maint: correct misuse of "a" and "an"
[gnulib.git] / top / maint.mk
index 4088a79..c838516 100644 (file)
@@ -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                    \
@@ -646,12 +660,6 @@ sc_require_test_exit_idiom:
              exit 1; } || :;                                           \
        fi
 
-sc_the_the:
-       @prohibit='\<the ''the\>'                                       \
-       ignore_case=1                                                   \
-       halt='found use of "the ''the";'                                \
-         $(_sc_search_regexp)
-
 sc_trailing_blank:
        @prohibit='[     ]$$'                                           \
        halt='found trailing blank(s)'                                  \
@@ -1368,13 +1376,16 @@ ifeq (a,b)
 # Most functions should have static scope.
 # Any that don't must be marked with `extern', but `main'
 # and `usage' are exceptions: they're always extern, but
-# do not need to be marked.
+# do not need to be marked.  Symbols matching `__.*' are
+# reserved by the compiler, so are automatically excluded below.
 _gl_TS_unmarked_extern_functions ?= main usage
 _gl_TS_function_match ?= \
   /^(?:extern|XTERN) +(?:void|(?:struct |const |enum )?\S+) +\**(\S+) +\(/
 
 # The second nm|grep checks for file-scope variables with `extern' scope.
 # Without gnulib's progname module, you might put program_name here.
+# Symbols matching `__.*' are reserved by the compiler,
+# so are automatically excluded below.
 _gl_TS_unmarked_extern_vars ?=
 
 # NOTE: the _match variables are perl expressions -- not mere regular
@@ -1397,7 +1408,7 @@ _gl_tight_scope: $(bin_PROGRAMS)
               test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`;   \
        hdr=`for f in $(noinst_HEADERS); do                             \
               test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`;   \
-       ( printf '^%s$$\n' $(_gl_TS_unmarked_extern_functions);         \
+       ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions);  \
          grep -h -A1 '^extern .*[^;]$$' $$src                          \
            | grep -vE '^(extern |--)' | sed 's/ .*//';                 \
          perl -lne '$(_gl_TS_function_match)'                          \
@@ -1406,7 +1417,7 @@ _gl_tight_scope: $(bin_PROGRAMS)
        nm -e *.$(OBJEXT) | sed -n 's/.* T //p' | grep -Ev -f $$t       \
          && { echo the above functions should have static scope >&2;   \
               exit 1; } || : ;                                         \
-       ( printf '^%s$$\n' $(_gl_TS_unmarked_extern_vars);              \
+       ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars);       \
          perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"'           \
            $$hdr *.h ) | sort -u > $$t;                                \
        nm -e *.$(OBJEXT) | sed -n 's/.* [BCDGRS] //p'                  \