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* locale/setlocale.c (setlocale): Avoid duplicating locale names
	if we can reuse old strings.
This commit is contained in:
Ulrich Drepper 2003-12-31 22:46:53 +00:00
parent 520ec963af
commit a31f867a42
4 changed files with 33 additions and 12 deletions
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3
ChangeLog
View File

@ -1,5 +1,8 @@
2003-12-31 Ulrich Drepper <drepper@redhat.com>
* locale/setlocale.c (setlocale): Avoid duplicating locale names
if we can reuse old strings.
* inet/rcmd.c: Provide better error message in case of unknown
host. Remove USE_IN_LIBIO.

6
linuxthreads/ChangeLog
View File

@ -1,3 +1,9 @@
2003-12-31 Ulrich Drepper <drepper@redhat.com>
* attr.c (pthread_getattr_np): Make sure stack info returned for
main thread does not overlap with any other VMA.
Patch by Jakub Jelinek.
2003-12-29 Jakub Jelinek <jakub@redhat.com>
* sysdeps/ia64/tls.h: Include dl-sysdep.h.

15
linuxthreads/attr.c
View File

@ -441,6 +441,7 @@ int pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
char *line = NULL;
size_t linelen = 0;
uintptr_t last_to = 0;
while (! feof_unlocked (fp))
{
@ -449,8 +450,9 @@ int pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
uintptr_t from;
uintptr_t to;
if (sscanf (line, "%" SCNxPTR "-%" SCNxPTR, &from, &to) == 2
&& from <= (uintptr_t) __libc_stack_end
if (sscanf (line, "%" SCNxPTR "-%" SCNxPTR, &from, &to) != 2)
continue;
if (from <= (uintptr_t) __libc_stack_end
&& (uintptr_t) __libc_stack_end < to)
{
/* Found the entry. Now we have the info we need. */
@ -461,16 +463,17 @@ int pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
#else
attr->__stackaddr = (void *) to;
/* The limit might be too high. This is a bogus
situation but try to avoid making it worse. */
if ((size_t) attr->__stacksize > (size_t) attr->__stackaddr)
attr->__stacksize = (size_t) attr->__stackaddr;
/* The limit might be too high. */
if ((size_t) attr->__stacksize
> (size_t) attr->__stackaddr - last_to)
attr->__stacksize = (size_t) attr->__stackaddr - last_to;
#endif
/* We succeed and no need to look further. */
ret = 0;
break;
}
last_to = to;
}
fclose (fp);

21
locale/setlocale.c
View File

@ -322,17 +322,25 @@ setlocale (int category, const char *locale)
break;
}
/* We must not simply free a global locale since we have no
control over the usage. So we mark it as un-deletable. */
/* We must not simply free a global locale since we have
no control over the usage. So we mark it as
un-deletable. And yes, the 'if' is needed, the data
might be in read-only memory. */
if (newdata[category]->usage_count != UNDELETABLE)
newdata[category]->usage_count = UNDELETABLE;
/* Make a copy of locale name. */
if (newnames[category] != _nl_C_name)
{
newnames[category] = __strdup (newnames[category]);
if (newnames[category] == NULL)
break;
if (strcmp (newnames[category],
_nl_global_locale.__names[category]) == 0)
newnames[category] = _nl_global_locale.__names[category];
else
{
newnames[category] = __strdup (newnames[category]);
if (newnames[category] == NULL)
break;
}
}
}
@ -356,7 +364,8 @@ setlocale (int category, const char *locale)
}
else
for (++category; category < __LC_LAST; ++category)
if (category != LC_ALL && newnames[category] != _nl_C_name)
if (category != LC_ALL && newnames[category] != _nl_C_name
&& newnames[category] != _nl_global_locale.__names[category])
free ((char *) newnames[category]);
/* Critical section left. */