patch 8.1.0306: plural messages are not translated properly

Problem:    Plural messages are not translated properly.
Solution:   Add more usage of NGETTEXT(). (Sergey Alyoshin)

src/buffer.c

@@ -1174,26 +1174,14 @@ do_bufdel(
 	else if (deleted >= p_report)
 	{
 	    if (command == DOBUF_UNLOAD)
-	    {
-		if (deleted == 1)
-		    MSG(_("1 buffer unloaded"));
-		else
-		    smsg((char_u *)_("%d buffers unloaded"), deleted);
-	    }
+		smsg((char_u *)NGETTEXT("%d buffer unloaded",
+			    "%d buffers unloaded", deleted), deleted);
 	    else if (command == DOBUF_DEL)
-	    {
-		if (deleted == 1)
-		    MSG(_("1 buffer deleted"));
-		else
-		    smsg((char_u *)_("%d buffers deleted"), deleted);
-	    }
+		smsg((char_u *)NGETTEXT("%d buffer deleted",
+			    "%d buffers deleted", deleted), deleted);
 	    else
-	    {
-		if (deleted == 1)
-		    MSG(_("1 buffer wiped out"));
-		else
-		    smsg((char_u *)_("%d buffers wiped out"), deleted);
-	    }
+		smsg((char_u *)NGETTEXT("%d buffer wiped out",
+			    "%d buffers wiped out", deleted), deleted);
 	}
     }
 
@@ -3485,19 +3473,14 @@ fileinfo(
 	n = (int)(((long)curwin->w_cursor.lnum * 100L) /
 					    (long)curbuf->b_ml.ml_line_count);
     if (curbuf->b_ml.ml_flags & ML_EMPTY)
-    {
 	vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg));
-    }
 #ifdef FEAT_CMDL_INFO
     else if (p_ru)
-    {
 	/* Current line and column are already on the screen -- webb */
-	if (curbuf->b_ml.ml_line_count == 1)
-	    vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n);
-	else
-	    vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"),
-					 (long)curbuf->b_ml.ml_line_count, n);
-    }
+	vim_snprintf_add((char *)buffer, IOSIZE,
+		NGETTEXT("%ld line --%d%%--", "%ld lines --%d%%--",
+						   curbuf->b_ml.ml_line_count),
+		(long)curbuf->b_ml.ml_line_count, n);
 #endif
     else
     {

src/ex_cmds.c

@@ -985,12 +985,8 @@ do_move(linenr_T line1, linenr_T line2, linenr_T dest)
 	ml_delete(line1 + extra, TRUE);
 
     if (!global_busy && num_lines > p_report)
-    {
-	if (num_lines == 1)
-	    MSG(_("1 line moved"));
-	else
-	    smsg((char_u *)_("%ld lines moved"), num_lines);
-    }
+	smsg((char_u *)NGETTEXT("%ld line moved", "%ld lines moved", num_lines),
+			(long)num_lines);
 
     /*
      * Leave the cursor on the last of the moved lines.
@@ -5940,23 +5936,29 @@ do_sub_msg(
 		|| count_only)
 	    && messaging())
     {
+	char	*msg_single;
+	char	*msg_plural;
+
 	if (got_int)
 	    STRCPY(msg_buf, _("(Interrupted) "));
 	else
 	    *msg_buf = NUL;
-	if (sub_nsubs == 1)
-	    vim_snprintf_add((char *)msg_buf, sizeof(msg_buf),
-		    "%s", count_only ? _("1 match") : _("1 substitution"));
-	else
-	    vim_snprintf_add((char *)msg_buf, sizeof(msg_buf),
-		    count_only ? _("%ld matches") : _("%ld substitutions"),
-								   sub_nsubs);
-	if (sub_nlines == 1)
-	    vim_snprintf_add((char *)msg_buf, sizeof(msg_buf),
-		    "%s", _(" on 1 line"));
-	else
-	    vim_snprintf_add((char *)msg_buf, sizeof(msg_buf),
-		    _(" on %ld lines"), (long)sub_nlines);
+
+	msg_single = count_only
+		    ? NGETTEXT("%ld match on %ld line",
+					  "%ld matches on %ld line", sub_nsubs)
+		    : NGETTEXT("%ld substitution on %ld line",
+				   "%ld substitutions on %ld line", sub_nsubs);
+	msg_plural = count_only
+		    ? NGETTEXT("%ld match on %ld lines",
+					 "%ld matches on %ld lines", sub_nsubs)
+		    : NGETTEXT("%ld substitution on %ld lines",
+				  "%ld substitutions on %ld lines", sub_nsubs);
+
+	vim_snprintf_add((char *)msg_buf, sizeof(msg_buf),
+				 NGETTEXT(msg_single, msg_plural, sub_nlines),
+				 sub_nsubs, (long)sub_nlines);
+
 	if (msg(msg_buf))
 	    /* save message to display it after redraw */
 	    set_keep_msg(msg_buf, 0);

src/ex_docmd.c

@@ -5749,22 +5749,16 @@ check_more(
 	    {
 		char_u	buff[DIALOG_MSG_SIZE];
 
-		if (n == 1)
-		    vim_strncpy(buff,
-			    (char_u *)_("1 more file to edit.  Quit anyway?"),
-							 DIALOG_MSG_SIZE - 1);
-		else
-		    vim_snprintf((char *)buff, DIALOG_MSG_SIZE,
-			      _("%d more files to edit.  Quit anyway?"), n);
+		vim_snprintf((char *)buff, DIALOG_MSG_SIZE,
+			NGETTEXT("%d more file to edit.  Quit anyway?",
+			    "%d more files to edit.  Quit anyway?", n), n);
 		if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
 		    return OK;
 		return FAIL;
 	    }
 #endif
-	    if (n == 1)
-		EMSG(_("E173: 1 more file to edit"));
-	    else
-		EMSGN(_("E173: %ld more files to edit"), n);
+	    EMSGN(NGETTEXT("E173: %ld more file to edit",
+			"E173: %ld more files to edit", n), n);
 	    quitmore = 2;	    /* next try to quit is allowed */
 	}
 	return FAIL;

src/fileio.c

@@ -5349,16 +5349,11 @@ msg_add_lines(
 		"%ldL, %lldC", lnum, (long long)nchars);
     else
     {
-	if (lnum == 1)
-	    STRCPY(p, _("1 line, "));
-	else
-	    sprintf((char *)p, _("%ld lines, "), lnum);
+	sprintf((char *)p, NGETTEXT("%ld line, ", "%ld lines, ", lnum), lnum);
 	p += STRLEN(p);
-	if (nchars == 1)
-	    STRCPY(p, _("1 character"));
-	else
-	    vim_snprintf((char *)p, IOSIZE - (p - IObuff),
-		    _("%lld characters"), (long long)nchars);
+	vim_snprintf((char *)p, IOSIZE - (p - IObuff),
+		NGETTEXT("%lld character", "%lld characters", nchars),
+		(long long)nchars);
     }
 }
 

src/misc1.c

@@ -3802,24 +3802,12 @@ msgmore(long n)
 
     if (pn > p_report)
     {
-	if (pn == 1)
-	{
-	    if (n > 0)
-		vim_strncpy(msg_buf, (char_u *)_("1 more line"),
-							     MSG_BUF_LEN - 1);
-	    else
-		vim_strncpy(msg_buf, (char_u *)_("1 line less"),
-							     MSG_BUF_LEN - 1);
-	}
+	if (n > 0)
+	    vim_snprintf((char *)msg_buf, MSG_BUF_LEN,
+		    NGETTEXT("%ld more line", "%ld more lines", pn), pn);
 	else
-	{
-	    if (n > 0)
-		vim_snprintf((char *)msg_buf, MSG_BUF_LEN,
-						     _("%ld more lines"), pn);
-	    else
-		vim_snprintf((char *)msg_buf, MSG_BUF_LEN,
-						    _("%ld fewer lines"), pn);
-	}
+	    vim_snprintf((char *)msg_buf, MSG_BUF_LEN,
+		    NGETTEXT("%ld line less", "%ld fewer lines", pn), pn);
 	if (got_int)
 	    vim_strcat(msg_buf, (char_u *)_(" (Interrupted)"), MSG_BUF_LEN);
 	if (msg(msg_buf))

src/ops.c

@@ -244,7 +244,6 @@ op_shift(oparg_T *oap, int curs_top, int amount)
 {
     long	    i;
     int		    first_char;
-    char_u	    *s;
     int		    block_col = 0;
 
     if (u_save((linenr_T)(oap->start.lnum - 1),
@@ -297,26 +296,21 @@ op_shift(oparg_T *oap, int curs_top, int amount)
 
     if (oap->line_count > p_report)
     {
+	char	    *op;
+	char	    *msg_line_single;
+	char	    *msg_line_plural;
+
 	if (oap->op_type == OP_RSHIFT)
-	    s = (char_u *)">";
+	    op = ">";
 	else
-	    s = (char_u *)"<";
-	if (oap->line_count == 1)
-	{
-	    if (amount == 1)
-		sprintf((char *)IObuff, _("1 line %sed 1 time"), s);
-	    else
-		sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount);
-	}
-	else
-	{
-	    if (amount == 1)
-		sprintf((char *)IObuff, _("%ld lines %sed 1 time"),
-							  oap->line_count, s);
-	    else
-		sprintf((char *)IObuff, _("%ld lines %sed %d times"),
-						  oap->line_count, s, amount);
-	}
+	    op = "<";
+	msg_line_single = NGETTEXT("%ld line %sed %d time",
+					     "%ld line %sed %d times", amount);
+	msg_line_plural = NGETTEXT("%ld lines %sed %d time",
+					    "%ld lines %sed %d times", amount);
+	vim_snprintf((char *)IObuff, IOSIZE,
+		NGETTEXT(msg_line_single, msg_line_plural, oap->line_count),
+		oap->line_count, op, amount);
 	msg(IObuff);
     }
 
@@ -789,10 +783,8 @@ op_reindent(oparg_T *oap, int (*how)(void))
     if (oap->line_count > p_report)
     {
 	i = oap->line_count - (i + 1);
-	if (i == 1)
-	    MSG(_("1 line indented "));
-	else
-	    smsg((char_u *)_("%ld lines indented "), i);
+	smsg((char_u *)NGETTEXT("%ld line indented ",
+						 "%ld lines indented ", i), i);
     }
     /* set '[ and '] marks */
     curbuf->b_op_start = oap->start;
@@ -2529,12 +2521,8 @@ op_tilde(oparg_T *oap)
     curbuf->b_op_end = oap->end;
 
     if (oap->line_count > p_report)
-    {
-	if (oap->line_count == 1)
-	    MSG(_("1 line changed"));
-	else
-	    smsg((char_u *)_("%ld lines changed"), oap->line_count);
-    }
+	smsg((char_u *)NGETTEXT("%ld line changed", "%ld lines changed",
+					    oap->line_count), oap->line_count);
 }
 
 /*
@@ -3348,19 +3336,18 @@ op_yank(oparg_T *oap, int deleting, int mess)
 
 	    /* redisplay now, so message is not deleted */
 	    update_topline_redraw();
-	    if (yanklines == 1)
+	    if (oap->block_mode)
 	    {
-		if (oap->block_mode)
-		    smsg((char_u *)_("block of 1 line yanked%s"), namebuf);
-		else
-		    smsg((char_u *)_("1 line yanked%s"), namebuf);
+		smsg((char_u *)NGETTEXT("block of %ld line yanked%s",
+				     "block of %ld lines yanked%s", yanklines),
+			yanklines, namebuf);
 	    }
-	    else if (oap->block_mode)
-		smsg((char_u *)_("block of %ld lines yanked%s"),
-		     yanklines, namebuf);
 	    else
-		smsg((char_u *)_("%ld lines yanked%s"), yanklines,
-		     namebuf);
+	    {
+		smsg((char_u *)NGETTEXT("%ld line yanked%s",
+					      "%ld lines yanked%s", yanklines),
+			yanklines, namebuf);
+	    }
 	}
     }
 
@@ -5653,12 +5640,8 @@ op_addsub(
 	    curbuf->b_op_start = startpos;
 
 	if (change_cnt > p_report)
-	{
-	    if (change_cnt == 1)
-		MSG(_("1 line changed"));
-	    else
-		smsg((char_u *)_("%ld lines changed"), change_cnt);
-	}
+	    smsg((char_u *)NGETTEXT("%ld line changed", "%ld lines changed",
+						      change_cnt), change_cnt);
     }
 }
 

src/version.c

@@ -794,6 +794,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    306,
 /**/
     305,
 /**/

src/vim.h

@@ -553,6 +553,10 @@ extern int (*dyn_libintl_putenv)(const char *envstring);
 /*
  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
  * found or the +multilang feature is disabled.
+ * Use NGETTEXT(single, multi, number) to get plural behavior:
+ * - single - message for singular form
+ * - multi  - message for plural form
+ * - number - the count
  */
 #ifdef FEAT_GETTEXT
 # ifdef DYNAMIC_GETTEXT