diff options
| -rw-r--r-- | ChangeLog | 11 | ||||
| -rw-r--r-- | intl/dcigettext.c | 35 | ||||
| -rw-r--r-- | intl/loadmsgcat.c | 4 |
3 files changed, 44 insertions, 6 deletions
@@ -1,3 +1,12 @@ +2007-09-24 Ulrich Drepper <drepper@redhat.com> + + [BZ #5058] + * intl/gettextP.h (struct loaded_domain): Add conversions_lock member. + * intl/loadmsgcat.c (_nl_load_domain): Initialize conversions_lock. + (_nl_unload_domain): Finalize conversions_lock. + * intl/dcigettext.c (_nl_find_msg): Take conversions_lock before + handling table of known conversions. + 2007-09-24 Jakub Jelinek <jakub@redhat.com> * sysdeps/posix/getaddrinfo.c (getaddrinfo): Use @@ -6,7 +15,7 @@ 2007-09-13 Aurelien Jarno <aurelien@aurel32.net> [BZ #5028] - * posix/regcomp.c (lookup_collation_sequence_value): check that + * posix/regcomp.c (lookup_collation_sequence_value): Check that nrules != 0 for multibyte chars. 2007-09-23 Ulrich Drepper <drepper@redhat.com> diff --git a/intl/dcigettext.c b/intl/dcigettext.c index ad2835f..55dcaab 100644 --- a/intl/dcigettext.c +++ b/intl/dcigettext.c @@ -850,6 +850,9 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp) /* We are supposed to do a conversion. */ const char *encoding = get_output_charset (domainbinding); + /* Protect against reallocation of the table. */ + __libc_rwlock_rdlock (domain->conversions_lock); + /* Search whether a table with converted translations for this encoding has already been allocated. */ size_t nconversions = domain->nconversions; @@ -866,8 +869,25 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp) } } + __libc_rwlock_unlock (domain->conversions_lock); + if (convd == NULL) { + /* We have to allocate a new conversions table. */ + __libc_rwlock_wrlock (domain->conversions_lock); + + /* Maybe in the meantime somebody added the translation. + Recheck. */ + for (i = nconversions; i > 0; ) + { + i--; + if (strcmp (domain->conversions[i].encoding, encoding) == 0) + { + convd = &domain->conversions[i]; + goto found_convd; + } + } + /* Allocate a table for the converted translations for this encoding. */ struct converted_domain *new_conversions = @@ -876,9 +896,13 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp) (nconversions + 1) * sizeof (struct converted_domain)); if (__builtin_expect (new_conversions == NULL, 0)) - /* Nothing we can do, no more memory. We cannot use the - translation because it might be encoded incorrectly. */ - return (char *) -1; + { + /* Nothing we can do, no more memory. We cannot use the + translation because it might be encoded incorrectly. */ + unlock_fail: + __libc_rwlock_unlock (domain->conversions_lock); + return (char *) -1; + } domain->conversions = new_conversions; @@ -887,7 +911,7 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp) if (__builtin_expect (encoding == NULL, 0)) /* Nothing we can do, no more memory. We cannot use the translation because it might be encoded incorrectly. */ - return (char *) -1; + goto unlock_fail; convd = &new_conversions[nconversions]; convd->encoding = encoding; @@ -989,6 +1013,9 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp) convd->conv_tab = NULL; /* Here domain->conversions is still == new_conversions. */ domain->nconversions++; + + found_convd: + __libc_rwlock_unlock (domain->conversions_lock); } if ( diff --git a/intl/loadmsgcat.c b/intl/loadmsgcat.c index 1c47475..537fd60 100644 --- a/intl/loadmsgcat.c +++ b/intl/loadmsgcat.c @@ -1,5 +1,5 @@ /* Load needed message catalogs. - Copyright (C) 1995-2005 Free Software Foundation, Inc. + Copyright (C) 1995-2005, 2007 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 @@ -1252,6 +1252,7 @@ _nl_load_domain (domain_file, domainbinding) /* No caches of converted translations so far. */ domain->conversions = NULL; domain->nconversions = 0; + __libc_rwlock_init (domain->conversions_lock); /* Get the header entry and look for a plural specification. */ nullentry = _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen); @@ -1290,6 +1291,7 @@ _nl_unload_domain (domain) } if (domain->conversions != NULL) free (domain->conversions); + __libc_rwlock_fini (domain->conversions_lock); if (domain->malloced) free (domain->malloced); |