Anonymous avatar Anonymous committed 25672ad

updated for version 7.3.161
Problem: Items on the stack may be too big.
Solution: Make items static or allocate them.

Comments (0)

Files changed (14)

     typval_T	*argvars UNUSED;
     typval_T	*rettv;
 {
-    char_u	cwd[MAXPATHL];
-
-    rettv->v_type = VAR_STRING;
-    if (mch_dirname(cwd, MAXPATHL) == FAIL)
-	rettv->vval.v_string = NULL;
-    else
-    {
-	rettv->vval.v_string = vim_strsave(cwd);
+    char_u	*cwd;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+    cwd = alloc(MAXPATHL);
+    if (cwd != NULL)
+    {
+	if (mch_dirname(cwd, MAXPATHL) != FAIL)
+	{
+	    rettv->vval.v_string = vim_strsave(cwd);
 #ifdef BACKSLASH_IN_FILENAME
-	if (rettv->vval.v_string != NULL)
-	    slash_adjust(rettv->vval.v_string);
-#endif
+	    if (rettv->vval.v_string != NULL)
+		slash_adjust(rettv->vval.v_string);
+#endif
+	}
+	vim_free(cwd);
     }
 }
 
     typval_T	*rettv;
 {
     char_u	*p;
+#ifdef HAVE_READLINK
+    char_u	*buf = NULL;
+#endif
 
     p = get_tv_string(&argvars[0]);
 #ifdef FEAT_SHORTCUT
 #else
 # ifdef HAVE_READLINK
     {
-	char_u	buf[MAXPATHL + 1];
 	char_u	*cpy;
 	int	len;
 	char_u	*remain = NULL;
 	    q[-1] = NUL;
 	}
 
+	buf = alloc(MAXPATHL + 1);
+	if (buf == NULL)
+	    goto fail;
+
 	for (;;)
 	{
 	    for (;;)
 
 #ifdef HAVE_READLINK
 fail:
+    vim_free(buf);
 #endif
     rettv->v_type = VAR_STRING;
 }
     typval_T	*argvars UNUSED;
     typval_T	*rettv;
 {
-    char_u	fname[MAXPATHL + 1];
+    char_u	*fname;
     tagname_T	tn;
     int		first;
 
     if (rettv_list_alloc(rettv) == FAIL)
 	return;
+    fname = alloc(MAXPATHL);
+    if (fname == NULL)
+	return;
 
     for (first = TRUE; ; first = FALSE)
 	if (get_tagfname(&tn, first, fname) == FAIL
 		|| list_append_string(rettv->vval.v_list, fname, -1) == FAIL)
 	    break;
     tagname_free(&tn);
+    vim_free(fname);
 }
 
 /*
 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
 	    if (p_confirm || cmdmod.confirm)
 	    {
-		char_u	buff[IOSIZE];
+		char_u	buff[DIALOG_MSG_SIZE];
 
 		dialog_msg(buff, _("Overwrite existing file \"%s\"?"), fname);
 		if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) != VIM_YES)
 	/* For ":w! filename" check that no swap file exists for "filename". */
 	if (other && !emsg_silent)
 	{
-	    char_u	dir[MAXPATHL];
+	    char_u	*dir;
 	    char_u	*p;
 	    int		r;
 	    char_u	*swapname;
 	     * Use 'shortname' of the current buffer, since there is no buffer
 	     * for the written file. */
 	    if (*p_dir == NUL)
+	    {
+		dir = alloc(5);
+		if (dir == NULL)
+		    return FAIL;
 		STRCPY(dir, ".");
+	    }
 	    else
 	    {
+		dir = alloc(MAXPATHL);
+		if (dir == NULL)
+		    return FAIL;
 		p = p_dir;
 		copy_option_part(&p, dir, MAXPATHL, ",");
 	    }
 	    swapname = makeswapname(fname, ffname, curbuf, dir);
+	    vim_free(dir);
 	    r = vim_fexists(swapname);
 	    if (r)
 	    {
 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
 		if (p_confirm || cmdmod.confirm)
 		{
-		    char_u	buff[IOSIZE];
+		    char_u	buff[DIALOG_MSG_SIZE];
 
 		    dialog_msg(buff,
 			    _("Swap file \"%s\" exists, overwrite anyway?"),
 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
 	if ((p_confirm || cmdmod.confirm) && buf->b_fname != NULL)
 	{
-	    char_u	buff[IOSIZE];
+	    char_u	buff[DIALOG_MSG_SIZE];
 
 	    if (buf->b_p_ro)
 		dialog_msg(buff, _("'readonly' option is set for \"%s\".\nDo you wish to write anyway?"),
     buf_T	*buf;
     int		checkall;	/* may abandon all changed buffers */
 {
-    char_u	buff[IOSIZE];
+    char_u	buff[DIALOG_MSG_SIZE];
     int		ret;
     buf_T	*buf2;
 
 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
 	    if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
 	    {
-		char_u	buff[IOSIZE];
+		char_u	buff[DIALOG_MSG_SIZE];
 
 		if (n == 1)
 		    vim_strncpy(buff,
 			    (char_u *)_("1 more file to edit.  Quit anyway?"),
-								  IOSIZE - 1);
+							 DIALOG_MSG_SIZE - 1);
 		else
-		    vim_snprintf((char *)buff, IOSIZE,
+		    vim_snprintf((char *)buff, DIALOG_MSG_SIZE,
 			      _("%d more files to edit.  Quit anyway?"), n);
 		if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
 		    return OK;
 		failed = TRUE;
 	    if (eap->cmdidx == CMD_mksession)
 	    {
-		char_u dirnow[MAXPATHL];	/* current directory */
-
-		/*
-		 * Change to session file's dir.
-		 */
-		if (mch_dirname(dirnow, MAXPATHL) == FAIL
+		char_u *dirnow;	 /* current directory */
+
+		dirnow = alloc(MAXPATHL);
+		if (dirnow == NULL)
+		    failed = TRUE;
+		else
+		{
+		    /*
+		     * Change to session file's dir.
+		     */
+		    if (mch_dirname(dirnow, MAXPATHL) == FAIL
 					    || mch_chdir((char *)dirnow) != 0)
-		    *dirnow = NUL;
-		if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
-		{
-		    if (vim_chdirfile(fname) == OK)
+			*dirnow = NUL;
+		    if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
+		    {
+			if (vim_chdirfile(fname) == OK)
+			    shorten_fnames(TRUE);
+		    }
+		    else if (*dirnow != NUL
+			   && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
+		    {
+			if (mch_chdir((char *)globaldir) == 0)
+			    shorten_fnames(TRUE);
+		    }
+
+		    failed |= (makeopens(fd, dirnow) == FAIL);
+
+		    /* restore original dir */
+		    if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
+			|| ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
+		    {
+			if (mch_chdir((char *)dirnow) != 0)
+			    EMSG(_(e_prev_dir));
 			shorten_fnames(TRUE);
-		}
-		else if (*dirnow != NUL
-			&& (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
-		{
-		    if (mch_chdir((char *)globaldir) == 0)
-			shorten_fnames(TRUE);
-		}
-
-		failed |= (makeopens(fd, dirnow) == FAIL);
-
-		/* restore original dir */
-		if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
-			|| ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
-		{
-		    if (mch_chdir((char *)dirnow) != 0)
-			EMSG(_(e_prev_dir));
-		    shorten_fnames(TRUE);
+		    }
+		    vim_free(dirnow);
 		}
 	    }
 	    else
 	else if (eap->cmdidx == CMD_mksession)
 	{
 	    /* successful session write - set this_session var */
-	    char_u	tbuf[MAXPATHL];
-
-	    if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
-		set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
+	    char_u	*tbuf;
+
+	    tbuf = alloc(MAXPATHL);
+	    if (tbuf != NULL)
+	    {
+		if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
+		    set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
+		vim_free(tbuf);
+	    }
 	}
 #endif
 #ifdef MKSESSION_NL
     unsigned	*flagp;
 {
     int		i;
-    char_u	buf[MAXPATHL];
+    char_u	*buf = NULL;
     char_u	*s;
 
     if (gap->ga_len == 0)
 	{
 	    if (fullname)
 	    {
-		(void)vim_FullName(s, buf, MAXPATHL, FALSE);
-		s = buf;
+		buf = alloc(MAXPATHL);
+		if (buf != NULL)
+		{
+		    (void)vim_FullName(s, buf, MAXPATHL, FALSE);
+		    s = buf;
+		}
 	    }
 	    if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
+	    {
+		vim_free(buf);
 		return FAIL;
+	    }
+	    vim_free(buf);
 	}
     }
     return put_eol(fd);
 
 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
 /*
- * Make a dialog message in "buff[IOSIZE]".
+ * Make a dialog message in "buff[DIALOG_MSG_SIZE]".
  * "format" must contain "%s".
  */
     void
 {
     if (fname == NULL)
 	fname = (char_u *)_("Untitled");
-    vim_snprintf((char *)buff, IOSIZE, format, fname);
+    vim_snprintf((char *)buff, DIALOG_MSG_SIZE, format, fname);
 }
 #endif
 
 shorten_fname1(full_path)
     char_u	*full_path;
 {
-    char_u	dirname[MAXPATHL];
+    char_u	*dirname;
     char_u	*p = full_path;
 
+    dirname = alloc(MAXPATHL);
+    if (dirname == NULL)
+	return full_path;
     if (mch_dirname(dirname, MAXPATHL) == OK)
     {
 	p = shorten_fname(full_path, dirname);
 	if (p == NULL || *p == NUL)
 	    p = full_path;
     }
+    vim_free(dirname);
     return p;
 }
 #endif
     char	*name;
     struct prt_ps_resource_S *resource;
 {
-    char_u	buffer[MAXPATHL + 1];
+    char_u	*buffer;
+    int		retval;
+
+    buffer = alloc(MAXPATHL + 1);
+    if (buffer == NULL)
+	return FALSE;
 
     vim_strncpy(resource->name, (char_u *)name, 63);
     /* Look for named resource file in runtimepath */
     vim_strcat(buffer, (char_u *)name, MAXPATHL);
     vim_strcat(buffer, (char_u *)".ps", MAXPATHL);
     resource->filename[0] = NUL;
-    return (do_in_runtimepath(buffer, FALSE, prt_resource_name,
+    retval = (do_in_runtimepath(buffer, FALSE, prt_resource_name,
 							   resource->filename)
 	    && resource->filename[0] != NUL);
+    vim_free(buffer);
+    return retval;
 }
 
 /* PS CR and LF characters have platform independent values */
     double      right;
     double      top;
     double      bottom;
-    struct prt_ps_resource_S res_prolog;
-    struct prt_ps_resource_S res_encoding;
+    struct prt_ps_resource_S *res_prolog;
+    struct prt_ps_resource_S *res_encoding;
     char	buffer[256];
     char_u      *p_encoding;
     char_u	*p;
 #ifdef FEAT_MBYTE
-    struct prt_ps_resource_S res_cidfont;
-    struct prt_ps_resource_S res_cmap;
+    struct prt_ps_resource_S *res_cidfont;
+    struct prt_ps_resource_S *res_cmap;
 #endif
+    int		retval = FALSE;
+
+    res_prolog = (struct prt_ps_resource_S *)
+				      alloc(sizeof(struct prt_ps_resource_S));
+    res_encoding = (struct prt_ps_resource_S *)
+				      alloc(sizeof(struct prt_ps_resource_S));
+#ifdef FEAT_MBYTE
+    res_cidfont = (struct prt_ps_resource_S *)
+				      alloc(sizeof(struct prt_ps_resource_S));
+    res_cmap = (struct prt_ps_resource_S *)
+				      alloc(sizeof(struct prt_ps_resource_S));
+#endif
+    if (res_prolog == NULL || res_encoding == NULL
+#ifdef FEAT_MBYTE
+	    || res_cidfont == NULL || res_cmap == NULL
+#endif
+       )
+	goto theend;
 
     /*
      * PS DSC Header comments - no PS code!
 #endif
 
     /* Search for external resources VIM supplies */
-    if (!prt_find_resource("prolog", &res_prolog))
+    if (!prt_find_resource("prolog", res_prolog))
     {
 	EMSG(_("E456: Can't find PostScript resource file \"prolog.ps\""));
 	return FALSE;
     }
-    if (!prt_open_resource(&res_prolog))
+    if (!prt_open_resource(res_prolog))
 	return FALSE;
-    if (!prt_check_resource(&res_prolog, PRT_PROLOG_VERSION))
+    if (!prt_check_resource(res_prolog, PRT_PROLOG_VERSION))
 	return FALSE;
 #ifdef FEAT_MBYTE
     if (prt_out_mbyte)
     {
 	/* Look for required version of multi-byte printing procset */
-	if (!prt_find_resource("cidfont", &res_cidfont))
+	if (!prt_find_resource("cidfont", res_cidfont))
 	{
 	    EMSG(_("E456: Can't find PostScript resource file \"cidfont.ps\""));
 	    return FALSE;
 	}
-	if (!prt_open_resource(&res_cidfont))
+	if (!prt_open_resource(res_cidfont))
 	    return FALSE;
-	if (!prt_check_resource(&res_cidfont, PRT_CID_PROLOG_VERSION))
+	if (!prt_check_resource(res_cidfont, PRT_CID_PROLOG_VERSION))
 	    return FALSE;
     }
 #endif
 #endif
 	p_encoding = enc_skip(p_penc);
 	if (*p_encoding == NUL
-		|| !prt_find_resource((char *)p_encoding, &res_encoding))
+		|| !prt_find_resource((char *)p_encoding, res_encoding))
 	{
 	    /* 'printencoding' not set or not supported - find alternate */
 #ifdef FEAT_MBYTE
 	    p_encoding = enc_skip(p_enc);
 	    props = enc_canon_props(p_encoding);
 	    if (!(props & ENC_8BIT)
-		    || !prt_find_resource((char *)p_encoding, &res_encoding))
+		    || !prt_find_resource((char *)p_encoding, res_encoding))
 		/* 8-bit 'encoding' is not supported */
 #endif
 		{
 		/* Use latin1 as default printing encoding */
 		p_encoding = (char_u *)"latin1";
-		if (!prt_find_resource((char *)p_encoding, &res_encoding))
+		if (!prt_find_resource((char *)p_encoding, res_encoding))
 		{
 		    EMSG2(_("E456: Can't find PostScript resource file \"%s.ps\""),
 			    p_encoding);
 		}
 	    }
 	}
-	if (!prt_open_resource(&res_encoding))
+	if (!prt_open_resource(res_encoding))
 	    return FALSE;
 	/* For the moment there are no checks on encoding resource files to
 	 * perform */
 	if (prt_use_courier)
 	{
 	    /* Include ASCII range encoding vector */
-	    if (!prt_find_resource(prt_ascii_encoding, &res_encoding))
+	    if (!prt_find_resource(prt_ascii_encoding, res_encoding))
 	    {
 		EMSG2(_("E456: Can't find PostScript resource file \"%s.ps\""),
 							  prt_ascii_encoding);
 		return FALSE;
 	    }
-	    if (!prt_open_resource(&res_encoding))
+	    if (!prt_open_resource(res_encoding))
 		return FALSE;
 	    /* For the moment there are no checks on encoding resource files to
 	     * perform */
     if (prt_out_mbyte && prt_custom_cmap)
     {
 	/* Find user supplied CMap */
-	if (!prt_find_resource(prt_cmap, &res_cmap))
+	if (!prt_find_resource(prt_cmap, res_cmap))
 	{
 	    EMSG2(_("E456: Can't find PostScript resource file \"%s.ps\""),
 								    prt_cmap);
 	    return FALSE;
 	}
-	if (!prt_open_resource(&res_cmap))
+	if (!prt_open_resource(res_cmap))
 	    return FALSE;
     }
 #endif
 
     /* List resources supplied */
-    STRCPY(buffer, res_prolog.title);
+    STRCPY(buffer, res_prolog->title);
     STRCAT(buffer, " ");
-    STRCAT(buffer, res_prolog.version);
+    STRCAT(buffer, res_prolog->version);
     prt_dsc_resources("DocumentSuppliedResources", "procset", buffer);
 #ifdef FEAT_MBYTE
     if (prt_out_mbyte)
     {
-	STRCPY(buffer, res_cidfont.title);
+	STRCPY(buffer, res_cidfont->title);
 	STRCAT(buffer, " ");
-	STRCAT(buffer, res_cidfont.version);
+	STRCAT(buffer, res_cidfont->version);
 	prt_dsc_resources(NULL, "procset", buffer);
 
 	if (prt_custom_cmap)
 	{
-	    STRCPY(buffer, res_cmap.title);
+	    STRCPY(buffer, res_cmap->title);
 	    STRCAT(buffer, " ");
-	    STRCAT(buffer, res_cmap.version);
+	    STRCAT(buffer, res_cmap->version);
 	    prt_dsc_resources(NULL, "cmap", buffer);
 	}
     }
     if (!prt_out_mbyte || prt_use_courier)
 #endif
     {
-	STRCPY(buffer, res_encoding.title);
+	STRCPY(buffer, res_encoding->title);
 	STRCAT(buffer, " ");
-	STRCAT(buffer, res_encoding.version);
+	STRCAT(buffer, res_encoding->version);
 	prt_dsc_resources(NULL, "encoding", buffer);
     }
     prt_dsc_requirements(prt_duplex, prt_tumble, prt_collate,
     prt_dsc_noarg("BeginProlog");
 
     /* Add required procsets - NOTE: order is important! */
-    if (!prt_add_resource(&res_prolog))
+    if (!prt_add_resource(res_prolog))
 	return FALSE;
 #ifdef FEAT_MBYTE
     if (prt_out_mbyte)
     {
 	/* Add CID font procset, and any user supplied CMap */
-	if (!prt_add_resource(&res_cidfont))
+	if (!prt_add_resource(res_cidfont))
 	    return FALSE;
-	if (prt_custom_cmap && !prt_add_resource(&res_cmap))
+	if (prt_custom_cmap && !prt_add_resource(res_cmap))
 	    return FALSE;
     }
 #endif
 #endif
 	/* There will be only one Roman font encoding to be included in the PS
 	 * file. */
-	if (!prt_add_resource(&res_encoding))
+	if (!prt_add_resource(res_encoding))
 	    return FALSE;
 
     prt_dsc_noarg("EndProlog");
     prt_dsc_noarg("EndSetup");
 
     /* Fail if any problems writing out to the PS file */
-    return !prt_file_error;
+    retval = !prt_file_error;
+
+theend:
+    vim_free(res_prolog);
+    vim_free(res_encoding);
+#ifdef FEAT_MBYTE
+    vim_free(res_cidfont);
+    vim_free(res_cmap);
+#endif
+
+    return retval;
 }
 
     void
     int		i;
     char_u	*inicmd = NULL;
     char_u	*p;
-    char_u	cwd[MAXPATHL];
+    char_u	*cwd;
 
     if (filec > 0 && filev[0][0] == '+')
     {
 	mainerr_arg_missing((char_u *)filev[-1]);
 
     /* Temporarily cd to the current directory to handle relative file names. */
+    cwd = alloc(MAXPATHL);
+    if (cwd == NULL)
+	return NULL;
     if (mch_dirname(cwd, MAXPATHL) != OK)
+    {
+	vim_free(cwd);
 	return NULL;
-    if ((p = vim_strsave_escaped_ext(cwd,
+    }
+    p = vim_strsave_escaped_ext(cwd,
 #ifdef BACKSLASH_IN_FILENAME
 		    "",  /* rem_backslash() will tell what chars to escape */
 #else
 		    PATH_ESC_CHARS,
 #endif
-		    '\\', TRUE)) == NULL)
+		    '\\', TRUE);
+    vim_free(cwd);
+    if (p == NULL)
 	return NULL;
     ga_init2(&ga, 1, 100);
     ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
     char_u	*text;
     linenr_T	lnum;
     int		col;
-    char	buf[MAXPATHL * 2 + 25];
+    char	*buf;
     char_u	*p;
 
     /* Don't do anything when 'ballooneval' is off, messages scrolled the
 	 * length. */
 	if (text != NULL && text[0] != NUL && STRLEN(text) < MAXPATHL)
 	{
-	    p = nb_quote(text);
-	    if (p != NULL)
+	    buf = (char *)alloc(MAXPATHL * 2 + 25);
+	    if (buf != NULL)
 	    {
-		vim_snprintf(buf, sizeof(buf),
-				       "0:balloonText=%d \"%s\"\n", r_cmdno, p);
-		vim_free(p);
+		p = nb_quote(text);
+		if (p != NULL)
+		{
+		    vim_snprintf(buf, MAXPATHL * 2 + 25,
+				     "0:balloonText=%d \"%s\"\n", r_cmdno, p);
+		    vim_free(p);
+		}
+		nbdebug(("EVT: %s", buf));
+		nb_send(buf, "netbeans_beval_cb");
+		vim_free(buf);
 	    }
-	    nbdebug(("EVT: %s", buf));
-	    nb_send(buf, "netbeans_beval_cb");
 	}
 	vim_free(text);
     }
     int		flags = 0;
     colnr_T	col;
     long	tomatch;
-    char_u	dirname_start[MAXPATHL];
-    char_u	dirname_now[MAXPATHL];
+    char_u	*dirname_start = NULL;
+    char_u	*dirname_now = NULL;
     char_u	*target_dir = NULL;
 #ifdef FEAT_AUTOCMD
     char_u	*au_name =  NULL;
 	goto theend;
     }
 
+    dirname_start = alloc(MAXPATHL);
+    dirname_now = alloc(MAXPATHL);
+    if (dirname_start == NULL || dirname_now == NULL)
+	goto theend;
+
     /* Remember the current directory, because a BufRead autocommand that does
      * ":lcd %:p:h" changes the meaning of short path names. */
     mch_dirname(dirname_start, MAXPATHL);
     }
 
 theend:
+    vim_free(dirname_now);
+    vim_free(dirname_start);
     vim_free(target_dir);
     vim_free(regmatch.regprog);
 }
     spellinfo_T	*spin;
     char_u	*wfname;
 {
-    char_u	fname[MAXPATHL];
+    char_u	*fname = NULL;
     int		len;
     slang_T	*slang;
     int		free_slang = FALSE;
      * Write the .sug file.
      * Make the file name by changing ".spl" to ".sug".
      */
+    fname = alloc(MAXPATHL);
+    if (fname == NULL)
+	goto theend;
     vim_strncpy(fname, wfname, MAXPATHL - 1);
     len = (int)STRLEN(fname);
     fname[len - 2] = 'u';
     sug_write(spin, fname);
 
 theend:
+    vim_free(fname);
     if (free_slang)
 	slang_free(slang);
     free_blocks(spin->si_blocks);
     int		overwrite;	    /* overwrite existing output file */
     int		added_word;	    /* invoked through "zg" */
 {
-    char_u	fname[MAXPATHL];
-    char_u	wfname[MAXPATHL];
+    char_u	*fname = NULL;
+    char_u	*wfname;
     char_u	**innames;
     int		incount;
     afffile_T	*(afile[8]);
     innames = &fnames[1];
     incount = fcount - 1;
 
+    wfname = alloc(MAXPATHL);
+    if (wfname == NULL)
+	return;
+
     if (fcount >= 1)
     {
 	len = (int)STRLEN(fnames[0]);
 	     * "path/en.latin1.add.spl". */
 	    innames = &fnames[0];
 	    incount = 1;
-	    vim_snprintf((char *)wfname, sizeof(wfname), "%s.spl", fnames[0]);
+	    vim_snprintf((char *)wfname, MAXPATHL, "%s.spl", fnames[0]);
 	}
 	else if (fcount == 1)
 	{
 	    /* For ":mkspell path/vim" output file is "path/vim.latin1.spl". */
 	    innames = &fnames[0];
 	    incount = 1;
-	    vim_snprintf((char *)wfname, sizeof(wfname), SPL_FNAME_TMPL,
+	    vim_snprintf((char *)wfname, MAXPATHL, SPL_FNAME_TMPL,
 		  fnames[0], spin.si_ascii ? (char_u *)"ascii" : spell_enc());
 	}
 	else if (len > 4 && STRCMP(fnames[0] + len - 4, ".spl") == 0)
 	{
 	    /* Name ends in ".spl", use as the file name. */
-	    vim_strncpy(wfname, fnames[0], sizeof(wfname) - 1);
+	    vim_strncpy(wfname, fnames[0], MAXPATHL - 1);
 	}
 	else
 	    /* Name should be language, make the file name from it. */
-	    vim_snprintf((char *)wfname, sizeof(wfname), SPL_FNAME_TMPL,
+	    vim_snprintf((char *)wfname, MAXPATHL, SPL_FNAME_TMPL,
 		  fnames[0], spin.si_ascii ? (char_u *)"ascii" : spell_enc());
 
 	/* Check for .ascii.spl. */
 	if (!overwrite && mch_stat((char *)wfname, &st) >= 0)
 	{
 	    EMSG(_(e_exists));
-	    return;
+	    goto theend;
 	}
 	if (mch_isdir(wfname))
 	{
 	    EMSG2(_(e_isadir2), wfname);
-	    return;
-	}
+	    goto theend;
+	}
+
+	fname = alloc(MAXPATHL);
+	if (fname == NULL)
+	    goto theend;
 
 	/*
 	 * Init the aff and dic pointers.
 						|| innames[i][len - 3] != '_')
 		{
 		    EMSG2(_("E755: Invalid region in %s"), innames[i]);
-		    return;
+		    goto theend;
 		}
 		spin.si_region_name[i * 2] = TOLOWER_ASC(innames[i][len - 2]);
 		spin.si_region_name[i * 2 + 1] =
 		|| spin.si_prefroot == NULL)
 	{
 	    free_blocks(spin.si_blocks);
-	    return;
+	    goto theend;
 	}
 
 	/* When not producing a .add.spl file clear the character table when
 	    spin.si_conv.vc_type = CONV_NONE;
 	    spin.si_region = 1 << i;
 
-	    vim_snprintf((char *)fname, sizeof(fname), "%s.aff", innames[i]);
+	    vim_snprintf((char *)fname, MAXPATHL, "%s.aff", innames[i]);
 	    if (mch_stat((char *)fname, &st) >= 0)
 	    {
 		/* Read the .aff file.  Will init "spin->si_conv" based on the
 		else
 		{
 		    /* Read the .dic file and store the words in the trees. */
-		    vim_snprintf((char *)fname, sizeof(fname), "%s.dic",
+		    vim_snprintf((char *)fname, MAXPATHL, "%s.dic",
 								  innames[i]);
 		    if (spell_read_dic(&spin, fname, afile[i]) == FAIL)
 			error = TRUE;
 	    spell_make_sugfile(&spin, wfname);
 
     }
+
+theend:
+    vim_free(fname);
+    vim_free(wfname);
 }
 
 /*
     buf_T	*buf = NULL;
     int		new_spf = FALSE;
     char_u	*fname;
-    char_u	fnamebuf[MAXPATHL];
+    char_u	*fnamebuf = NULL;
     char_u	line[MAXWLEN * 2];
     long	fpos, fpos_next = 0;
     int		i;
 	    EMSG2(_(e_notset), "spellfile");
 	    return;
 	}
+	fnamebuf = alloc(MAXPATHL);
+	if (fnamebuf == NULL)
+	    return;
 
 	for (spf = curwin->w_s->b_p_spf, i = 1; *spf != NUL; ++i)
 	{
 	    if (*spf == NUL)
 	    {
 		EMSGN(_("E765: 'spellfile' does not have %ld entries"), idx);
+		vim_free(fnamebuf);
 		return;
 	    }
 	}
 	if (buf != NULL && bufIsChanged(buf))
 	{
 	    EMSG(_(e_bufloaded));
+	    vim_free(fnamebuf);
 	    return;
 	}
 
 
 	redraw_all_later(SOME_VALID);
     }
+    vim_free(fnamebuf);
 }
 
 /*
     static void
 init_spellfile()
 {
-    char_u	buf[MAXPATHL];
+    char_u	*buf;
     int		l;
     char_u	*fname;
     char_u	*rtp;
 
     if (*curwin->w_s->b_p_spl != NUL && curwin->w_s->b_langp.ga_len > 0)
     {
+	buf = alloc(MAXPATHL);
+	if (buf == NULL)
+	    return;
+
 	/* Find the end of the language name.  Exclude the region.  If there
 	 * is a path separator remember the start of the tail. */
 	for (lend = curwin->w_s->b_p_spl; *lend != NUL
 				 "/%.*s", (int)(lend - lstart), lstart);
 		}
 		l = (int)STRLEN(buf);
-		fname = LANGP_ENTRY(curwin->w_s->b_langp, 0)->lp_slang->sl_fname;
+		fname = LANGP_ENTRY(curwin->w_s->b_langp, 0)
+							 ->lp_slang->sl_fname;
 		vim_snprintf((char *)buf + l, MAXPATHL - l, ".%s.add",
 			fname != NULL
 			  && strstr((char *)gettail(fname), ".ascii.") != NULL
 	    }
 	    aspath = FALSE;
 	}
+
+	vim_free(buf);
     }
 }
 
 	    {
 		list_T	*list;
 		char_u	tag_name[128 + 1];
-		char_u	fname[MAXPATHL + 1];
-		char_u	cmd[CMDBUFFSIZE + 1];
+		char_u	*fname;
+		char_u	*cmd;
 
 		/*
 		 * Add the matching tags to the location list for the current
 		 * window.
 		 */
 
+		fname = alloc(MAXPATHL + 1);
+		cmd = alloc(CMDBUFFSIZE + 1);
 		list = list_alloc();
-		if (list == NULL)
+		if (list == NULL || fname == NULL || cmd == NULL)
+		{
+		    vim_free(cmd);
+		    vim_free(fname);
+		    if (list != NULL)
+			list_free(list, TRUE);
 		    goto end_do_tag;
+		}
 
 		for (i = 0; i < num_matches; ++i)
 		{
 		set_errorlist(curwin, list, ' ', IObuff);
 
 		list_free(list, TRUE);
+		vim_free(fname);
+		vim_free(cmd);
 
 		cur_match = 0;		/* Jump to the first tag */
 	    }
     char_u  *start;		/* start of the value */
     char_u  *end;		/* after the value; can be NULL */
 {
-    char_u	buf[MAXPATHL];
+    char_u	*buf;
     int		len = 0;
+    int		retval;
 
     /* check that the field name doesn't exist yet */
     if (dict_find(dict, (char_u *)field_name, -1) != NULL)
 	}
 	return FAIL;
     }
+    buf = alloc(MAXPATHL);
+    if (buf == NULL)
+	return FAIL;
     if (start != NULL)
     {
 	if (end == NULL)
 		--end;
 	}
 	len = (int)(end - start);
-	if (len > (int)sizeof(buf) - 1)
-	    len = sizeof(buf) - 1;
+	if (len > MAXPATHL - 1)
+	    len = MAXPATHL - 1;
 	vim_strncpy(buf, start, len);
     }
     buf[len] = NUL;
-    return dict_add_nr_str(dict, field_name, 0L, buf);
+    retval = dict_add_nr_str(dict, field_name, 0L, buf);
+    vim_free(buf);
+    return retval;
 }
 
 /*
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    161,
+/**/
     160,
 /**/
     159,
 
 #define IOSIZE	   (1024+1)	/* file i/o and sprintf buffer size */
 
+#define DIALOG_MSG_SIZE 1000	/* buffer size for dialog_msg() */
+
 #ifdef FEAT_MBYTE
 # define MSG_BUF_LEN 480	/* length of buffer for small messages */
 # define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
   int octspergrp = -1;	/* number of octets grouped in output */
   int grplen;		/* total chars per octet group */
   long length = -1, n = 0, seekoff = 0;
-  char l[LLEN+1];
+  static char l[LLEN+1];  /* static because it may be too big for stack */
   char *pp;
 
 #ifdef AMIGA
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