summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2013-03-01 22:06:04 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2013-03-01 22:06:04 +0100
commit3b8af25b7ad47b31463046af1f244ad7af5900a9 (patch)
tree78997fd39595c6ea1728a0697ea35af66c6f87b7
parent689eaba3227c8616894de845d38ef9c8e10de9a1 (diff)
re PR middle-end/56461 (GCC is leaking lots of memory)
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
-rw-r--r--libcpp/ChangeLog8
-rw-r--r--libcpp/files.c5
-rw-r--r--libcpp/pch.c14
3 files changed, 25 insertions, 2 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 934db6a08cd..3d8473dabb6 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -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
diff --git a/libcpp/files.c b/libcpp/files.c
index a614b7cebed..dae5526997f 100644
--- a/libcpp/files.c
+++ b/libcpp/files.c
@@ -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. */
diff --git a/libcpp/pch.c b/libcpp/pch.c
index 94e5d21ab7a..6270bda53ed 100644
--- a/libcpp/pch.c
+++ b/libcpp/pch.c
@@ -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);