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authorUlrich Drepper <drepper@redhat.com>2004-05-20 21:55:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-05-20 21:55:10 +0000
commit558c29547b2ea7530b116d48ba646dbf5226e021 (patch)
tree5cc9ce6a4ae4226493d69cdb90670682b72dcc7a /malloc/obstack.c
parentafe01786d9aedc3e18cb97295a1d622b73997866 (diff)
downloadglibc-558c29547b2ea7530b116d48ba646dbf5226e021.tar.gz
Update.
2004-05-20 Paul Eggert <eggert@cs.ucla.edu> * malloc/obstack.c (_obstack) [!defined _LIBC]: Remove; not used. Add comment explaining why libc still defines it.
Diffstat (limited to 'malloc/obstack.c')
-rw-r--r--malloc/obstack.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/malloc/obstack.c b/malloc/obstack.c
index 47a4b16b53..4b3ccda906 100644
--- a/malloc/obstack.c
+++ b/malloc/obstack.c
@@ -95,10 +95,12 @@ int obstack_exit_failure = EXIT_FAILURE;
# define obstack_exit_failure exit_failure
# endif
-/* The non-GNU-C macros copy the obstack into this global variable
- to avoid multiple evaluation. */
-
+# ifdef _LIBC
+/* A looong time ago (before 1994, anyway; we're not sure) this global variable
+ was used by non-GNU-C macros to avoid multiple evaluation. The GNU C
+ library still exports it because somebody might use it. */
struct obstack *_obstack;
+# endif
/* Define a macro that either calls functions with the traditional malloc/free
calling interface, or calls functions with the mmalloc/mfree interface