maint.mk: three new prohibit_<HDR>_without_use rules

* top/maint.mk (sc_prohibit_stdio--_without_use): New rule.
(sc_prohibit_stdio-safer_without_use): Likewise.
(sc_prohibit_xfreopen_without_use): Likewise.

diff --git a/ChangeLog b/ChangeLog
index c3260817813e71360ac83abe99c3323c83ff51a5..ffea4737db84a492072068b27c945f1ead8f47be 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-05-13  Jim Meyering  <meyering@redhat.com>
+
+       maint.mk: three new prohibit_<HDR>_without_use rules
+       * top/maint.mk (sc_prohibit_stdio--_without_use): New rule.
+       (sc_prohibit_stdio-safer_without_use): Likewise.
+       (sc_prohibit_xfreopen_without_use): Likewise.
+
 2011-05-17  Jim Meyering  <meyering@redhat.com>
 
        announce-gen: fail if the NEWS delta is empty

diff --git a/top/maint.mk b/top/maint.mk
index d0d33e4dad49b941ecc24f005142a331c27cfa18..c838516e548e983f8e9d3973fce60cd25568e018 100644 (file)
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -568,6 +568,16 @@ sc_prohibit_signal_without_use:
        re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>'          \
          $(_sc_header_without_use)
 
+# Don't include stdio--.h unless you use one of its functions.
+sc_prohibit_stdio--_without_use:
+       @h='"stdio--.h"' re='\<((f(re)?|p)open|tmpfile) *\('    \
+         $(_sc_header_without_use)
+
+# Don't include stdio-safer.h unless you use one of its functions.
+sc_prohibit_stdio-safer_without_use:
+       @h='"stdio-safer.h"' re='\<((f(re)?|p)open|tmpfile)_safer *\('  \
+         $(_sc_header_without_use)
+
 # Prohibit the inclusion of strings.h without a sensible use.
 # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible.
 sc_prohibit_strings_without_use:
@@ -595,6 +605,10 @@ sc_prohibit_stddef_without_use:
        re='\<($(_stddef_syms_re)) *\('                                 \
          $(_sc_header_without_use)
 
+# Don't include xfreopen.h unless you use one of its functions.
+sc_prohibit_xfreopen_without_use:
+       @h='"xfreopen.h"' re='\<xfreopen *\(' $(_sc_header_without_use)
+
 sc_obsolete_symbols:
        @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>'                     \
        halt='do not use HAVE''_FCNTL_H or O'_NDELAY                    \