Mercurial > vim
annotate src/osdef.sh @ 32321:b9a8d1c453e1 v9.0.1492
patch 9.0.1492: using uninitialized memory when argument is missing
Commit: https://github.com/vim/vim/commit/b7f2270bab102d68f83a6300699b7f98efad81f2
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Apr 27 16:24:07 2023 +0100
patch 9.0.1492: using uninitialized memory when argument is missing
Problem: Using uninitialized memory when argument is missing.
Solution: Check there are sufficient arguments before the base.
(closes #12302)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 27 Apr 2023 17:30:05 +0200 |
| parents | befdf44737d1 |
| children |
| rev | line source |
|---|---|
| 7 | 1 #! /bin/sh |
| 2 # | |
| 3 # osdef.sh -- copy osdef.h.in to osdef.h while removing declarations | |
| 4 # found in the system header files. Caution: weird sed magic going on here. | |
| 5 # Warnings are printed if sed did not survive. | |
| 6 # | |
| 7 # (C) Michael Schroeder, Juergen Weigert | |
| 8 # | |
| 9 # osdef.h.in has been split into osdef1.h.in and osdef2.h.in, because some | |
| 10 # sed's could not handle the amount of commands (is 50 commands the limit?). | |
| 11 # | |
| 12 # 31.10.95 jw. | |
| 13 | |
| 14 if test -z "$CC"; then | |
| 15 CC=cc | |
| 16 fi | |
| 17 if test -z "$srcdir"; then | |
| 18 srcdir=. | |
| 19 fi | |
| 20 | |
|
19235
befdf44737d1
patch 8.2.0176: generating os headers does not work for Swedish
Bram Moolenaar <Bram@vim.org>
parents:
7722
diff
changeset
|
21 # Make sure collation works as expected |
|
befdf44737d1
patch 8.2.0176: generating os headers does not work for Swedish
Bram Moolenaar <Bram@vim.org>
parents:
7722
diff
changeset
|
22 # swedish range [a-z] does not match 'w' |
|
befdf44737d1
patch 8.2.0176: generating os headers does not work for Swedish
Bram Moolenaar <Bram@vim.org>
parents:
7722
diff
changeset
|
23 export LC_COLLATE=C |
|
befdf44737d1
patch 8.2.0176: generating os headers does not work for Swedish
Bram Moolenaar <Bram@vim.org>
parents:
7722
diff
changeset
|
24 export LC_ALL= |
|
befdf44737d1
patch 8.2.0176: generating os headers does not work for Swedish
Bram Moolenaar <Bram@vim.org>
parents:
7722
diff
changeset
|
25 |
| 7 | 26 rm -f core* *.core |
| 27 | |
| 28 cat << EOF > osdef0.c | |
| 29 #ifndef __APPLE__ | |
| 30 # define select select_declared_wrong | |
| 31 #endif | |
| 32 #define tgetstr tgetstr_declared_wrong | |
| 33 #include "auto/config.h" | |
| 34 #include "os_unix.h" /* bring in most header files, more follow below */ | |
| 35 #include "os_unixx.h" /* bring in header files for os_unix.c */ | |
| 36 | |
| 37 #ifdef HAVE_TERMCAP_H | |
| 38 # include <termcap.h> /* only for term.c */ | |
| 39 #endif | |
| 40 | |
| 41 #ifdef HAVE_FCNTL_H | |
| 42 # include <fcntl.h> /* only used in a few files */ | |
| 43 #endif | |
| 44 | |
| 45 #ifdef HAVE_SYS_STATFS_H | |
| 46 # include <sys/types.h> | |
| 47 # include <sys/statfs.h> /* only for memfile.c */ | |
| 48 #endif | |
| 49 | |
| 50 #ifdef HAVE_X11 | |
| 51 # include <X11/Intrinsic.h> | |
| 52 #endif | |
| 53 EOF | |
| 54 | |
| 5436 | 55 $CC -I. -I$srcdir -E osdef0.c >osdef0.cc |
| 7 | 56 |
| 57 # insert a space in front of each line, so that a function name at the | |
| 58 # start of the line is matched with "[)*, ]\1[ (]" | |
| 59 sed < osdef0.cc -e '/\(..*\)/s// \1/' > osdef0.ccc | |
| 60 | |
|
7722
c4f8b1d48f20
commit https://github.com/vim/vim/commit/e240c2da796531e807ea9df78bdbcc7b1012870c
Christian Brabandt <cb@256bit.org>
parents:
5436
diff
changeset
|
61 sed < $srcdir/osdef1.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([a-zA-Z_][a-zA-Z0-9_]*\)(.*@/[)*, ][(]*\1[)]*[ (]/i\\\ |
|
c4f8b1d48f20
commit https://github.com/vim/vim/commit/e240c2da796531e807ea9df78bdbcc7b1012870c
Christian Brabandt <cb@256bit.org>
parents:
5436
diff
changeset
|
62 \\/\\[^a-zA-Z_\\]\1(\\/d@p' > osdef11.sed |
| 7 | 63 |
|
7722
c4f8b1d48f20
commit https://github.com/vim/vim/commit/e240c2da796531e807ea9df78bdbcc7b1012870c
Christian Brabandt <cb@256bit.org>
parents:
5436
diff
changeset
|
64 sed < $srcdir/osdef2.h.in -n -e '/^extern/s@.*[)* ][)* ]*\([a-zA-Z_][a-zA-Z0-9_]*\)(.*@/[)*, ][(]*\1[)]*[ (]/i\\\ |
|
c4f8b1d48f20
commit https://github.com/vim/vim/commit/e240c2da796531e807ea9df78bdbcc7b1012870c
Christian Brabandt <cb@256bit.org>
parents:
5436
diff
changeset
|
65 \\/\\[^a-zA-Z_\\]\1(\\/d@p' > osdef21.sed |
| 7 | 66 |
| 67 cat << EOF > osdef2.sed | |
| 68 1i\\ | |
| 69 /* | |
| 70 1i\\ | |
| 71 * osdef.h is automagically created from osdef?.h.in by osdef.sh -- DO NOT EDIT | |
| 72 1i\\ | |
| 73 */ | |
| 74 EOF | |
| 75 | |
| 76 cat osdef0.ccc | sed -n -f osdef11.sed >> osdef2.sed | |
| 77 sed -f osdef2.sed < $srcdir/osdef1.h.in > auto/osdef.h | |
| 78 | |
| 79 cat osdef0.ccc | sed -n -f osdef21.sed > osdef2.sed | |
| 80 sed -f osdef2.sed < $srcdir/osdef2.h.in >> auto/osdef.h | |
| 81 | |
| 82 rm osdef0.c osdef0.cc osdef0.ccc osdef11.sed osdef21.sed osdef2.sed | |
| 83 | |
| 84 if test -f core*; then | |
| 85 file core* | |
| 86 echo " Sorry, your sed is broken. Call the system administrator." | |
| 87 echo " Meanwhile, you may try to compile Vim with an empty osdef.h file." | |
| 88 echo " If you compiler complains about missing prototypes, move the needed" | |
| 89 echo " ones from osdef1.h.in and osdef2.h.in to osdef.h." | |
| 90 exit 1 | |
| 91 fi | |
| 92 cat $srcdir/osdef1.h.in $srcdir/osdef2.h.in >osdefX.h.in | |
| 93 if eval test "`diff auto/osdef.h osdefX.h.in | wc -l`" -eq 4; then | |
| 94 echo " Hmm, sed is very pessimistic about your system header files." | |
| 95 echo " But it did not dump core -- strange! Let's continue carefully..." | |
| 96 echo " If this fails, you may want to remove offending lines from osdef.h" | |
| 97 echo " or try with an empty osdef.h file, if your compiler can do without" | |
| 98 echo " function declarations." | |
| 99 fi | |
| 100 rm osdefX.h.in |