]> git.ipfire.org Git - thirdparty/gcc.git/blob - ar-lib
Fix a stack exhaustion bug in libiberty's demangler when decoding a pathalogically...
[thirdparty/gcc.git] / ar-lib
1 #! /bin/sh
2 # Wrapper for Microsoft lib.exe
3
4 me=ar-lib
5 scriptversion=2012-03-01.08; # UTC
6
7 # Copyright (C) 2010-2017 Free Software Foundation, Inc.
8 # Written by Peter Rosin <peda@lysator.liu.se>.
9 #
10 # This program 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)
13 # any later version.
14 #
15 # This program 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.
19 #
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22
23 # As a special exception to the GNU General Public License, if you
24 # distribute this file as part of a program that contains a
25 # configuration script generated by Autoconf, you may include it under
26 # the same distribution terms that you use for the rest of that program.
27
28 # This file is maintained in Automake, please report
29 # bugs to <bug-automake@gnu.org> or send patches to
30 # <automake-patches@gnu.org>.
31
32
33 # func_error message
34 func_error ()
35 {
36 echo "$me: $1" 1>&2
37 exit 1
38 }
39
40 file_conv=
41
42 # func_file_conv build_file
43 # Convert a $build file to $host form and store it in $file
44 # Currently only supports Windows hosts.
45 func_file_conv ()
46 {
47 file=$1
48 case $file in
49 / | /[!/]*) # absolute file, and not a UNC file
50 if test -z "$file_conv"; then
51 # lazily determine how to convert abs files
52 case `uname -s` in
53 MINGW*)
54 file_conv=mingw
55 ;;
56 CYGWIN*)
57 file_conv=cygwin
58 ;;
59 *)
60 file_conv=wine
61 ;;
62 esac
63 fi
64 case $file_conv in
65 mingw)
66 file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
67 ;;
68 cygwin)
69 file=`cygpath -m "$file" || echo "$file"`
70 ;;
71 wine)
72 file=`winepath -w "$file" || echo "$file"`
73 ;;
74 esac
75 ;;
76 esac
77 }
78
79 # func_at_file at_file operation archive
80 # Iterate over all members in AT_FILE performing OPERATION on ARCHIVE
81 # for each of them.
82 # When interpreting the content of the @FILE, do NOT use func_file_conv,
83 # since the user would need to supply preconverted file names to
84 # binutils ar, at least for MinGW.
85 func_at_file ()
86 {
87 operation=$2
88 archive=$3
89 at_file_contents=`cat "$1"`
90 eval set x "$at_file_contents"
91 shift
92
93 for member
94 do
95 $AR -NOLOGO $operation:"$member" "$archive" || exit $?
96 done
97 }
98
99 case $1 in
100 '')
101 func_error "no command. Try '$0 --help' for more information."
102 ;;
103 -h | --h*)
104 cat <<EOF
105 Usage: $me [--help] [--version] PROGRAM ACTION ARCHIVE [MEMBER...]
106
107 Members may be specified in a file named with @FILE.
108 EOF
109 exit $?
110 ;;
111 -v | --v*)
112 echo "$me, version $scriptversion"
113 exit $?
114 ;;
115 esac
116
117 if test $# -lt 3; then
118 func_error "you must specify a program, an action and an archive"
119 fi
120
121 AR=$1
122 shift
123 while :
124 do
125 if test $# -lt 2; then
126 func_error "you must specify a program, an action and an archive"
127 fi
128 case $1 in
129 -lib | -LIB \
130 | -ltcg | -LTCG \
131 | -machine* | -MACHINE* \
132 | -subsystem* | -SUBSYSTEM* \
133 | -verbose | -VERBOSE \
134 | -wx* | -WX* )
135 AR="$AR $1"
136 shift
137 ;;
138 *)
139 action=$1
140 shift
141 break
142 ;;
143 esac
144 done
145 orig_archive=$1
146 shift
147 func_file_conv "$orig_archive"
148 archive=$file
149
150 # strip leading dash in $action
151 action=${action#-}
152
153 delete=
154 extract=
155 list=
156 quick=
157 replace=
158 index=
159 create=
160
161 while test -n "$action"
162 do
163 case $action in
164 d*) delete=yes ;;
165 x*) extract=yes ;;
166 t*) list=yes ;;
167 q*) quick=yes ;;
168 r*) replace=yes ;;
169 s*) index=yes ;;
170 S*) ;; # the index is always updated implicitly
171 c*) create=yes ;;
172 u*) ;; # TODO: don't ignore the update modifier
173 v*) ;; # TODO: don't ignore the verbose modifier
174 *)
175 func_error "unknown action specified"
176 ;;
177 esac
178 action=${action#?}
179 done
180
181 case $delete$extract$list$quick$replace,$index in
182 yes,* | ,yes)
183 ;;
184 yesyes*)
185 func_error "more than one action specified"
186 ;;
187 *)
188 func_error "no action specified"
189 ;;
190 esac
191
192 if test -n "$delete"; then
193 if test ! -f "$orig_archive"; then
194 func_error "archive not found"
195 fi
196 for member
197 do
198 case $1 in
199 @*)
200 func_at_file "${1#@}" -REMOVE "$archive"
201 ;;
202 *)
203 func_file_conv "$1"
204 $AR -NOLOGO -REMOVE:"$file" "$archive" || exit $?
205 ;;
206 esac
207 done
208
209 elif test -n "$extract"; then
210 if test ! -f "$orig_archive"; then
211 func_error "archive not found"
212 fi
213 if test $# -gt 0; then
214 for member
215 do
216 case $1 in
217 @*)
218 func_at_file "${1#@}" -EXTRACT "$archive"
219 ;;
220 *)
221 func_file_conv "$1"
222 $AR -NOLOGO -EXTRACT:"$file" "$archive" || exit $?
223 ;;
224 esac
225 done
226 else
227 $AR -NOLOGO -LIST "$archive" | sed -e 's/\\/\\\\/g' | while read member
228 do
229 $AR -NOLOGO -EXTRACT:"$member" "$archive" || exit $?
230 done
231 fi
232
233 elif test -n "$quick$replace"; then
234 if test ! -f "$orig_archive"; then
235 if test -z "$create"; then
236 echo "$me: creating $orig_archive"
237 fi
238 orig_archive=
239 else
240 orig_archive=$archive
241 fi
242
243 for member
244 do
245 case $1 in
246 @*)
247 func_file_conv "${1#@}"
248 set x "$@" "@$file"
249 ;;
250 *)
251 func_file_conv "$1"
252 set x "$@" "$file"
253 ;;
254 esac
255 shift
256 shift
257 done
258
259 if test -n "$orig_archive"; then
260 $AR -NOLOGO -OUT:"$archive" "$orig_archive" "$@" || exit $?
261 else
262 $AR -NOLOGO -OUT:"$archive" "$@" || exit $?
263 fi
264
265 elif test -n "$list"; then
266 if test ! -f "$orig_archive"; then
267 func_error "archive not found"
268 fi
269 $AR -NOLOGO -LIST "$archive" || exit $?
270 fi