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authorUlrich Drepper <drepper@redhat.com>2003-12-31 22:46:53 +0000
committerUlrich Drepper <drepper@redhat.com>2003-12-31 22:46:53 +0000
commita31f867a42e8dd7a92e58f70b73366e0a3677f57 (patch)
tree3d121d1903b77603a770852988ad4c3e734f8699
parent520ec963af2e012caa5609ad2fac041f6e7af6d7 (diff)
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Update.
* locale/setlocale.c (setlocale): Avoid duplicating locale names if we can reuse old strings.
-rw-r--r--ChangeLog3
-rw-r--r--linuxthreads/ChangeLog6
-rw-r--r--linuxthreads/attr.c15
-rw-r--r--locale/setlocale.c21
4 files changed, 33 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index bb64d54..158dc1a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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.
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index f0f299a..147811f 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -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.
diff --git a/linuxthreads/attr.c b/linuxthreads/attr.c
index 80f5249..a88fdb9 100644
--- a/linuxthreads/attr.c
+++ b/linuxthreads/attr.c
@@ -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);
diff --git a/locale/setlocale.c b/locale/setlocale.c
index 9f6e9643..d012d02 100644
--- a/locale/setlocale.c
+++ b/locale/setlocale.c
@@ -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. */