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[Emacs-diffs] Changes to emacs/src/callint.c,v


From: Chong Yidong
Subject: [Emacs-diffs] Changes to emacs/src/callint.c,v
Date: Thu, 19 Oct 2006 14:13:52 +0000

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Chong Yidong <cyd>      06/10/19 14:13:52

Index: callint.c
===================================================================
RCS file: /sources/emacs/emacs/src/callint.c,v
retrieving revision 1.147
retrieving revision 1.148
diff -u -b -r1.147 -r1.148
--- callint.c   25 Sep 2006 15:28:58 -0000      1.147
+++ callint.c   19 Oct 2006 14:13:52 -0000      1.148
@@ -58,11 +58,8 @@
 /* Marker used within call-interactively to refer to point.  */
 static Lisp_Object point_marker;
 
-/* Buffer for the prompt text used in Fcall_interactively.  */
-static char *callint_message;
-
-/* Allocated length of that buffer.  */
-static int callint_message_size;
+/* String for the prompt text used in Fcall_interactively.  */
+static Lisp_Object callint_message;
 
 /* ARGSUSED */
 DEFUN ("interactive", Finteractive, Sinteractive, 0, UNEVALLED, 0,
@@ -266,7 +263,6 @@
      Lisp_Object function, record_flag, keys;
 {
   Lisp_Object *args, *visargs;
-  unsigned char **argstrings;
   Lisp_Object fun;
   Lisp_Object specs;
   Lisp_Object filter_specs;
@@ -492,7 +488,6 @@
 
   args = (Lisp_Object *) alloca ((count + 1) * sizeof (Lisp_Object));
   visargs = (Lisp_Object *) alloca ((count + 1) * sizeof (Lisp_Object));
-  argstrings = (unsigned char **) alloca ((count + 1) * sizeof (char *));
   varies = (int *) alloca ((count + 1) * sizeof (int));
 
   for (i = 0; i < (count + 1); i++)
@@ -516,34 +511,17 @@
       prompt1[sizeof prompt1 - 1] = 0;
       tem1 = (char *) index (prompt1, '\n');
       if (tem1) *tem1 = 0;
-      /* Fill argstrings with a vector of C strings
-        corresponding to the Lisp strings in visargs.  */
-      for (j = 1; j < i; j++)
-       argstrings[j]
-         = (EQ (visargs[j], Qnil)
-            ? (unsigned char *) ""
-            : SDATA (visargs[j]));
-
-      /* Process the format-string in prompt1, putting the output
-        into callint_message.  Make callint_message bigger if necessary.
-        We don't use a buffer on the stack, because the contents
-        need to stay stable for a while.  */
-      while (1)
-       {
-         int nchars = doprnt (callint_message, callint_message_size,
-                              prompt1, (char *)0,
-                              j - 1, (char **) argstrings + 1);
-         if (nchars < callint_message_size - 1)
-           break;
-         callint_message_size *= 2;
-         callint_message
-           = (char *) xrealloc (callint_message, callint_message_size);
-       }
+
+      visargs[0] = build_string (prompt1);
+      if (index (prompt1, '%'))
+       callint_message = Fformat (i, visargs);
+      else
+       callint_message = visargs[0];
 
       switch (*tem)
        {
        case 'a':               /* Symbol defined as a function */
-         visargs[i] = Fcompleting_read (build_string (callint_message),
+         visargs[i] = Fcompleting_read (callint_message,
                                         Vobarray, Qfboundp, Qt,
                                         Qnil, Qnil, Qnil, Qnil);
          /* Passing args[i] directly stimulates compiler bug */
@@ -555,17 +533,17 @@
          args[i] = Fcurrent_buffer ();
          if (EQ (selected_window, minibuf_window))
            args[i] = Fother_buffer (args[i], Qnil, Qnil);
-         args[i] = Fread_buffer (build_string (callint_message), args[i], Qt);
+         args[i] = Fread_buffer (callint_message, args[i], Qt);
          break;
 
        case 'B':               /* Name of buffer, possibly nonexistent */
-         args[i] = Fread_buffer (build_string (callint_message),
+         args[i] = Fread_buffer (callint_message,
                                  Fother_buffer (Fcurrent_buffer (), Qnil, 
Qnil),
                                  Qnil);
          break;
 
         case 'c':              /* Character */
-         args[i] = Fread_char (build_string (callint_message), Qnil, Qnil);
+         args[i] = Fread_char (callint_message, Qnil, Qnil);
          message1_nolog ((char *) 0);
          /* Passing args[i] directly stimulates compiler bug */
          teml = args[i];
@@ -573,7 +551,7 @@
          break;
 
        case 'C':               /* Command: symbol with interactive function */
-         visargs[i] = Fcompleting_read (build_string (callint_message),
+         visargs[i] = Fcompleting_read (callint_message,
                                         Vobarray, Qcommandp,
                                         Qt, Qnil, Qnil, Qnil, Qnil);
          /* Passing args[i] directly stimulates compiler bug */
@@ -589,24 +567,24 @@
          break;
 
        case 'D':               /* Directory name. */
-         args[i] = Fread_file_name (build_string (callint_message), Qnil,
+         args[i] = Fread_file_name (callint_message, Qnil,
                                     current_buffer->directory, Qlambda, Qnil,
                                     Qfile_directory_p);
          break;
 
        case 'f':               /* Existing file name. */
-         args[i] = Fread_file_name (build_string (callint_message),
+         args[i] = Fread_file_name (callint_message,
                                     Qnil, Qnil, Qlambda, Qnil, Qnil);
          break;
 
        case 'F':               /* Possibly nonexistent file name. */
-         args[i] = Fread_file_name (build_string (callint_message),
+         args[i] = Fread_file_name (callint_message,
                                     Qnil, Qnil, Qnil, Qnil, Qnil);
          break;
 
        case 'G':               /* Possibly nonexistent file name,
                                   default to directory alone. */
-         args[i] = Fread_file_name (build_string (callint_message),
+         args[i] = Fread_file_name (callint_message,
                                     Qnil, Qnil, Qnil, build_string (""), Qnil);
          break;
 
@@ -618,7 +596,7 @@
          {
            int speccount1 = SPECPDL_INDEX ();
            specbind (Qcursor_in_echo_area, Qt);
-           args[i] = Fread_key_sequence (build_string (callint_message),
+           args[i] = Fread_key_sequence (callint_message,
                                          Qnil, Qnil, Qnil, Qnil);
            unbind_to (speccount1, Qnil);
            teml = args[i];
@@ -646,7 +624,7 @@
          {
            int speccount1 = SPECPDL_INDEX ();
            specbind (Qcursor_in_echo_area, Qt);
-           args[i] = Fread_key_sequence (build_string (callint_message),
+           args[i] = Fread_key_sequence (callint_message,
                                          Qnil, Qt, Qnil, Qnil);
            teml = args[i];
            visargs[i] = Fkey_description (teml, Qnil);
@@ -706,7 +684,7 @@
 
        case 'M':               /* String read via minibuffer with
                                   inheriting the current input method.  */
-         args[i] = Fread_string (build_string (callint_message),
+         args[i] = Fread_string (callint_message,
                                  Qnil, Qnil, Qnil, Qt);
          break;
 
@@ -726,7 +704,7 @@
                  }
                first = 0;
 
-               tem = Fread_from_minibuffer (build_string (callint_message),
+               tem = Fread_from_minibuffer (callint_message,
                                             Qnil, Qnil, Qnil, Qnil, Qnil,
                                             Qnil);
                if (! STRINGP (tem) || SCHARS (tem) == 0)
@@ -736,7 +714,7 @@
              }
            while (! NUMBERP (args[i]));
          }
-         visargs[i] = last_minibuf_string;
+         visargs[i] = args[i];
          break;
 
        case 'P':               /* Prefix arg in raw form.  Does no I/O.  */
@@ -766,12 +744,12 @@
 
        case 's':               /* String read via minibuffer without
                                   inheriting the current input method.  */
-         args[i] = Fread_string (build_string (callint_message),
+         args[i] = Fread_string (callint_message,
                                  Qnil, Qnil, Qnil, Qnil);
          break;
 
        case 'S':               /* Any symbol.  */
-         visargs[i] = Fread_string (build_string (callint_message),
+         visargs[i] = Fread_string (callint_message,
                                     Qnil, Qnil, Qnil, Qnil);
          /* Passing args[i] directly stimulates compiler bug */
          teml = visargs[i];
@@ -780,17 +758,17 @@
 
        case 'v':               /* Variable name: symbol that is
                                   user-variable-p. */
-         args[i] = Fread_variable (build_string (callint_message), Qnil);
+         args[i] = Fread_variable (callint_message, Qnil);
          visargs[i] = last_minibuf_string;
          break;
 
        case 'x':               /* Lisp expression read but not evaluated */
-         args[i] = Fread_minibuffer (build_string (callint_message), Qnil);
+         args[i] = Fread_minibuffer (callint_message, Qnil);
          visargs[i] = last_minibuf_string;
          break;
 
        case 'X':               /* Lisp expression read and evaluated */
-         args[i] = Feval_minibuffer (build_string (callint_message), Qnil);
+         args[i] = Feval_minibuffer (callint_message, Qnil);
          visargs[i] = last_minibuf_string;
          break;
 
@@ -804,13 +782,13 @@
          else
            {
              args[i]
-               = Fread_non_nil_coding_system (build_string (callint_message));
+               = Fread_non_nil_coding_system (callint_message);
              visargs[i] = last_minibuf_string;
            }
          break;
 
        case 'z':               /* Coding-system symbol or nil */
-         args[i] = Fread_coding_system (build_string (callint_message), Qnil);
+         args[i] = Fread_coding_system (callint_message, Qnil);
          visargs[i] = last_minibuf_string;
          break;
 
@@ -915,6 +893,9 @@
   point_marker = Fmake_marker ();
   staticpro (&point_marker);
 
+  callint_message = Qnil;
+  staticpro (&callint_message);
+
   preserved_fns = Fcons (intern ("region-beginning"),
                         Fcons (intern ("region-end"),
                                Fcons (intern ("point"),
@@ -954,10 +935,6 @@
   Qmouse_leave_buffer_hook = intern ("mouse-leave-buffer-hook");
   staticpro (&Qmouse_leave_buffer_hook);
 
-  callint_message_size = 100;
-  callint_message = (char *) xmalloc (callint_message_size);
-
-
   DEFVAR_KBOARD ("prefix-arg", Vprefix_arg,
                 doc: /* The value of the prefix argument for the next editing 
command.
 It may be a number, or the symbol `-' for just a minus sign as arg,




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