Use GNULIB_POSIXCHECK instead of GNULIB_PORTCHECK.

diff --git a/ChangeLog b/ChangeLog
index 57ded7c..0bfcebe 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2010-03-27  Bruno Haible  <bruno@clisp.org>
 
+       Use GNULIB_POSIXCHECK instead of GNULIB_PORTCHECK.
+       * lib/time.in.h (asctime, asctime_r, ctime, ctime_r): Test
+       GNULIB_POSIXCHECK, not GNULIB_PORTCHECK. Provide compile-time warnings
+       rather than link errors.
+
+2010-03-27  Bruno Haible  <bruno@clisp.org>
+
        Avoid side effects from tests-related modules on the compilation of lib.
        * m4/gnulib-common.m4 (gl_MODULE_INDICATOR_CONDITION): New macro.
        (gl_MODULE_INDICATOR_SET_VARIABLE): Use its expansion as a value.

diff --git a/lib/time.in.h b/lib/time.in.h
index 7fa228a..3a3e5ab 100644 (file)
--- a/lib/time.in.h
+++ b/lib/time.in.h
@@ -185,15 +185,25 @@ _GL_CXXALIASWARN (timegm);
 /* Encourage applications to avoid unsafe functions that can overrun
    buffers when given outlandish struct tm values.  Portable
    applications should use strftime (or even sprintf) instead.  */
-# if GNULIB_PORTCHECK
+# if defined GNULIB_POSIXCHECK
 #  undef asctime
-#  define asctime eschew_asctime
+_GL_WARN_ON_USE (asctime, "asctime can overrun buffers in some cases - "
+                 "better use strftime (or even sprintf) instead");
+# endif
+# if defined GNULIB_POSIXCHECK
 #  undef asctime_r
-#  define asctime_r eschew_asctime_r
+_GL_WARN_ON_USE (asctime, "asctime_r can overrun buffers in some cases - "
+                 "better use strftime (or even sprintf) instead");
+# endif
+# if defined GNULIB_POSIXCHECK
 #  undef ctime
-#  define ctime eschew_ctime
+_GL_WARN_ON_USE (asctime, "ctime can overrun buffers in some cases - "
+                 "better use strftime (or even sprintf) instead");
+# endif
+# if defined GNULIB_POSIXCHECK
 #  undef ctime_r
-#  define ctime_r eschew_ctime_r
+_GL_WARN_ON_USE (asctime, "ctime_r can overrun buffers in some cases - "
+                 "better use strftime (or even sprintf) instead");
 # endif
 
 #endif