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authorUlrich Drepper <drepper@redhat.com>2000-08-31 07:34:24 +0000
committerUlrich Drepper <drepper@redhat.com>2000-08-31 07:34:24 +0000
commitfbcc0996a825f961bf7669fa54b58027b0e663ec (patch)
tree75de2568086dce82039eaef60af17e19a00d4ef0 /malloc
parentb2fe29ddb550a0f8c6d92b6d4467dd8f0bc1f1c8 (diff)
downloadglibc-fbcc0996a825f961bf7669fa54b58027b0e663ec.tar.gz
Update.
2000-08-31 Ulrich Drepper <drepper@redhat.com> * malloc/malloc.c (ptmalloc_init): Optimize a bit by not calling __secure_getenv. Instead test __libc_enable_secure once. * io/pwd.c (main): Provide a good example, use *_unlocked function.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/malloc.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 6db66298bc..46a4db221d 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -314,10 +314,6 @@ extern char* getenv();
# endif
#endif
-#ifndef _LIBC
-# define __secure_getenv(Str) getenv (Str)
-#endif
-
/* Macros for handling mutexes and thread-specific data. This is
included early, because some thread-related header files (such as
pthread.h) should be included before any others. */
@@ -1680,6 +1676,7 @@ ptmalloc_init __MALLOC_P((void))
char* s;
# endif
#endif
+ int secure;
if(__malloc_initialized >= 0) return;
__malloc_initialized = 0;
@@ -1708,20 +1705,24 @@ ptmalloc_init __MALLOC_P((void))
tsd_setspecific(arena_key, (Void_t *)&main_arena);
thread_atfork(ptmalloc_lock_all, ptmalloc_unlock_all, ptmalloc_init_all);
#if defined _LIBC || defined MALLOC_HOOKS
- if((s = __secure_getenv("MALLOC_TRIM_THRESHOLD_")))
- mALLOPt(M_TRIM_THRESHOLD, atoi(s));
- if((s = __secure_getenv("MALLOC_TOP_PAD_")))
- mALLOPt(M_TOP_PAD, atoi(s));
- if((s = __secure_getenv("MALLOC_MMAP_THRESHOLD_")))
- mALLOPt(M_MMAP_THRESHOLD, atoi(s));
- if((s = __secure_getenv("MALLOC_MMAP_MAX_")))
- mALLOPt(M_MMAP_MAX, atoi(s));
- s = getenv("MALLOC_CHECK_");
#ifndef NO_THREADS
__malloc_hook = save_malloc_hook;
__free_hook = save_free_hook;
#endif
- if(s && (! __libc_enable_secure || access ("/etc/suid-debug", F_OK) == 0)) {
+ secure = __libc_enable_secure;
+ if (! secure)
+ {
+ if((s = getenv("MALLOC_TRIM_THRESHOLD_")))
+ mALLOPt(M_TRIM_THRESHOLD, atoi(s));
+ if((s = getenv("MALLOC_TOP_PAD_")))
+ mALLOPt(M_TOP_PAD, atoi(s));
+ if((s = getenv("MALLOC_MMAP_THRESHOLD_")))
+ mALLOPt(M_MMAP_THRESHOLD, atoi(s));
+ if((s = getenv("MALLOC_MMAP_MAX_")))
+ mALLOPt(M_MMAP_MAX, atoi(s));
+ }
+ s = getenv("MALLOC_CHECK_");
+ if(s && (! secure || access ("/etc/suid-debug", F_OK) == 0)) {
if(s[0]) mALLOPt(M_CHECK_ACTION, (int)(s[0] - '0'));
__malloc_check_init();
}