(syntax-check): Add another check.

diff --git a/Makefile.maint b/Makefile.maint
index 623699b..064278b 100644 (file)
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -64,23 +64,26 @@ syntax-check:
          fi;                                                           \
        fi
        @grep -E '[ ]   ' --exclude=$(srcdir)/lib/regex.c               \
-               $(srcdir)/{lib,src}/*.[chy]                             \
+               $(srcdir)/{lib,src}/*.[chly]                            \
                $(find -name Makefile.am) &&                            \
-         { echo 'Makefile.maint: found SPACE-TAB sequence; remove the SPACE' \
+         { echo '$(ME): found SPACE-TAB sequence; remove the SPACE'    \
                1>&2; \
            exit 1; } || :
+       @grep -E '\<free \(\(' $(srcdir)/{lib,src}/*.[chly] &&          \
+         { echo '$(ME): don'\''t cast free argument' 1>&2;             \
+           exit 1; } || :
        @grep -E --exclude=$(srcdir)/lib/regex.c                        \
            '\*\) *x(m|c|re)alloc\>' $(srcdir)/{lib,src}/*.[chy] &&     \
-         { echo 'Makefile.maint: don'\''t cast x*alloc return value' 1>&2; \
+         { echo '$(ME): don'\''t cast x*alloc return value' 1>&2;      \
            exit 1; } || :
        @grep -F 'error (EXIT_SUCCESS,'                                 \
-               $(find -name '*.[chly]') &&                             \
-         { echo 'Makefile.maint: found error (EXIT_SUCCESS' 1>&2;      \
+           $$(find -type f -name '*.[chly]') &&                        \
+         { echo '$(ME): found error (EXIT_SUCCESS' 1>&2;               \
            exit 1; } || :
 
 #      grep -E '^#  *include <(string|stdlib)\.h>'                     \
 #          $(srcdir)/{lib,src}/*.[chy] &&                              \
-#        { echo 'Makefile.maint: FIXME' 1>&2;                          \
+#        { echo '$(ME): FIXME' 1>&2;                                   \
 #          exit 1; } || :
 # FIXME: don't allow `#include .strings\.h' anywhere