Libvirt was mistakenly using <intprops.h> instead of "intprops.h" in one place; when I fixed that, I was surprised to get a syntax-check failure from an unused header.
* top/maint.mk (_sc_header_without_use): Check both include styles. (sc_prohibit_assert_without_use) (sc_prohibit_close_stream_without_use) (sc_prohibit_getopt_without_use) (sc_prohibit_quotearg_without_use) (sc_prohibit_quote_without_use) (sc_prohibit_long_options_without_use) (sc_prohibit_inttostr_without_use) (sc_prohibit_ignore_value_without_use) (sc_prohibit_error_without_use, sc_prohibit_xalloc_without_use) (sc_prohibit_hash_without_use, sc_prohibit_cloexec_without_use) (sc_prohibit_posixver_without_use, sc_prohibit_same_without_use) (sc_prohibit_hash_pjw_without_use) (sc_prohibit_safe_read_without_use) (sc_prohibit_argmatch_without_use) (sc_prohibit_canonicalize_without_use) (sc_prohibit_root_dev_ino_without_use) (sc_prohibit_openat_without_use) (sc_prohibit_c_ctype_without_use) (sc_prohibit_signal_without_use) (sc_prohibit_stdio--_without_use) (sc_prohibit_stdio-safer_without_use) (sc_prohibit_strings_without_use) (sc_prohibit_intprops_without_use) (sc_prohibit_stddef_without_use) (sc_prohibit_xfreopen_without_use): Update clients. Signed-off-by: Eric Blake <ebl...@redhat.com> --- ChangeLog | 29 ++++++++++++++++++++++++++++ top/maint.mk | 60 +++++++++++++++++++++++++++++----------------------------- 2 files changed, 59 insertions(+), 30 deletions(-) diff --git a/ChangeLog b/ChangeLog index 2ce487c..2f4944d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,34 @@ 2011-06-24 Eric Blake <ebl...@redhat.com> + maint.mk: enhance useless header checks + * top/maint.mk (_sc_header_without_use): Check both include + styles. + (sc_prohibit_assert_without_use) + (sc_prohibit_close_stream_without_use) + (sc_prohibit_getopt_without_use) + (sc_prohibit_quotearg_without_use) + (sc_prohibit_quote_without_use) + (sc_prohibit_long_options_without_use) + (sc_prohibit_inttostr_without_use) + (sc_prohibit_ignore_value_without_use) + (sc_prohibit_error_without_use, sc_prohibit_xalloc_without_use) + (sc_prohibit_hash_without_use, sc_prohibit_cloexec_without_use) + (sc_prohibit_posixver_without_use, sc_prohibit_same_without_use) + (sc_prohibit_hash_pjw_without_use) + (sc_prohibit_safe_read_without_use) + (sc_prohibit_argmatch_without_use) + (sc_prohibit_canonicalize_without_use) + (sc_prohibit_root_dev_ino_without_use) + (sc_prohibit_openat_without_use) + (sc_prohibit_c_ctype_without_use) + (sc_prohibit_signal_without_use) + (sc_prohibit_stdio--_without_use) + (sc_prohibit_stdio-safer_without_use) + (sc_prohibit_strings_without_use) + (sc_prohibit_intprops_without_use) + (sc_prohibit_stddef_without_use) + (sc_prohibit_xfreopen_without_use): Update clients. + maint.mk: update sc_prohibit_intprops_without_use * top/maint.mk (_intprops_names): Match recent changes. diff --git a/top/maint.mk b/top/maint.mk index ed598e0..e6e03a8 100644 --- a/top/maint.mk +++ b/top/maint.mk @@ -405,11 +405,11 @@ sc_prohibit_HAVE_MBRTOWC: $(_sc_search_regexp) # To use this "command" macro, you must first define two shell variables: -# h: the header, enclosed in <> or "" +# h: the header name, with no enclosing <> or "" # re: a regular expression that matches IFF something provided by $h is used. define _sc_header_without_use dummy=; : so we do not need a semicolon before each use; \ - h_esc=`echo "$$h"|sed 's/\./\\\\./g'`; \ + h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`; \ if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ files=$$(grep -l '^# *include '"$$h_esc" \ $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \ @@ -422,42 +422,42 @@ endef # Prohibit the inclusion of assert.h without an actual use of assert. sc_prohibit_assert_without_use: - @h='<assert.h>' re='\<assert *\(' $(_sc_header_without_use) + @h='assert.h' re='\<assert *\(' $(_sc_header_without_use) # Prohibit the inclusion of close-stream.h without an actual use. sc_prohibit_close_stream_without_use: - @h='"close-stream.h"' re='\<close_stream *\(' $(_sc_header_without_use) + @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use) # Prohibit the inclusion of getopt.h without an actual use. sc_prohibit_getopt_without_use: - @h='<getopt.h>' re='\<getopt(_long)? *\(' $(_sc_header_without_use) + @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use) # Don't include quotearg.h unless you use one of its functions. sc_prohibit_quotearg_without_use: - @h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use) + @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use) # Don't include quote.h unless you use one of its functions. sc_prohibit_quote_without_use: - @h='"quote.h"' re='\<quote(_n)? *\(' $(_sc_header_without_use) + @h='quote.h' re='\<quote(_n)? *\(' $(_sc_header_without_use) # Don't include this header unless you use one of its functions. sc_prohibit_long_options_without_use: - @h='"long-options.h"' re='\<parse_long_options *\(' \ + @h='long-options.h' re='\<parse_long_options *\(' \ $(_sc_header_without_use) # Don't include this header unless you use one of its functions. sc_prohibit_inttostr_without_use: - @h='"inttostr.h"' re='\<(off|[iu]max|uint)tostr *\(' \ + @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \ $(_sc_header_without_use) # Don't include this header unless you use one of its functions. sc_prohibit_ignore_value_without_use: - @h='"ignore-value.h"' re='\<ignore_(value|ptr) *\(' \ + @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \ $(_sc_header_without_use) # Don't include this header unless you use one of its functions. sc_prohibit_error_without_use: - @h='"error.h"' \ + @h='error.h' \ re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\ $(_sc_header_without_use) @@ -480,7 +480,7 @@ sc_prohibit_error_without_use: _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) _xa2 = X([CZ]|N?M)ALLOC sc_prohibit_xalloc_without_use: - @h='"xalloc.h"' \ + @h='xalloc.h' \ re='\<($(_xa1)|$(_xa2)) *\('\ $(_sc_header_without_use) @@ -491,46 +491,46 @@ clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning _hash_fn = \<($(_hash_re)) *\( _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\> sc_prohibit_hash_without_use: - @h='"hash.h"' \ + @h='hash.h' \ re='$(_hash_fn)|$(_hash_struct)'\ $(_sc_header_without_use) sc_prohibit_cloexec_without_use: - @h='"cloexec.h"' re='\<(set_cloexec_flag|dup_cloexec) *\(' \ + @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \ $(_sc_header_without_use) sc_prohibit_posixver_without_use: - @h='"posixver.h"' re='\<posix2_version *\(' $(_sc_header_without_use) + @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use) sc_prohibit_same_without_use: - @h='"same.h"' re='\<same_name *\(' $(_sc_header_without_use) + @h='same.h' re='\<same_name *\(' $(_sc_header_without_use) sc_prohibit_hash_pjw_without_use: - @h='"hash-pjw.h"' \ + @h='hash-pjw.h' \ re='\<hash_pjw *\(' \ $(_sc_header_without_use) sc_prohibit_safe_read_without_use: - @h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \ + @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \ $(_sc_header_without_use) sc_prohibit_argmatch_without_use: - @h='"argmatch.h"' \ + @h='argmatch.h' \ re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid) *\()' \ $(_sc_header_without_use) sc_prohibit_canonicalize_without_use: - @h='"canonicalize.h"' \ + @h='canonicalize.h' \ re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \ $(_sc_header_without_use) sc_prohibit_root_dev_ino_without_use: - @h='"root-dev-ino.h"' \ + @h='root-dev-ino.h' \ re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \ $(_sc_header_without_use) sc_prohibit_openat_without_use: - @h='"openat.h"' \ + @h='openat.h' \ re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \ $(_sc_header_without_use) @@ -538,7 +538,7 @@ sc_prohibit_openat_without_use: ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\ |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper sc_prohibit_c_ctype_without_use: - @h='[<"]c-ctype.h[">]' re='\<c_($(ctype_re)) *\(' \ + @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \ $(_sc_header_without_use) _empty = @@ -574,24 +574,24 @@ _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts))) # Prohibit the inclusion of signal.h without an actual use. sc_prohibit_signal_without_use: - @h='<signal.h>' \ + @h='signal.h' \ re='\<($(_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) *\(' \ + @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 *\(' \ + @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: - @h='<strings.h>' \ + @h='strings.h' \ re='\<(strn?casecmp|ffs(ll)?)\>' \ $(_sc_header_without_use) @@ -610,20 +610,20 @@ _intprops_names = \ _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names))) # Prohibit the inclusion of intprops.h without an actual use. sc_prohibit_intprops_without_use: - @h='"intprops.h"' \ + @h='intprops.h' \ re='\<($(_intprops_syms_re)) *\(' \ $(_sc_header_without_use) _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t # Prohibit the inclusion of stddef.h without an actual use. sc_prohibit_stddef_without_use: - @h='<stddef.h>' \ + @h='stddef.h' \ re='\<($(_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) + @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use) sc_obsolete_symbols: @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \ -- 1.7.4.4