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+To: vim-dev@vim.org
+Subject: Patch 7.2.173
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.2.173
+Problem: Without lint there is no check for unused function arguments.
+Solution: Use gcc -Wunused-parameter instead of lint. For a few files add
+ attributes to arguments that are known not to be used.
+Files: src/auto/configure, src/buffer.c, src/charset.c, src/diff.c,
+ src/configure.in, src/config.h.in, src/edit.c, src/ex_cmds.c,
+ src/ex_cmds2.c, src/version.c, src/vim.h
+
+
+*** ../vim-7.2.172/src/auto/configure 2009-05-13 14:48:55.000000000 +0200
+--- src/auto/configure 2009-05-14 22:08:12.000000000 +0200
+***************
+*** 10362,10367 ****
+--- 10372,10427 ----
+
+ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
++ { $as_echo "$as_me:$LINENO: checking whether __attribute__((unused)) is allowed" >&5
++ $as_echo_n "checking whether __attribute__((unused)) is allowed... " >&6; }
++ cat >conftest.$ac_ext <<_ACEOF
++ /* confdefs.h. */
++ _ACEOF
++ cat confdefs.h >>conftest.$ac_ext
++ cat >>conftest.$ac_ext <<_ACEOF
++ /* end confdefs.h. */
++ #include <stdio.h>
++ int
++ main ()
++ {
++ int x __attribute__((unused));
++ ;
++ return 0;
++ }
++ _ACEOF
++ rm -f conftest.$ac_objext
++ if { (ac_try="$ac_compile"
++ case "(($ac_try" in
++ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
++ *) ac_try_echo=$ac_try;;
++ esac
++ eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
++ $as_echo "$ac_try_echo") >&5
++ (eval "$ac_compile") 2>conftest.er1
++ ac_status=$?
++ grep -v '^ *+' conftest.er1 >conftest.err
++ rm -f conftest.er1
++ cat conftest.err >&5
++ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
++ (exit $ac_status); } && {
++ test -z "$ac_c_werror_flag" ||
++ test ! -s conftest.err
++ } && test -s conftest.$ac_objext; then
++ { $as_echo "$as_me:$LINENO: result: yes" >&5
++ $as_echo "yes" >&6; }; cat >>confdefs.h <<\_ACEOF
++ #define HAVE_ATTRIBUTE_UNUSED 1
++ _ACEOF
++
++ else
++ $as_echo "$as_me: failed program was:" >&5
++ sed 's/^/| /' conftest.$ac_ext >&5
++
++ { $as_echo "$as_me:$LINENO: result: no" >&5
++ $as_echo "no" >&6; }
++ fi
++
++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
++
+ if test "${ac_cv_header_elf_h+set}" = set; then
+ { $as_echo "$as_me:$LINENO: checking for elf.h" >&5
+ $as_echo_n "checking for elf.h... " >&6; }
+*** ../vim-7.2.172/src/buffer.c 2009-05-13 20:47:07.000000000 +0200
+--- src/buffer.c 2009-05-14 21:34:06.000000000 +0200
+***************
+*** 512,523 ****
+ * buf_freeall() - free all things allocated for a buffer that are related to
+ * the file.
+ */
+- /*ARGSUSED*/
+ void
+ buf_freeall(buf, del_buf, wipe_buf)
+ buf_T *buf;
+! int del_buf; /* buffer is going to be deleted */
+! int wipe_buf; /* buffer is going to be wiped out */
+ {
+ #ifdef FEAT_AUTOCMD
+ int is_curbuf = (buf == curbuf);
+--- 512,522 ----
+ * buf_freeall() - free all things allocated for a buffer that are related to
+ * the file.
+ */
+ void
+ buf_freeall(buf, del_buf, wipe_buf)
+ buf_T *buf;
+! int del_buf UNUSED; /* buffer is going to be deleted */
+! int wipe_buf UNUSED; /* buffer is going to be wiped out */
+ {
+ #ifdef FEAT_AUTOCMD
+ int is_curbuf = (buf == curbuf);
+***************
+*** 2437,2447 ****
+ * another tab page.
+ * Returns NULL when there isn't any info.
+ */
+- /*ARGSUSED*/
+ static wininfo_T *
+ find_wininfo(buf, skip_diff_buffer)
+ buf_T *buf;
+! int skip_diff_buffer;
+ {
+ wininfo_T *wip;
+
+--- 2436,2445 ----
+ * another tab page.
+ * Returns NULL when there isn't any info.
+ */
+ static wininfo_T *
+ find_wininfo(buf, skip_diff_buffer)
+ buf_T *buf;
+! int skip_diff_buffer UNUSED;
+ {
+ wininfo_T *wip;
+
+***************
+*** 4278,4287 ****
+ * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL.
+ * "ffname" becomes a pointer to allocated memory (or NULL).
+ */
+- /*ARGSUSED*/
+ void
+ fname_expand(buf, ffname, sfname)
+! buf_T *buf;
+ char_u **ffname;
+ char_u **sfname;
+ {
+--- 4276,4284 ----
+ * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL.
+ * "ffname" becomes a pointer to allocated memory (or NULL).
+ */
+ void
+ fname_expand(buf, ffname, sfname)
+! buf_T *buf UNUSED;
+ char_u **ffname;
+ char_u **sfname;
+ {
+***************
+*** 5577,5587 ****
+ * this buffer. Call this to wipe out a temp buffer that does not contain any
+ * marks.
+ */
+- /*ARGSUSED*/
+ void
+ wipe_buffer(buf, aucmd)
+ buf_T *buf;
+! int aucmd; /* When TRUE trigger autocommands. */
+ {
+ if (buf->b_fnum == top_file_num - 1)
+ --top_file_num;
+--- 5574,5583 ----
+ * this buffer. Call this to wipe out a temp buffer that does not contain any
+ * marks.
+ */
+ void
+ wipe_buffer(buf, aucmd)
+ buf_T *buf;
+! int aucmd UNUSED; /* When TRUE trigger autocommands. */
+ {
+ if (buf->b_fnum == top_file_num - 1)
+ --top_file_num;
+*** ../vim-7.2.172/src/charset.c 2009-05-13 14:10:46.000000000 +0200
+--- src/charset.c 2009-05-14 21:34:30.000000000 +0200
+***************
+*** 1026,1038 ****
+ * string at start of line. Warning: *headp is only set if it's a non-zero
+ * value, init to 0 before calling.
+ */
+- /*ARGSUSED*/
+ int
+ win_lbr_chartabsize(wp, s, col, headp)
+ win_T *wp;
+ char_u *s;
+ colnr_T col;
+! int *headp;
+ {
+ #ifdef FEAT_LINEBREAK
+ int c;
+--- 1026,1037 ----
+ * string at start of line. Warning: *headp is only set if it's a non-zero
+ * value, init to 0 before calling.
+ */
+ int
+ win_lbr_chartabsize(wp, s, col, headp)
+ win_T *wp;
+ char_u *s;
+ colnr_T col;
+! int *headp UNUSED;
+ {
+ #ifdef FEAT_LINEBREAK
+ int c;
+*** ../vim-7.2.172/src/diff.c 2009-05-13 18:54:14.000000000 +0200
+--- src/diff.c 2009-05-14 21:24:59.000000000 +0200
+***************
+*** 652,661 ****
+ * The buffers are written to a file, also for unmodified buffers (the file
+ * could have been produced by autocommands, e.g. the netrw plugin).
+ */
+- /*ARGSUSED*/
+ void
+ ex_diffupdate(eap)
+! exarg_T *eap; /* can be NULL, it's not used */
+ {
+ buf_T *buf;
+ int idx_orig;
+--- 652,660 ----
+ * The buffers are written to a file, also for unmodified buffers (the file
+ * could have been produced by autocommands, e.g. the netrw plugin).
+ */
+ void
+ ex_diffupdate(eap)
+! exarg_T *eap UNUSED; /* can be NULL */
+ {
+ buf_T *buf;
+ int idx_orig;
+***************
+*** 1094,1103 ****
+ /*
+ * Set options to show difs for the current window.
+ */
+- /*ARGSUSED*/
+ void
+ ex_diffthis(eap)
+! exarg_T *eap;
+ {
+ /* Set 'diff', 'scrollbind' on and 'wrap' off. */
+ diff_win_options(curwin, TRUE);
+--- 1093,1101 ----
+ /*
+ * Set options to show difs for the current window.
+ */
+ void
+ ex_diffthis(eap)
+! exarg_T *eap UNUSED;
+ {
+ /* Set 'diff', 'scrollbind' on and 'wrap' off. */
+ diff_win_options(curwin, TRUE);
+*** ../vim-7.2.172/src/configure.in 2009-05-13 14:48:55.000000000 +0200
+--- src/configure.in 2009-05-14 22:08:06.000000000 +0200
+***************
+*** 2067,2072 ****
+--- 2067,2077 ----
+ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_DATE_TIME),
+ AC_MSG_RESULT(no))
+
++ AC_MSG_CHECKING(whether __attribute__((unused)) is allowed)
++ AC_TRY_COMPILE([#include <stdio.h>], [int x __attribute__((unused));],
++ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_ATTRIBUTE_UNUSED),
++ AC_MSG_RESULT(no))
++
+ dnl Checks for header files.
+ AC_CHECK_HEADER(elf.h, HAS_ELF=1)
+ dnl AC_CHECK_HEADER(dwarf.h, SVR4=1)
+*** ../vim-7.2.172/src/config.h.in 2009-03-02 02:44:54.000000000 +0100
+--- src/config.h.in 2009-05-14 21:15:02.000000000 +0200
+***************
+*** 30,35 ****
+--- 30,38 ----
+ /* Define when __DATE__ " " __TIME__ can be used */
+ #undef HAVE_DATE_TIME
+
++ /* Define when __attribute__((unused)) can be used */
++ #undef HAVE_ATTRIBUTE_UNUSED
++
+ /* defined always when using configure */
+ #undef UNIX
+
+*** ../vim-7.2.172/src/edit.c 2009-05-13 18:54:14.000000000 +0200
+--- src/edit.c 2009-05-14 21:35:08.000000000 +0200
+***************
+*** 1447,1456 ****
+ * Only redraw when there are no characters available. This speeds up
+ * inserting sequences of characters (e.g., for CTRL-R).
+ */
+- /*ARGSUSED*/
+ static void
+ ins_redraw(ready)
+! int ready; /* not busy with something */
+ {
+ if (!char_avail())
+ {
+--- 1447,1455 ----
+ * Only redraw when there are no characters available. This speeds up
+ * inserting sequences of characters (e.g., for CTRL-R).
+ */
+ static void
+ ins_redraw(ready)
+! int ready UNUSED; /* not busy with something */
+ {
+ if (!char_avail())
+ {
+***************
+*** 1962,1971 ****
+ * Only matters when there are composing characters.
+ * Return TRUE when something was deleted.
+ */
+- /*ARGSUSED*/
+ static int
+ del_char_after_col(limit_col)
+! int limit_col;
+ {
+ #ifdef FEAT_MBYTE
+ if (enc_utf8 && limit_col >= 0)
+--- 1961,1969 ----
+ * Only matters when there are composing characters.
+ * Return TRUE when something was deleted.
+ */
+ static int
+ del_char_after_col(limit_col)
+! int limit_col UNUSED;
+ {
+ #ifdef FEAT_MBYTE
+ if (enc_utf8 && limit_col >= 0)
+*** ../vim-7.2.172/src/ex_cmds.c 2009-05-14 21:51:06.000000000 +0200
+--- src/ex_cmds.c 2009-05-14 21:11:01.000000000 +0200
+***************
+*** 43,52 ****
+ /*
+ * ":ascii" and "ga".
+ */
+- /*ARGSUSED*/
+ void
+ do_ascii(eap)
+! exarg_T *eap;
+ {
+ int c;
+ int cval;
+--- 43,51 ----
+ /*
+ * ":ascii" and "ga".
+ */
+ void
+ do_ascii(eap)
+! exarg_T *eap UNUSED;
+ {
+ int c;
+ int cval;
+***************
+*** 2373,2382 ****
+ * ^? ^H
+ * not ^? ^?
+ */
+- /*ARGSUSED*/
+ void
+ do_fixdel(eap)
+! exarg_T *eap;
+ {
+ char_u *p;
+
+--- 2372,2380 ----
+ * ^? ^H
+ * not ^? ^?
+ */
+ void
+ do_fixdel(eap)
+! exarg_T *eap UNUSED;
+ {
+ char_u *p;
+
+***************
+*** 6127,6136 ****
+ /*
+ * ":exusage"
+ */
+- /*ARGSUSED*/
+ void
+ ex_exusage(eap)
+! exarg_T *eap;
+ {
+ do_cmdline_cmd((char_u *)"help ex-cmd-index");
+ }
+--- 6125,6133 ----
+ /*
+ * ":exusage"
+ */
+ void
+ ex_exusage(eap)
+! exarg_T *eap UNUSED;
+ {
+ do_cmdline_cmd((char_u *)"help ex-cmd-index");
+ }
+***************
+*** 6138,6147 ****
+ /*
+ * ":viusage"
+ */
+- /*ARGSUSED*/
+ void
+ ex_viusage(eap)
+! exarg_T *eap;
+ {
+ do_cmdline_cmd((char_u *)"help normal-index");
+ }
+--- 6135,6143 ----
+ /*
+ * ":viusage"
+ */
+ void
+ ex_viusage(eap)
+! exarg_T *eap UNUSED;
+ {
+ do_cmdline_cmd((char_u *)"help normal-index");
+ }
+***************
+*** 7154,7163 ****
+ * Function given to ExpandGeneric() to obtain the sign command
+ * expansion.
+ */
+- /*ARGSUSED*/
+ char_u *
+ get_sign_name(xp, idx)
+! expand_T *xp;
+ int idx;
+ {
+ sign_T *sp;
+--- 7150,7158 ----
+ * Function given to ExpandGeneric() to obtain the sign command
+ * expansion.
+ */
+ char_u *
+ get_sign_name(xp, idx)
+! expand_T *xp UNUSED;
+ int idx;
+ {
+ sign_T *sp;
+*** ../vim-7.2.172/src/ex_cmds2.c 2009-05-13 18:54:14.000000000 +0200
+--- src/ex_cmds2.c 2009-05-14 21:35:40.000000000 +0200
+***************
+*** 680,689 ****
+ /*
+ * ":breaklist".
+ */
+- /*ARGSUSED*/
+ void
+ ex_breaklist(eap)
+! exarg_T *eap;
+ {
+ struct debuggy *bp;
+ int i;
+--- 680,688 ----
+ /*
+ * ":breaklist".
+ */
+ void
+ ex_breaklist(eap)
+! exarg_T *eap UNUSED;
+ {
+ struct debuggy *bp;
+ int i;
+***************
+*** 1342,1355 ****
+ /*
+ * return TRUE if buffer was changed and cannot be abandoned.
+ */
+- /*ARGSUSED*/
+ int
+ check_changed(buf, checkaw, mult_win, forceit, allbuf)
+ buf_T *buf;
+ int checkaw; /* do autowrite if buffer was changed */
+ int mult_win; /* check also when several wins for the buf */
+ int forceit;
+! int allbuf; /* may write all buffers */
+ {
+ if ( !forceit
+ && bufIsChanged(buf)
+--- 1341,1353 ----
+ /*
+ * return TRUE if buffer was changed and cannot be abandoned.
+ */
+ int
+ check_changed(buf, checkaw, mult_win, forceit, allbuf)
+ buf_T *buf;
+ int checkaw; /* do autowrite if buffer was changed */
+ int mult_win; /* check also when several wins for the buf */
+ int forceit;
+! int allbuf UNUSED; /* may write all buffers */
+ {
+ if ( !forceit
+ && bufIsChanged(buf)
+***************
+*** 1759,1770 ****
+ *
+ * Return FAIL for failure, OK otherwise.
+ */
+- /*ARGSUSED*/
+ static int
+ do_arglist(str, what, after)
+ char_u *str;
+! int what;
+! int after; /* 0 means before first one */
+ {
+ garray_T new_ga;
+ int exp_count;
+--- 1757,1767 ----
+ *
+ * Return FAIL for failure, OK otherwise.
+ */
+ static int
+ do_arglist(str, what, after)
+ char_u *str;
+! int what UNUSED;
+! int after UNUSED; /* 0 means before first one */
+ {
+ garray_T new_ga;
+ int exp_count;
+***************
+*** 2549,2559 ****
+
+ static void source_callback __ARGS((char_u *fname, void *cookie));
+
+- /*ARGSUSED*/
+ static void
+ source_callback(fname, cookie)
+ char_u *fname;
+! void *cookie;
+ {
+ (void)do_source(fname, FALSE, DOSO_NONE);
+ }
+--- 2546,2555 ----
+
+ static void source_callback __ARGS((char_u *fname, void *cookie));
+
+ static void
+ source_callback(fname, cookie)
+ char_u *fname;
+! void *cookie UNUSED;
+ {
+ (void)do_source(fname, FALSE, DOSO_NONE);
+ }
+***************
+*** 2680,2689 ****
+ /*
+ * ":options"
+ */
+- /*ARGSUSED*/
+ void
+ ex_options(eap)
+! exarg_T *eap;
+ {
+ cmd_source((char_u *)SYS_OPTWIN_FILE, NULL);
+ }
+--- 2676,2684 ----
+ /*
+ * ":options"
+ */
+ void
+ ex_options(eap)
+! exarg_T *eap UNUSED;
+ {
+ cmd_source((char_u *)SYS_OPTWIN_FILE, NULL);
+ }
+***************
+*** 3190,3199 ****
+ /*
+ * ":scriptnames"
+ */
+- /*ARGSUSED*/
+ void
+ ex_scriptnames(eap)
+! exarg_T *eap;
+ {
+ int i;
+
+--- 3185,3193 ----
+ /*
+ * ":scriptnames"
+ */
+ void
+ ex_scriptnames(eap)
+! exarg_T *eap UNUSED;
+ {
+ int i;
+
+***************
+*** 3317,3328 ****
+ * Return a pointer to the line in allocated memory.
+ * Return NULL for end-of-file or some error.
+ */
+- /* ARGSUSED */
+ char_u *
+ getsourceline(c, cookie, indent)
+! int c; /* not used */
+ void *cookie;
+! int indent; /* not used */
+ {
+ struct source_cookie *sp = (struct source_cookie *)cookie;
+ char_u *line;
+--- 3311,3321 ----
+ * Return a pointer to the line in allocated memory.
+ * Return NULL for end-of-file or some error.
+ */
+ char_u *
+ getsourceline(c, cookie, indent)
+! int c UNUSED;
+ void *cookie;
+! int indent UNUSED;
+ {
+ struct source_cookie *sp = (struct source_cookie *)cookie;
+ char_u *line;
+***************
+*** 3649,3658 ****
+ * ":scriptencoding": Set encoding conversion for a sourced script.
+ * Without the multi-byte feature it's simply ignored.
+ */
+- /*ARGSUSED*/
+ void
+ ex_scriptencoding(eap)
+! exarg_T *eap;
+ {
+ #ifdef FEAT_MBYTE
+ struct source_cookie *sp;
+--- 3642,3650 ----
+ * ":scriptencoding": Set encoding conversion for a sourced script.
+ * Without the multi-byte feature it's simply ignored.
+ */
+ void
+ ex_scriptencoding(eap)
+! exarg_T *eap UNUSED;
+ {
+ #ifdef FEAT_MBYTE
+ struct source_cookie *sp;
+***************
+*** 4101,4110 ****
+ * Function given to ExpandGeneric() to obtain the possible arguments of the
+ * ":language" command.
+ */
+- /*ARGSUSED*/
+ char_u *
+ get_lang_arg(xp, idx)
+! expand_T *xp;
+ int idx;
+ {
+ if (idx == 0)
+--- 4093,4101 ----
+ * Function given to ExpandGeneric() to obtain the possible arguments of the
+ * ":language" command.
+ */
+ char_u *
+ get_lang_arg(xp, idx)
+! expand_T *xp UNUSED;
+ int idx;
+ {
+ if (idx == 0)
+*** ../vim-7.2.172/src/version.c 2009-05-14 22:00:37.000000000 +0200
+--- src/version.c 2009-05-14 22:14:51.000000000 +0200
+***************
+*** 1623,1632 ****
+ /*
+ * ":intro": clear screen, display intro screen and wait for return.
+ */
+- /*ARGSUSED*/
+ void
+ ex_intro(eap)
+! exarg_T *eap;
+ {
+ screenclear();
+ intro_message(TRUE);
+--- 1625,1633 ----
+ /*
+ * ":intro": clear screen, display intro screen and wait for return.
+ */
+ void
+ ex_intro(eap)
+! exarg_T *eap UNUSED;
+ {
+ screenclear();
+ intro_message(TRUE);
+*** ../vim-7.2.172/src/vim.h 2009-05-13 18:54:14.000000000 +0200
+--- src/vim.h 2009-05-14 21:17:51.000000000 +0200
+***************
+*** 262,267 ****
+--- 262,275 ----
+ # define __PARMS(x) __ARGS(x)
+ #endif
+
++ /* Mark unused function arguments with UNUSED, so that gcc -Wunused-parameter
++ * can be used to check for mistakes. */
++ #ifdef HAVE_ATTRIBUTE_UNUSED
++ # define UNUSED __attribute__((unused))
++ #else
++ # define UNUSED
++ #endif
++
+ /* if we're compiling in C++ (currently only KVim), the system
+ * headers must have the correct prototypes or nothing will build.
+ * conversely, our prototypes might clash due to throw() specifiers and
+*** ../vim-7.2.172/src/version.c 2009-05-14 22:00:37.000000000 +0200
+--- src/version.c 2009-05-14 22:14:51.000000000 +0200
+***************
+*** 678,679 ****
+--- 678,681 ----
+ { /* Add new patch number below this line */
++ /**/
++ 173,
+ /**/
+
+--
+SIGIRO -- irony detected (iron core dumped)
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ download, build and distribute -- http://www.A-A-P.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///