X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fvasnprintf.c;h=d1eeaa5e0bd8b8fe69053a8ab575f2b138c21dcd;hb=2aa729ac6af316bc30111144684a51c4650d5c44;hp=87b8a55b99ed19331de92855d2615c2cb638e157;hpb=f03d479e8f5f234789cde2fd841d16fd4eeda247;p=gnulib.git

diff --git a/lib/vasnprintf.c b/lib/vasnprintf.c
index 87b8a55b9..d1eeaa5e0 100644
--- a/lib/vasnprintf.c
+++ b/lib/vasnprintf.c
@@ -1,5 +1,5 @@
 /* vsprintf with automatic memory allocation.
-   Copyright (C) 1999, 2002-2010 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002-2011 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -279,7 +279,7 @@ decimal_point_char (void)
      multithread-safe on glibc systems and MacOS X systems, but is not required
      to be multithread-safe by POSIX.  sprintf(), however, is multithread-safe.
      localeconv() is rarely multithread-safe.  */
-#  if HAVE_NL_LANGINFO && (__GLIBC__ || (defined __APPLE__ && defined __MACH__))
+#  if HAVE_NL_LANGINFO && (__GLIBC__ || defined __UCLIBC__ || (defined __APPLE__ && defined __MACH__))
   point = nl_langinfo (RADIXCHAR);
 #  elif 1
   char pointbuf[5];
@@ -935,11 +935,11 @@ decode_long_double (long double x, int *ep, mpn_t *mp)
         abort ();
       m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo;
     }
-#if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess
-         precision.  */
+#  if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess
+           precision.  */
   if (!(y == 0.0L))
     abort ();
-#endif
+#  endif
   /* Normalise.  */
   while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0)
     m.nlimbs--;
@@ -1753,8 +1753,9 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp,
     return NULL;
 
 #define CLEANUP() \
-  free (d.dir);                                                         \
-  if (a.arg)                                                            \
+  if (d.dir != d.direct_alloc_dir)                                      \
+    free (d.dir);                                                       \
+  if (a.arg != a.direct_alloc_arg)                                      \
     free (a.arg);
 
   if (PRINTF_FETCHARGS (args, &a) < 0)
@@ -4754,7 +4755,7 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp,
                   *fbp++ = ' ';
                 if (flags & FLAG_ALT)
                   *fbp++ = '#';
-#if __GLIBC__ >= 2
+#if __GLIBC__ >= 2 && !defined __UCLIBC__
                 if (flags & FLAG_LOCALIZED)
                   *fbp++ = 'I';
 #endif
@@ -4841,14 +4842,15 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp,
 #endif
                   *fbp = dp->conversion;
 #if USE_SNPRINTF
-# if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
+# if !(((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
                 fbp[1] = '%';
                 fbp[2] = 'n';
                 fbp[3] = '\0';
 # else
                 /* On glibc2 systems from glibc >= 2.3 - probably also older
-                   ones - we know that snprintf's returns value conforms to
-                   ISO C 99: the gl_SNPRINTF_DIRECTIVE_N test passes.
+                   ones - we know that snprintf's return value conforms to
+                   ISO C 99: the tests gl_SNPRINTF_RETVAL_C99 and
+                   gl_SNPRINTF_TRUNCATION_C99 pass.
                    Therefore we can avoid using %n in this situation.
                    On glibc2 systems from 2004-10-18 or newer, the use of %n
                    in format strings in writable memory may crash the program