string_free);
cpp_forall_identifiers (r, save_idents, r->savedstate);
/* Write out the list of defined identifiers. */
@ -336,6 +346,8 @@ cpp_write_pch_deps (cpp_reader *r, FILE *f)
return -1;
}
free (ss->definedstrs);
free (ss->defs);
htab_delete (ss->definedhash);
/* Free the saved state. */
free (ss);