X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftime.in.h;h=54e7f429af12be3417cb86eebb0f039e3b15ec3e;hb=f9e83fd48cb5c5a0b5a65751710138d42c814402;hp=6d2b818024cb624cab7534964486791df6a83a78;hpb=df6774c09485e6b0f31f4659eb55d50c68c008a8;p=gnulib.git

diff --git a/lib/time.in.h b/lib/time.in.h
index 6d2b81802..54e7f429a 100644
--- a/lib/time.in.h
+++ b/lib/time.in.h
@@ -1,6 +1,6 @@
 /* A more-standard <time.h>.
 
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 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
@@ -19,6 +19,7 @@
 #if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
 #endif
+@PRAGMA_COLUMNS@
 
 /* Don't get in the way of glibc when it includes time.h merely to
    declare a few standard symbols, rather than to declare all the
@@ -55,19 +56,29 @@
 #   include <sys/time.h>
 #  elif @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@
 #   include <pthread.h>
+/* The pthreads-win32 <pthread.h> also defines a couple of broken macros.  */
+#   undef asctime_r
+#   undef ctime_r
+#   undef gmtime_r
+#   undef localtime_r
+#   undef rand_r
+#   undef strtok_r
 #  else
 
 #   ifdef __cplusplus
 extern "C" {
 #   endif
 
-#   undef timespec
-#   define timespec rpl_timespec
+#   if !GNULIB_defined_struct_timespec
+#    undef timespec
+#    define timespec rpl_timespec
 struct timespec
 {
   time_t tv_sec;
   long int tv_nsec;
 };
+#    define GNULIB_defined_struct_timespec 1
+#   endif
 
 #   ifdef __cplusplus
 }
@@ -76,6 +87,18 @@ struct timespec
 #  endif
 # endif
 
+# if !GNULIB_defined_struct_time_t_must_be_integral
+/* Per http://austingroupbugs.net/view.php?id=327, POSIX requires
+   time_t to be an integer type, even though C99 permits floating
+   point.  We don't know of any implementation that uses floating
+   point, and it is much easier to write code that doesn't have to
+   worry about that corner case, so we force the issue.  */
+struct __time_t_must_be_integral {
+  unsigned int __floating_time_t_unsupported : (time_t) 1;
+};
+#  define GNULIB_defined_struct_time_t_must_be_integral 1
+# endif
+
 /* Sleep for at least RQTP seconds unless interrupted,  If interrupted,
    return -1 and store the remaining time into RMTP.  See
    <http://www.opengroup.org/susv3xsh/nanosleep.html>.  */
@@ -130,8 +153,7 @@ _GL_FUNCDECL_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
                                              struct tm *restrict __result));
 #  else
-#   if ! @HAVE_LOCALTIME_R@
-#    undef localtime_r
+#   if ! @HAVE_DECL_LOCALTIME_R@
 _GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
                                              struct tm *restrict __result)
                                             _GL_ARG_NONNULL ((1, 2)));
@@ -139,7 +161,9 @@ _GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
                                              struct tm *restrict __result));
 #  endif
+#  if @HAVE_DECL_LOCALTIME_R@
 _GL_CXXALIASWARN (localtime_r);
+#  endif
 #  if @REPLACE_LOCALTIME_R@
 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #    undef gmtime_r
@@ -151,8 +175,7 @@ _GL_FUNCDECL_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
                                           struct tm *restrict __result));
 #  else
-#   if ! @HAVE_LOCALTIME_R@
-#    undef gmtime_r
+#   if ! @HAVE_DECL_LOCALTIME_R@
 _GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
                                           struct tm *restrict __result)
                                          _GL_ARG_NONNULL ((1, 2)));
@@ -160,7 +183,9 @@ _GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
 _GL_CXXALIAS_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
                                           struct tm *restrict __result));
 #  endif
+#  if @HAVE_DECL_LOCALTIME_R@
 _GL_CXXALIASWARN (gmtime_r);
+#  endif
 # endif
 
 /* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store