[gcc] GCC 4.5.0=>4.5.1

gcc/mpfr/logging.c

-/* MPFR Logging functions.
-
-Copyright 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-Contributed by the Arenaire and Cacao projects, INRIA.
-
-This file is part of the GNU MPFR Library.
-
-The GNU MPFR Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or (at your
-option) any later version.
-
-The GNU MPFR Library is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MPFR Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-MA 02110-1301, USA. */
-
-#include "mpfr-impl.h"
-
-/* Logging MPFR needs GCC >= 3.0 and GLIBC >= 2.0. */
-
-#ifdef MPFR_USE_LOGGING
-
-/* Can't include them before (in particular, printf.h) */
-#include <stdlib.h>
-#include <printf.h>
-#include <stdarg.h>
-#include <time.h>
-
-/* Define LOGGING variables */
-
-FILE *mpfr_log_file;
-int   mpfr_log_type;
-int   mpfr_log_level;
-int   mpfr_log_base;
-int   mpfr_log_current;
-int   mpfr_log_worstcase_limit;
-mp_prec_t mpfr_log_prec;
-
-static int
-mpfr_printf_mpfr_print (FILE *stream, const struct printf_info *info,
-                        const void * const *arg)
-{
-  int length;
-  int org_type_logging;
-
-  /* TODO: Use much more flag from info  */
-  mpfr_srcptr w = *((mpfr_srcptr *) (arg[0]));
-  mp_prec_t prec = mpfr_log_prec != 0 ? mpfr_log_prec
-    : info->width == -1 ? 0 : (mp_prec_t) info->width;
-
-  org_type_logging = mpfr_log_type;
-  mpfr_log_type = 0; /* We disable the logging during this print! */
-  if (info->alt)
-    length = fprintf (stream, "%lu", (unsigned long) MPFR_PREC (w));
-  else
-    length = mpfr_out_str (stream, mpfr_log_base, prec, w, GMP_RNDN);
-  mpfr_log_type = org_type_logging;
-
-  return length;
-}
-
-static int
-mpfr_printf_mpfr_arginfo (const struct printf_info *info, size_t n,
-                          int *argtypes)
-{
-  if (n > 0)
-    argtypes[0] = PA_POINTER;
-  return 1;
-}
-
-static void mpfr_log_begin (void) __attribute__((constructor));
-
-/* We let the system close the LOG itself
-   (Otherwise functions called by destructor can't use LOG File */
-static void
-mpfr_log_begin (void)
-{
-  const char *var;
-  time_t tt;
-
-  /* Grab some information */
-  var = getenv ("MPFR_LOG_BASE");
-  mpfr_log_base = var == NULL || *var == 0 ? 10 : atoi (var);
-
-  var = getenv ("MPFR_LOG_LEVEL");
-  mpfr_log_level = var == NULL || *var == 0 ? 7 : atoi (var);
-  mpfr_log_current = 0;
-
-  var = getenv ("MPFR_LOG_PREC");
-  mpfr_log_prec = var == NULL || *var == 0 ? 0 : atol (var);
-
-  /* Get what we need to log */
-  mpfr_log_type = 0;
-  if (getenv ("MPFR_LOG_INPUT") != NULL)
-    mpfr_log_type |= MPFR_LOG_INPUT_F;
-  if (getenv ("MPFR_LOG_OUTPUT") != NULL)
-    mpfr_log_type |= MPFR_LOG_OUTPUT_F;
-  if (getenv ("MPFR_LOG_TIME") != NULL)
-    mpfr_log_type |= MPFR_LOG_TIME_F;
-  if (getenv ("MPFR_LOG_INTERNAL") != NULL)
-    mpfr_log_type |= MPFR_LOG_INTERNAL_F;
-  if (getenv ("MPFR_LOG_MSG") != NULL)
-    mpfr_log_type |= MPFR_LOG_MSG_F;
-  if (getenv ("MPFR_LOG_ZIV") != NULL)
-    mpfr_log_type |= MPFR_LOG_BADCASE_F;
-  if (getenv ("MPFR_LOG_STAT") != NULL)
-    mpfr_log_type |= MPFR_LOG_STAT_F;
-  if (getenv ("MPFR_LOG_ALL") != NULL)
-    mpfr_log_type = MPFR_LOG_INPUT_F|MPFR_LOG_OUTPUT_F|MPFR_LOG_TIME_F
-      |MPFR_LOG_INTERNAL_F|MPFR_LOG_MSG_F|MPFR_LOG_BADCASE_F|MPFR_LOG_STAT_F;
-
-  /* Register printf functions */
-  register_printf_function ('R', mpfr_printf_mpfr_print,
-                            mpfr_printf_mpfr_arginfo);
-
-  /* Open filename if needed */
-  var = getenv ("MPFR_LOG_FILE");
-  if (var == NULL || *var == 0)
-    var = "mpfr.log";
-  if (mpfr_log_type != 0)
-    {
-      mpfr_log_file = fopen (var, "w");
-      if (mpfr_log_file == NULL)
-        {
-          fprintf (stderr, "MPFR LOG: Can't open '%s' with w.\n", var);
-          abort ();
-        }
-      time (&tt);
-      fprintf (mpfr_log_file, "MPFR LOG FILE %s\n", ctime (&tt));
-    }
-}
-
-/* Return user CPU time measured in milliseconds. Thanks to Torbjorn. */
-
-#if defined (ANSIONLY) || defined (USG) || defined (__SVR4) \
- || defined (_UNICOS) || defined(__hpux)
-
-int
-mpfr_get_cputime (void)
-{
-  return (int) ((unsigned long long) clock () * 1000 / CLOCKS_PER_SEC);
-}
-
-#else /* Use getrusage for cputime */
-
-#include <sys/types.h>
-#include <sys/resource.h>
-
-int
-mpfr_get_cputime (void)
-{
-  struct rusage rus;
-  getrusage (0, &rus);
-  return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
-}
-
-#endif /* cputime */
-
-#endif /* MPFR_USE_LOGGING */