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authorUlrich Drepper <drepper@redhat.com>2000-06-07 16:35:57 +0000
committerUlrich Drepper <drepper@redhat.com>2000-06-07 16:35:57 +0000
commit3a31f6f4092d33132669bde62141b0000d06fc68 (patch)
tree59156e88adc41e51b688d0c2788ca5e530bd8eb8 /locale/loadlocale.c
parentd5bc737a32bc409066a717cf517bfebe3daa6013 (diff)
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Add __builtin_expect in many places.
Diffstat (limited to 'locale/loadlocale.c')
-rw-r--r--locale/loadlocale.c36
1 files changed, 19 insertions, 17 deletions
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