diff options
| -rw-r--r-- | ChangeLog | 17 | ||||
| -rw-r--r-- | libio/Makefile | 16 | ||||
| -rw-r--r-- | libio/iofclose.c | 15 | ||||
| -rw-r--r-- | libio/tst-wfile-ascii.c | 56 | ||||
| -rw-r--r-- | libio/tst-wfile-gconv.c | 36 | ||||
| -rw-r--r-- | wcsmbs/wcsmbsload.c | 10 | ||||
| -rw-r--r-- | wcsmbs/wcsmbsload.h | 1 |
7 files changed, 143 insertions, 8 deletions
@@ -1,3 +1,20 @@ +2019-05-21 Florian Weimer <fweimer@redhat.com> + + [BZ #24583] + * wcsmbs/wcsmbsload.h (__wcsmbs_close_conv): Declare. + * wcsmbs/wcsmbsload.c (__wcsmbs_close_conv): Define. + * libio/iofclose.c (_IO_new_fclose): Call __wcsmbs_close_conv + instead of __gconv_release_step. + * libio/Makefile (tests): Add tst-wfile-gconv. + (tests-container): Add tst-wfile-ascii. + (tst-wfile-gconv-ENV): Enable mtrace. + (generated): Add tst-wfile-gconv.mtrace, tst-wfile-gconv.check. + (tests-special): Add tst-wfile-gconv-mem.out. + (tst-wfile-gconv.out): Depend on locales. + (tst-wfile-gconv-mem.out): Add mtrace rule. + * libio/tst-wfile-ascii.c: New file. + * libio/tst-wfile-gconv.c: Likewise. + 2019-05-20 Florian Weimer <fweimer@redhat.com> [BZ #24588] diff --git a/libio/Makefile b/libio/Makefile index a5236c7042..7d53cb06b0 100644 --- a/libio/Makefile +++ b/libio/Makefile @@ -66,7 +66,11 @@ tests = tst_swprintf tst_wprintf tst_swscanf tst_wscanf tst_getwc tst_putwc \ tst-fwrite-error tst-ftell-partial-wide tst-ftell-active-handler \ tst-ftell-append tst-fputws tst-bz22415 tst-fgetc-after-eof \ tst-sprintf-ub tst-sprintf-chk-ub tst-bz24051 tst-bz24153 \ - tst-wfile-sync + tst-wfile-sync tst-wfile-gconv + +# This test tests interaction with the gconv cache. Setting +# GCONV_CACHE during out-of-container testing disables the cache. +tests-container += tst-wfile-ascii tests-internal = tst-vtables tst-vtables-interposed tst-readline @@ -163,10 +167,12 @@ tst_wprintf2-ARGS = "Some Text" test-fmemopen-ENV = MALLOC_TRACE=$(objpfx)test-fmemopen.mtrace tst-fopenloc-ENV = MALLOC_TRACE=$(objpfx)tst-fopenloc.mtrace tst-bz22415-ENV = MALLOC_TRACE=$(objpfx)tst-bz22415.mtrace +tst-wfile-gconv-ENV = MALLOC_TRACE=$(objpfx)tst-wfile-gconv.mtrace generated += test-fmemopen.mtrace test-fmemopen.check generated += tst-fopenloc.mtrace tst-fopenloc.check generated += tst-bz22415.mtrace tst-bz22415.check +generated += tst-wfile-gconv.mtrace tst-wfile-gconv.check aux := fileops genops stdfiles stdio strops @@ -181,7 +187,8 @@ shared-only-routines = oldiofopen oldiofdopen oldiofclose oldfileops \ ifeq ($(run-built-tests),yes) tests-special += $(objpfx)test-freopen.out $(objpfx)test-fmemopen-mem.out \ - $(objpfx)tst-bz22415-mem.out + $(objpfx)tst-bz22415-mem.out \ + $(objpfx)tst-wfile-gconv-mem.out ifeq (yes,$(build-shared)) # Run tst-fopenloc-cmp.out and tst-openloc-mem.out only if shared # library is enabled since they depend on tst-fopenloc.out. @@ -214,6 +221,7 @@ $(objpfx)tst-ungetwc2.out: $(gen-locales) $(objpfx)tst-widetext.out: $(gen-locales) $(objpfx)tst_wprintf2.out: $(gen-locales) $(objpfx)tst-wfile-sync.out: $(gen-locales) +$(objpfx)tst-wfile-gconv.out: $(gen-locales) endif $(objpfx)test-freopen.out: test-freopen.sh $(objpfx)test-freopen @@ -237,3 +245,7 @@ $(objpfx)tst-fopenloc-mem.out: $(objpfx)tst-fopenloc.out $(objpfx)tst-bz22415-mem.out: $(objpfx)tst-bz22415.out $(common-objpfx)malloc/mtrace $(objpfx)tst-bz22415.mtrace > $@; \ $(evaluate-test) + +$(objpfx)tst-wfile-gconv-mem.out: $(objpfx)tst-wfile-gconv.out + $(common-objpfx)malloc/mtrace $(objpfx)tst-wfile-gconv.mtrace > $@; \ + $(evaluate-test) diff --git a/libio/iofclose.c b/libio/iofclose.c index 8a80dd0b78..c03c6cf57c 100644 --- a/libio/iofclose.c +++ b/libio/iofclose.c @@ -26,8 +26,8 @@ #include "libioP.h" #include <stdlib.h> -#include "../iconv/gconv_int.h" #include <shlib-compat.h> +#include <wcsmbs/wcsmbsload.h> int _IO_new_fclose (FILE *fp) @@ -60,11 +60,14 @@ _IO_new_fclose (FILE *fp) /* This stream has a wide orientation. This means we have to free the conversion functions. */ struct _IO_codecvt *cc = fp->_codecvt; - - __libc_lock_lock (__gconv_lock); - __gconv_release_step (cc->__cd_in.__cd.__steps); - __gconv_release_step (cc->__cd_out.__cd.__steps); - __libc_lock_unlock (__gconv_lock); + struct gconv_fcts conv = + { + .towc = cc->__cd_in.__cd.__steps, + .towc_nsteps = cc->__cd_in.__cd.__nsteps, + .tomb = cc->__cd_out.__cd.__steps, + .tomb_nsteps = cc->__cd_out.__cd.__nsteps, + }; + __wcsmbs_close_conv (&conv); } else { diff --git a/libio/tst-wfile-ascii.c b/libio/tst-wfile-ascii.c new file mode 100644 index 0000000000..7514289a7b --- /dev/null +++ b/libio/tst-wfile-ascii.c @@ -0,0 +1,56 @@ +/* Test ASCII gconv module followed by cache initialization. + Copyright (C) 2019 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <support/check.h> +#include <support/support.h> +#include <support/xstdio.h> +#include <wchar.h> + +static int +do_test (void) +{ + /* The test-in-container framework sets these environment variables. + The presence of GCONV_PATH invalidates this test. */ + unsetenv ("GCONV_PATH"); + unsetenv ("LOCPATH"); + + /* Create the gconv module cache. iconvconfig is in /sbin, which is + not on PATH. */ + { + char *iconvconfig = xasprintf ("%s/iconvconfig", support_sbindir_prefix); + TEST_COMPARE (system (iconvconfig), 0); + } + + /* Use built-in ASCII gconv module, without triggering cache + initialization. */ + FILE *fp1 = xfopen ("/dev/zero", "r"); + TEST_COMPARE (fwide (fp1, 1), 1); + + /* Use non-ASCII gconv module and trigger gconv cache + initialization. */ + FILE *fp2 = xfopen ("/dev/zero", "r,ccs=UTF-8"); + TEST_COMPARE (fwide (fp2, 0), 1); + + xfclose (fp1); + xfclose (fp2); + + return 0; +} + +#include <support/test-driver.c> diff --git a/libio/tst-wfile-gconv.c b/libio/tst-wfile-gconv.c new file mode 100644 index 0000000000..de603b32d2 --- /dev/null +++ b/libio/tst-wfile-gconv.c @@ -0,0 +1,36 @@ +/* Test that non-built-in gconv modules do not cause memory leak (bug 24583). + Copyright (C) 2019 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <locale.h> +#include <mcheck.h> +#include <support/check.h> +#include <support/xstdio.h> + +static int +do_test (void) +{ + mtrace (); + + TEST_VERIFY_EXIT (setlocale (LC_ALL, "ja_JP.EUC-JP") != NULL); + xfclose (xfopen ("/etc/passwd", "r,ccs=UTF-8")); + xfclose (xfopen ("/etc/passwd", "r")); + + return 0; +} + +#include <support/test-driver.c> diff --git a/wcsmbs/wcsmbsload.c b/wcsmbs/wcsmbsload.c index 5494d0a23e..10e1a4f4f5 100644 --- a/wcsmbs/wcsmbsload.c +++ b/wcsmbs/wcsmbsload.c @@ -265,3 +265,13 @@ _nl_cleanup_ctype (struct __locale_data *locale) free ((char *) data); } } + +/* Free the specified conversion functions (but not CONV itself). */ +void +__wcsmbs_close_conv (struct gconv_fcts *conv) +{ + if (conv->towc != &to_wc) + __gconv_close_transform (conv->towc, conv->towc_nsteps); + if (conv->tomb != &to_mb) + __gconv_close_transform (conv->tomb, conv->tomb_nsteps); +} diff --git a/wcsmbs/wcsmbsload.h b/wcsmbs/wcsmbsload.h index 6ccad4b3ba..c2fffbd914 100644 --- a/wcsmbs/wcsmbsload.h +++ b/wcsmbs/wcsmbsload.h @@ -51,6 +51,7 @@ extern int __wcsmbs_named_conv (struct gconv_fcts *copy, const char *name) /* Function used for the `private.cleanup' hook. */ extern void _nl_cleanup_ctype (struct __locale_data *) attribute_hidden; +extern void __wcsmbs_close_conv (struct gconv_fcts *conv) attribute_hidden; #include <iconv/gconv_int.h> |