Update.
authorUlrich Drepper <drepper@redhat.com>
Sun, 1 Jun 2003 08:52:38 +0000 (08:52 +0000)
committerUlrich Drepper <drepper@redhat.com>
Sun, 1 Jun 2003 08:52:38 +0000 (08:52 +0000)
2003-06-01  Ulrich Drepper  <drepper@redhat.com>

* elf/Makefile (CFLAGS-dl-runtime.c): Define.

* wcsmbs/wcpncpy.c (__wcpncpy): Fix broken implementation to match
stpncpy.

ChangeLog
elf/Makefile
manual/string.texi
nptl/ChangeLog
nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
wcsmbs/wcpncpy.c

index 3ca7aa9..0139b51 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2003-06-01  Ulrich Drepper  <drepper@redhat.com>
+
+       * elf/Makefile (CFLAGS-dl-runtime.c): Define.
+
+       * wcsmbs/wcpncpy.c (__wcpncpy): Fix broken implementation to match
+       stpncpy.
+
 2003-05-31  Ulrich Drepper  <drepper@redhat.com>
 
        * sysdeps/unix/sysv/linux/ia64/bits/sigaction.h (SA_NOCLDWAIT): Define.
index c557bd8..003f77e 100644 (file)
@@ -82,6 +82,8 @@ distribute    := rtld-Rules \
                   tst-array2dep.c \
                   check-textrel.c dl-sysdep.h
 
+CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
+
 include ../Makeconfig
 
 ifeq ($(unwind-find-fde),yes)
index 872916b..2194159 100644 (file)
@@ -708,9 +708,9 @@ This function is similar to @code{wcpcpy} but copies always exactly
 
 If the length of @var{wfrom} is more then @var{size}, then
 @code{wcpncpy} copies just the first @var{size} wide characters and
-returns a pointer to the wide character directly following the one which
-was copied last.  Note that in this case there is no null terminator
-written into @var{wto}.
+returns a pointer to the wide character directly following the last
+non-null wide character which was copied last.  Note that in this case
+there is no null terminator written into @var{wto}.
 
 If the length of @var{wfrom} is less than @var{size}, then @code{wcpncpy}
 copies all of @var{wfrom}, followed by enough null characters to add up
index cc9c94d..f3cd107 100644 (file)
        Likewise.
        * sysdeps/unix/sysv/linux/s390/sem_timedwait.c (sem_timedwait):
        Likewise.
+       * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (lll_timedwait_tid):
+       Likewise.
+       * sysdeps/unix/sysv/linux/sh/lowlevellock.h (lll_timedwait_tid):
+       Likewise.
 
        * Makefile (tests): Add tst-sem8 and tst-sem9.
        * tst-sem8.c: New file.
index 8ac8416..4a392e8 100644 (file)
@@ -148,34 +148,34 @@ typedef int lll_lock_t;
 # endif
 
 #define lll_futex_wait(futex, val) \
-  do { \
-    int __ignore; \
-    register unsigned long __r3 asm ("r3") = SYS_futex; \
-    register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \
-    register unsigned long __r5 asm ("r5") = FUTEX_WAIT; \
-    register unsigned long __r6 asm ("r6") = (unsigned long) (val); \
-    register unsigned long __r7 asm ("r7") = 0; \
-    __asm __volatile (SYSCALL_WITH_INST_PAD \
-                     : "=z" (__ignore) \
-                     : "r" (__r3), "r" (__r4), "r" (__r5), \
-                       "r" (__r6), "r" (__r7) \
-                     : "memory", "t"); \
+  do {                                                                       \
+    int __ignore;                                                            \
+    register unsigned long __r3 asm ("r3") = SYS_futex;                              \
+    register unsigned long __r4 asm ("r4") = (unsigned long) (futex);        \
+    register unsigned long __r5 asm ("r5") = FUTEX_WAIT;                     \
+    register unsigned long __r6 asm ("r6") = (unsigned long) (val);          \
+    register unsigned long __r7 asm ("r7") = 0;                                      \
+    __asm __volatile (SYSCALL_WITH_INST_PAD                                  \
+                     : "=z" (__ignore)                                       \
+                     : "r" (__r3), "r" (__r4), "r" (__r5),                   \
+                       "r" (__r6), "r" (__r7)                                \
+                     : "memory", "t");                                       \
   } while (0)
 
 
 #define lll_futex_wake(futex, nr) \
-  do { \
-    int __ignore; \
-    register unsigned long __r3 asm ("r3") = SYS_futex; \
-    register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \
-    register unsigned long __r5 asm ("r5") = FUTEX_WAKE; \
-    register unsigned long __r6 asm ("r6") = (unsigned long) (nr); \
-    register unsigned long __r7 asm ("r7") = 0; \
-    __asm __volatile (SYSCALL_WITH_INST_PAD \
-                     : "=z" (__ignore) \
-                     : "r" (__r3), "r" (__r4), "r" (__r5), \
-                       "r" (__r6), "r" (__r7) \
-                     : "memory", "t"); \
+  do {                                                                       \
+    int __ignore;                                                            \
+    register unsigned long __r3 asm ("r3") = SYS_futex;                              \
+    register unsigned long __r4 asm ("r4") = (unsigned long) (futex);        \
+    register unsigned long __r5 asm ("r5") = FUTEX_WAKE;                     \
+    register unsigned long __r6 asm ("r6") = (unsigned long) (nr);           \
+    register unsigned long __r7 asm ("r7") = 0;                                      \
+    __asm __volatile (SYSCALL_WITH_INST_PAD                                  \
+                     : "=z" (__ignore)                                       \
+                     : "r" (__r3), "r" (__r4), "r" (__r5),                   \
+                       "r" (__r6), "r" (__r7)                                \
+                     : "memory", "t");                                       \
   } while (0)
 
 
@@ -252,24 +252,24 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
 
 extern int __lll_wait_tid (int *tid) attribute_hidden;
 #define lll_wait_tid(tid) \
-  do { \
-    __typeof (tid) *__tid = &(tid); \
-    if (*__tid != 0) \
-      __lll_wait_tid (__tid); \
+  do {                                                                       \
+    __typeof (tid) *__tid = &(tid);                                          \
+    if (*__tid != 0)                                                         \
+      __lll_wait_tid (__tid);                                                \
   } while (0)
 
 extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
      attribute_hidden;
 #define lll_timedwait_tid(tid, abstime) \
-  ({ \
-    int __result = 0; \
-    if (tid != 0) \
-      {        \
-       if (abstime == NULL || abstime->tv_nsec >= 1000000000) \
-         __result = EINVAL; \
-       else \
-         __result = __lll_timedwait_tid (&tid, abstime); \
-      }        \
+  ({                                                                         \
+    int __result = 0;                                                        \
+    if (tid != 0)                                                            \
+      {                                                                              \
+       if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)           \
+         __result = EINVAL;                                                  \
+       else                                                                  \
+         __result = __lll_timedwait_tid (&tid, abstime);                     \
+      }                                                                              \
     __result; })
 
 
index 136dc57..4dfbf4b 100644 (file)
@@ -319,7 +319,7 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
     int __result = 0;                                                        \
     if (tid != 0)                                                            \
       {                                                                              \
-       if (abstime == NULL || abstime->tv_nsec >= 1000000000)                \
+       if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)           \
          __result = EINVAL;                                                  \
        else                                                                  \
          __result = __lll_timedwait_tid (&tid, abstime);                     \
index 59b7301..df7efd7 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
 
@@ -58,9 +58,7 @@ __wcpncpy (dest, src, n)
          if (--n4 == 0)
            goto last_chars;
        }
-      n = n - (dest - s) - 1;
-      if (n == 0)
-       return dest;
+      n -= dest - s;
       goto zero_fill;
     }
 
@@ -69,21 +67,22 @@ __wcpncpy (dest, src, n)
   if (n == 0)
     return dest;
 
-  do
+  for (;;)
     {
       c = *src++;
-      *++dest = c;
-      if (--n == 0)
+      --n;
+      *dest++ = c;
+      if (c == L'\0')
+       break;
+      if (n == 0)
        return dest;
     }
-  while (c != L'\0');
 
  zero_fill:
-  do
-    *++dest = L'\0';
-  while (--n > 0);
+  while (n-- > 0)
+    dest[n] = L'\0';
 
-  return dest;
+  return dest - 1;
 }
 
 weak_alias (__wcpncpy, wcpncpy)