diff options
| -rw-r--r-- | locale/findlocale.c | 13 | ||||
| -rw-r--r-- | locale/loadlocale.c | 36 |
2 files changed, 26 insertions, 23 deletions
diff --git a/locale/findlocale.c b/locale/findlocale.c index 60d318b..f0c911d 100644 --- a/locale/findlocale.c +++ b/locale/findlocale.c @@ -57,7 +57,7 @@ _nl_find_locale (const char *locale_path, size_t locale_path_len, if ((*name)[0] == '\0' /* In SUID binaries we must not allow people to access files outside the dedicated locale directories. */ - || (__libc_enable_secure + || (__builtin_expect (__libc_enable_secure, 0) && memchr (*name, '/', _nl_find_language (*name) - *name) != NULL)) { /* The user decides which locale to use by setting environment @@ -71,7 +71,8 @@ _nl_find_locale (const char *locale_path, size_t locale_path_len, *name = (char *) _nl_C_name; } - if (strcmp (*name, _nl_C_name) == 0 || strcmp (*name, _nl_POSIX_name) == 0) + if (__builtin_expect (strcmp (*name, _nl_C_name), 1) == 0 + || __builtin_expect (strcmp (*name, _nl_POSIX_name), 1) == 0) { /* We need not load anything. The needed data is contained in the library itself. */ @@ -159,10 +160,10 @@ _nl_find_locale (const char *locale_path, size_t locale_path_len, successors. */ locale_file->successor[0] = locale_file->successor[cnt]; locale_file = locale_file->successor[cnt]; - } - if (locale_file == NULL) - return NULL; + if (locale_file == NULL) + return NULL; + } /* Determine the locale name for which loading succeeded. This information comes from the file name. The form is @@ -214,7 +215,7 @@ _nl_remove_locale (int locale, struct locale_data *data) #ifdef _POSIX_MAPPED_FILES /* Really delete the data. First delete the real data. */ - if (data->mmaped) + if (__builtin_expect (data->mmaped, 1)) { /* Try to unmap the area. If this fails we mark the area as permanent. */ diff --git a/locale/loadlocale.c b/locale/loadlocale.c index c2d5b89..cc454ab 100644 --- a/locale/loadlocale.c +++ b/locale/loadlocale.c @@ -78,13 +78,13 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) file->data = NULL; fd = __open (file->filename, O_RDONLY); - if (fd < 0) + if (__builtin_expect (fd, 0) < 0) /* Cannot open the file. */ return; - if (__fstat (fd, &st) < 0) + if (__builtin_expect (__fstat (fd, &st), 0) < 0) goto puntfd; - if (S_ISDIR (st.st_mode)) + if (__builtin_expect (S_ISDIR (st.st_mode), 0)) { /* LOCALE/LC_foo is a directory; open LOCALE/LC_foo/SYS_LC_foo instead. */ @@ -102,10 +102,10 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) _nl_category_name_sizes[category] + 1); fd = __open (newp, O_RDONLY); - if (fd < 0) + if (__builtin_expect (fd, 0) < 0) return; - if (__fstat (fd, &st) < 0) + if (__builtin_expect (__fstat (fd, &st), 0) < 0) goto puntfd; } @@ -126,15 +126,15 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) # endif filedata = (void *) __mmap ((caddr_t) 0, st.st_size, PROT_READ, MAP_FILE|MAP_COPY|MAP_INHERIT, fd, 0); - if ((void *) filedata != MAP_FAILED) + if (__builtin_expect ((void *) filedata != MAP_FAILED, 1)) { - if (st.st_size < sizeof (*filedata)) + if (__builtin_expect (st.st_size < sizeof (*filedata), 0)) /* This cannot be a locale data file since it's too small. */ goto puntfd; } else { - if (errno == ENOSYS) + if (__builtin_expect (errno, ENOSYS) == ENOSYS) { #endif /* _POSIX_MAPPED_FILES */ /* No mmap; allocate a buffer and read from the file. */ @@ -148,7 +148,7 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) while (to_read > 0) { nread = __read (fd, p, to_read); - if (nread <= 0) + if (__builtin_expect (nread, 1) <= 0) { free (filedata); if (nread == 0) @@ -169,7 +169,7 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) } #endif /* _POSIX_MAPPED_FILES */ - if (filedata->magic != LIMAGIC (category)) + if (__builtin_expect (filedata->magic != LIMAGIC (category), 0)) /* Bad data file in either byte order. */ { puntmap: @@ -181,9 +181,11 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) return; } - if (filedata->nstrings < _nl_category_num_items[category] || - (sizeof *filedata + filedata->nstrings * sizeof (unsigned int) - >= (size_t) st.st_size)) + if (__builtin_expect (filedata->nstrings < _nl_category_num_items[category], + 0) + || (__builtin_expect (sizeof *filedata + + filedata->nstrings * sizeof (unsigned int) + >= (size_t) st.st_size, 0))) { /* Insufficient data. */ __set_errno (EINVAL); @@ -192,7 +194,7 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) newdata = malloc (sizeof *newdata + filedata->nstrings * sizeof (union locale_data_value)); - if (! newdata) + if (newdata == NULL) goto puntmap; newdata->name = NULL; /* This will be filled if necessary in findlocale.c. */ @@ -204,13 +206,13 @@ _nl_load_locale (struct loaded_l10nfile *file, int category) for (cnt = 0; cnt < newdata->nstrings; ++cnt) { off_t idx = filedata->strindex[cnt]; - if (idx > newdata->filesize) + if (__builtin_expect (idx > newdata->filesize, 0)) { free (newdata); __set_errno (EINVAL); goto puntmap; } - if (_nl_value_types[category][cnt] == word) + if (__builtin_expect (_nl_value_types[category][cnt] == word, 0)) newdata->values[cnt].word = *((u_int32_t *) (newdata->filedata + idx)); else newdata->values[cnt].string = newdata->filedata + idx; @@ -224,7 +226,7 @@ void _nl_unload_locale (struct locale_data *locale) { #ifdef _POSIX_MAPPED_FILES - if (locale->mmaped) + if (__builtin_expect (locale->mmaped, 1)) __munmap ((caddr_t) locale->filedata, locale->filesize); else #endif |