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author | Jakub Jelinek <jakub@redhat.com> | 2013-03-01 22:06:04 +0100 |
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committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2013-03-01 22:06:04 +0100 |
commit | 3b8af25b7ad47b31463046af1f244ad7af5900a9 (patch) | |
tree | 78997fd39595c6ea1728a0697ea35af66c6f87b7 /libcpp | |
parent | 689eaba3227c8616894de845d38ef9c8e10de9a1 (diff) | |
download | gcc-3b8af25b7ad47b31463046af1f244ad7af5900a9.tar.gz |
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
Diffstat (limited to 'libcpp')
-rw-r--r-- | libcpp/ChangeLog | 8 | ||||
-rw-r--r-- | libcpp/files.c | 5 | ||||
-rw-r--r-- | libcpp/pch.c | 14 |
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); |