4 # fixproto TARGET-DIR SOURCE-DIR-ALL SOURCE-DIR-STD
7 # Copyright (C) 1993 Free Software Foundation, Inc.
8 # This file is part of GNU CC.
10 # GNU CC is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 2, or (at your option)
15 # GNU CC is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with GNU CC; see the file COPYING. If not, write to
22 # the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25 # Adjunct script for GNU CC to populate a directory with ANSI,
26 # Posix.1, and C++ compatible header files.
28 # Each file found under SOURCE-DIR-ALL is analyzed and "fixed."
29 # Only standard ANSI/POSIX files found under SOURCE-DIR-STD
30 # are analyzed and "fixed."
31 # The SOURCE-DIRs are searched in order; a file found
32 # under multiple SOURCE-DIRs is only handled for the first one.
35 # Each include file is fed through cpp, and the scan-decls program
36 # parses it, and emits any found function declarations.
37 # The fix-header program analyzes the scan-decls output,
38 # together with the original include file, and writes a "fixed"
39 # include file, if needed.
41 # The comment at the beginning of fix-header.c lists specifically
42 # what kind of changes are made.
45 # Some file space will be wasted, because the original header
46 # files are copied. An earlier version just included the original
47 # by "reference", using GNU cpp's #include_next mechanism.
48 # This is currently not done, partly because #include_next is
49 # fragile (susceptible to version incompatibilties, and depends
50 # and GCC-specific features), and partly for performance reasons.
53 # Ron Guilmette (rfg@netcom.com) (original idea and code)
54 # Per Bothner (bothner@cygnus.com) (major re-write)
57 progname
=`basename $progname`
61 if [ `echo $1 | wc -w` = 0 ] ; then
62 echo $progname\
: usage\
: $progname target-dir \
[ source-dir \.\.\. \
]
66 std_files
="ctype.h dirent.h errno.h curses.h fcntl.h grp.h locale.h math.h pwd.h setjmp.h signal.h stdio.h stdlib.h string.h sys/stat.h sys/times.h sys/resource.h sys/utsname.h sys/wait.h tar.h termios.h time.h unistd.h"
69 # All files in $src_dir_all (normally same as $rel_target_dir) are
72 # In $src_dir_std (normally same as /usr/include), only the
73 # "standard" ANSI/POSIX files listed in $std_files are processed.
76 if [ `expr $rel_target_dir : '\(.\)'` != '/' ] ; then
77 abs_target_dir
=$original_dir/$rel_target_dir
79 abs_target_dir
=$rel_target_dir
82 # Determine whether this system has symbolic links.
83 if ln -s X
$rel_target_dir/ShouldNotExist
2>/dev
/null
; then
84 rm -f $rel_target_dir/ShouldNotExist
86 elif ln -s X
/tmp
/ShouldNotExist
2>/dev
/null
; then
87 rm -f /tmp
/ShouldNotExist
93 if [ \
! -d $abs_target_dir ] ; then
94 echo $progname\
: creating directory
$rel_target_dir
98 echo $progname\
: populating \
`$rel_target_dir\'
102 if [ `echo $
* |
wc -w` != 0 ] ; then
103 for rel_source_dir in $src_dir_all $src_dir_std; do
104 if [ `expr $rel_source_dir : '\(.\)'` != '/' ] ; then
105 abs_source_dir=$original_dir/$rel_source_dir
107 abs_source_dir=$rel_source_dir
109 include_path="$include_path -I$abs_source_dir"
113 required_stdlib_h="abort abs atexit atof atoi atol bsearch calloc exit free getenv labs malloc qsort rand realloc srand strtod strtol strtoul system"
114 # "div ldiv", - ignored because these depend on div_t, ldiv_t
115 # ignore these: "mblen mbstowcs mbstowc wcstombs wctomb"
116 # Should perhaps also add NULL
117 required_unistd_h="_exit access alarm chdir chown close ctermid cuserid dup dup2 execl execle execlp execv execve execvp fork fpathconf getcwd getegid geteuid getgid getgroups getlogin getpgrp getpid getppid getuid isatty link lseek pathconf pause pipe read rmdir setgid setpgid setsid setuid sleep sysconf tcgetpgrp tcsetpgrp ttyname unlink write"
120 echo "" >fixproto.list
122 for code in ALL STD ; do
128 rel_source_dir=$src_dir_all
132 while $LINKS && test -n "$dirs" -a $levels -gt 0
134 levels=`expr $levels - 1`
137 # Find all directories under $d, relative to $d, excluding $d itself.
138 # Assume directory names ending in CC or containing ++ are
139 # for C++, so skip those.
140 subdirs="$subdirs "`cd $rel_source_dir/$d; find .
-type d
-print | \
141 sed -e '/^\.$/d' -e "s|^\./|${d}/|" -e 's|^\./||' \
142 -e '/CC$/d' -e '/\+\+/d'`
144 links=`cd $rel_source_dir; find $d/.
-type l
-print | \
145 sed -e "s|$d/./|$d/|" -e 's|^\./||'`
146 for link in $links --dummy-- ; do
147 test -d $rel_source_dir/$link/. && newdirs="$newdirs $link"
151 subdirs="$subdirs $newdirs"
155 rel_source_dir=$src_dir_std
159 if [ `expr $rel_source_dir : '\(.\)'` != '/' ] ; then
160 abs_source_dir=$original_dir/$rel_source_dir
162 abs_source_dir=$rel_source_dir
165 if [ \! -d $abs_source_dir ] ; then
166 echo $progname\: warning\: no such directory\: \`$rel_source_dir\'
170 for rel_source_subdir
in $subdirs; do
172 abs_target_subdir
=${abs_target_dir}/${rel_source_subdir}
173 if [ \
! -d $abs_target_subdir ] ; then
174 mkdir
$abs_target_subdir
176 # Append "/"; remove initial "./". Hence "." -> "" and "sys" -> "sys/".
177 rel_source_prefix
=`echo $rel_source_subdir | sed -e 's|$|/|' -e 's|^./||'`
181 # The 'sed' is in case the *.h matches nothing, which yields "*.h"
182 # which would then get re-globbed in the current directory. Sigh.
183 rel_source_files
=`cd ${abs_source_dir}/${rel_source_subdir}; echo *.h | sed -e 's|[*].h|NONE|'`
187 files_to_check
="$std_files"
190 # Also process files #included by the $std_files.
191 while [ -n "${files_to_check}" ]
193 new_files_to_check
=""
194 for file in $files_to_check ; do
195 case " $rel_source_files " in
197 # Already seen $file; nothing to do
200 if test -f $src_dir_std/$file ; then
201 rel_dir
=`echo $file | sed -n -e 's|^\(.*/\)[^/]*$|\1|p'`
202 # For #include "foo.h", that might be either "foo.h"
203 # or "${rel_dir}foo.h (or something bogus).
204 new_files_to_check
="$new_files_to_check "`sed -n \
206 -e 's@^ *# *include *<\([^>]*\)>.*$@\1@p' -e \
207 's@^ *# *include *\"\([^\"]*\)\".*$@\1 '$rel_dir'\1@p'\
209 rel_source_files
="$rel_source_files $file"
214 files_to_check
="$new_files_to_check"
216 rel_source_files
="$rel_source_files"
220 for filename
in $rel_source_files ; do
221 rel_source_file
=${rel_source_prefix}${filename}
222 abs_source_file
=$abs_source_dir/$rel_source_file
223 abs_target_file
=$abs_target_dir/$rel_source_file
225 if test "$filename" = 'NONE' ; then
226 echo "(No *.h files in $abs_source_dir/$rel_source_subdir)"
227 # If target file exists, check if was written while processing one
228 # of the earlier source directories; if so ignore it.
229 elif test -f $abs_target_file -a -n "$done_dirs" \
230 && grep "$rel_source_file" fixproto.list
>/dev
/null
233 # echo doing $rel_source_file from $abs_source_dir
236 case $rel_source_file in
238 required_list
="isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit tolower toupper" ;;
240 required_list
="closedir opendir readdir rewinddir" ;;
242 extra_check_list
="errno" ;;
244 required_list
="box delwin endwin getcurx getcury initscr mvcur mvwprintw mvwscanw newwin overlay overwrite scroll subwin touchwin waddstr wclear wclrtobot wclrtoeol waddch wdelch wdeleteln werase wgetch wgetstr winsch winsertln wmove wprintw wrefresh wscanw wstandend wstandout" ;;
246 required_list
="creat fcntl open" ;;
248 #Maybe also "getgrent fgetgrent setgrent endgrent" */
249 required_list
="getgrgid getgrnam" ;;
251 required_list
= /* Lots of macros
*/ ;;
253 required_list
="localeconv setlocale" ;;
255 required_list
="acos asin atan atan2 ceil cos cosh exp fabs floor fmod frexp ldexp log10 log modf pow sin sinh sqrt tan tanh"
256 extra_check_list
="HUGE_VAL" ;;
258 required_list
="getpwnam getpwuid" ;;
260 # Left out siglongjmp sigsetjmp - these depend on sigjmp_buf.
261 required_list
="longjmp setjmp" ;;
263 # Left out signal() - its prototype is too complex for us!
264 # Also left out "sigaction sigaddset sigdelset sigemptyset
265 # sigfillset sigismember sigpending sigprocmask sigsuspend"
266 # because these need sigset_t or struct sigaction.
267 # Most systems that provide them will also declare them.
268 required_list
="kill raise" ;;
270 # Omitted vfprintf, vprintf, vsprintf because it's hard
271 # to specify the right data type, and because not all systems
273 required_list
="clearerr fclose feof ferror fflush fgetc fgetpos fgets fopen fprintf fputc fputs fread freopen fscanf fseek fsetpos ftell fwrite getc getchar gets perror printf putc putchar puts remove rename rewind scanf setbuf setvbuf sprintf sscanf tmpfile tmpnam ungetc"
274 if grep '[^_a-zA-Z0-9]_flsbuf' <$abs_source_file >/dev
/null
; then
275 required_list
="$required_list _flsbuf _filbuf"
277 # Should perhaps also handle NULL, EOF, ... ?
280 required_list
="$required_stdlib_h" ;;
282 required_list
="memchr memcmp memcpy memmove memset strcat strchr strcmp strcoll strcpy strcspn strerror strlen strncat strncmp" ;;
283 # Should perhaps also add NULL and size_t
285 required_list
="chmod fstat mkdir mkfifo stat umask"
286 extra_check_list
="S_ISDIR S_ISBLK S_ISCHR S_ISFIFO S_ISREG S_ISLNK S_IFDIR S_IFBLK S_IFCHR S_IFIFO S_IFREG S_IFLNK" ;;
288 required_list
="times" ;;
289 # "sys/types.h" add types (not in old g++-include)
291 required_list
="uname" ;;
293 required_list
="wait waitpid"
294 extra_check_list
="WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED WSTOPSIG WTERMSIG WNOHANG WNOTRACED" ;;
298 required_list
="cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcdrain tcflow tcflush tcgetattr tcsendbreak tcsetattr" ;;
300 required_list
="asctime clock ctime difftime gmtime localtime mktime strftime time tzset" ;;
302 required_list
="$required_unistd_h" ;;
304 rm -f fixtmp.c fixtmp.i
305 echo "#include <${rel_source_file}>" >fixtmp.c
306 for macro
in ${required_list} ${extra_check_list}
308 echo "#ifdef ${macro}" >>fixtmp.c
309 echo "__DEFINED_MACRO_${macro};" >>fixtmp.c
310 echo "#endif" >>fixtmp.c
312 if ${CPP} -D__STDC__ -D__cplusplus -D_POSIX_SOURCE $include_path fixtmp.c
>fixtmp.i
2>/dev
/null
314 $original_dir/fix-header
$rel_source_file $abs_source_file $abs_target_file "$required_list" <fixtmp.i
316 echo "${progname}: cpp could not parse ${abs_source_file} (ignored)"
318 echo "${rel_source_file}" >>fixproto.list
321 rm -f fixtmp.c fixtmp.i
323 # check for broken assert.h that needs stdio.h
324 if test -f $abs_source_dir/assert.h
-a \
! -f $abs_target_dir/assert.h \
325 && grep 'stderr' $abs_source_dir/assert.h
>/dev
/null
327 if grep 'include.*stdio.h' $abs_source_dir/assert.h
>/dev
/null
330 echo 'Fixing broken assert.h (needs stdio.h)'
331 cat $abs_source_dir/assert.h
>$abs_target_dir/assert.h
332 echo '#include <stdio.h>' >>$abs_target_dir/assert.h
335 done_dirs
="$done_dir $rel_source_dir"
338 # This might be more cleanly moved into the main loop, by adding
339 # a <dummy> source directory at the end. FIXME!
340 for rel_source_file
in unistd.h stdlib.h
342 if grep "$rel_source_file" fixproto.list
>/dev
/null
345 echo Adding missing
$rel_source_file
346 rel_source_ident
=`echo $rel_source_file | tr ./ __`
347 required_list
=`eval echo '${required_'${rel_source_ident}'-}'`
349 #ifndef ${rel_source_ident}
350 #define ${rel_source_ident}
353 $original_dir/fix-header
$rel_source_file tmp.h
$abs_target_dir/$rel_source_file "$required_list" </dev
/null