* Check in Fred Fish's changes in these modules. Fred

[deliverable/binutils-gdb.git] / gdb / command.c

diff --git a/gdb/command.c b/gdb/command.c
index 2851ad9baef0ac45ee3d657a921c32818eac63f3..696547ff73297a326dd508ce64f4d46ef0fac792 100644 (file)
--- a/gdb/command.c
+++ b/gdb/command.c
@@ -23,7 +23,28 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <ctype.h>
 #include <string.h>
 
-extern char *getenv ();
+/* Prototypes for local functions */
+
+static void
+undef_cmd_error PARAMS ((char *, char *));
+
+static void
+show_user PARAMS ((char *, int));
+
+static void
+show_user_1 PARAMS ((struct cmd_list_element *, FILE *));
+
+static void
+make_command PARAMS ((char *, int));
+
+static void
+shell_escape PARAMS ((char *, int));
+
+static int
+parse_binary_operation PARAMS ((char *));
+
+static void
+print_doc_line PARAMS ((FILE *, char *));
 
 /* Add element named NAME to command list *LIST.
    FUN should be the function to execute the command;
@@ -39,7 +60,7 @@ struct cmd_list_element *
 add_cmd (name, class, fun, doc, list)
      char *name;
      enum command_class class;
-     void (*fun) ();
+     void (*fun) PARAMS ((char *, int));
      char *doc;
      struct cmd_list_element **list;
 {
@@ -50,7 +71,7 @@ add_cmd (name, class, fun, doc, list)
   c->next = *list;
   c->name = name;
   c->class = class;
-  c->function = fun;
+  c->function.cfunc = fun;
   c->doc = doc;
   c->prefixlist = 0;
   c->prefixname = (char *)NULL;
@@ -68,11 +89,13 @@ add_cmd (name, class, fun, doc, list)
 
 /* Same as above, except that the abbrev_flag is set. */
 
+#if 0  /* Currently unused */
+
 struct cmd_list_element *
 add_abbrev_cmd (name, class, fun, doc, list)
      char *name;
      enum command_class class;
-     void (*fun) ();
+     void (*fun) PARAMS ((char *, int));
      char *doc;
      struct cmd_list_element **list;
 {
@@ -83,6 +106,8 @@ add_abbrev_cmd (name, class, fun, doc, list)
   return c;
 }
 
+#endif
+
 struct cmd_list_element *
 add_alias_cmd (name, oldname, class, abbrev_flag, list)
      char *name;
@@ -105,7 +130,7 @@ add_alias_cmd (name, oldname, class, abbrev_flag, list)
       return 0;
     }
 
-  c = add_cmd (name, class, old->function, old->doc, list);
+  c = add_cmd (name, class, old->function.cfunc, old->doc, list);
   c->prefixlist = old->prefixlist;
   c->prefixname = old->prefixname;
   c->allow_unknown = old->allow_unknown;
@@ -124,7 +149,7 @@ add_prefix_cmd (name, class, fun, doc, prefixlist, prefixname,
                allow_unknown, list)
      char *name;
      enum command_class class;
-     void (*fun) ();
+     void (*fun) PARAMS ((char *, int));
      char *doc;
      struct cmd_list_element **prefixlist;
      char *prefixname;
@@ -142,10 +167,10 @@ add_prefix_cmd (name, class, fun, doc, prefixlist, prefixname,
    
 struct cmd_list_element *
 add_abbrev_prefix_cmd (name, class, fun, doc, prefixlist, prefixname,
-               allow_unknown, list)
+                      allow_unknown, list)
      char *name;
      enum command_class class;
-     void (*fun) ();
+     void (*fun) PARAMS ((char *, int));
      char *doc;
      struct cmd_list_element **prefixlist;
      char *prefixname;
@@ -175,6 +200,7 @@ not_just_help_class_command (args, from_tty, c)
    VAR_TYPE is the kind of thing we are setting.
    VAR is address of the variable being controlled by this command.
    DOC is the documentation string.  */
+
 struct cmd_list_element *
 add_set_cmd (name, class, var_type, var, doc, list)
      char *name;
@@ -300,7 +326,7 @@ help_cmd (command, stream)
   fputs_filtered (c->doc, stream);
   fputs_filtered ("\n", stream);
 
-  if (c->prefixlist == 0 && c->function != 0)
+  if (c->prefixlist == 0 && c->function.cfunc != NULL)
     return;
   fprintf_filtered (stream, "\n");
 
@@ -309,7 +335,7 @@ help_cmd (command, stream)
     help_list (*c->prefixlist, c->prefixname, all_commands, stream);
 
   /* If this is a class name, print all of the commands in the class */
-  if (c->function == 0)
+  if (c->function.cfunc == NULL)
     help_list (cmdlist, "", c->class, stream);
 }
 
@@ -413,7 +439,7 @@ print_doc_line (stream, str)
  *     ALL_CLASSES  to list all classes in list.
  *
  *   Note that RECURSE will be active on *all* sublists, not just the
- * ones seclected by the criteria above (ie. the selection mechanism
+ * ones selected by the criteria above (ie. the selection mechanism
  * is at the low level, not the high-level).
  */
 void
@@ -430,8 +456,8 @@ help_cmd_list (list, class, prefix, recurse, stream)
     {
       if (c->abbrev_flag == 0 &&
          (class == all_commands
-         || (class == all_classes && c->function == 0)
-         || (class == c->class && c->function != 0)))
+         || (class == all_classes && c->function.cfunc == NULL)
+         || (class == c->class && c->function.cfunc != NULL)))
        {
          fprintf_filtered (stream, "%s%s -- ", prefix, c->name);
          print_doc_line (stream, c->doc);
@@ -519,7 +545,7 @@ lookup_cmd_1 (text, clist, result_list, ignore_help_classes)
   nfound = 0;
   for (c = clist; c; c = c->next)
     if (!strncmp (command, c->name, len)
-       && (!ignore_help_classes || c->function))
+       && (!ignore_help_classes || c->function.cfunc))
       {
        found = c;
        nfound++;
@@ -587,7 +613,7 @@ lookup_cmd_1 (text, clist, result_list, ignore_help_classes)
 
 /* All this hair to move the space to the front of cmdtype */
 
-void
+static void
 undef_cmd_error (cmdtype, q)
      char *cmdtype, *q;
 {
@@ -881,7 +907,7 @@ complete_on_cmdlist (list, text)
   for (ptr = list; ptr; ptr = ptr->next)
     if (!strncmp (ptr->name, text, textlen)
        && !ptr->abbrev_flag
-       && (ptr->function
+       && (ptr->function.cfunc
            || ptr->prefixlist))
       {
        if (matches == sizeof_matchlist)
@@ -967,7 +993,7 @@ do_setshow_command (arg, from_tty, c)
              arg = "";
            new = (char *) xmalloc (strlen (arg) + 2);
            p = arg; q = new;
-           while (ch = *p++)
+           while ((ch = *p++) != '\000')
              {
                if (ch == '\\')
                  {
@@ -1069,7 +1095,7 @@ do_setshow_command (arg, from_tty, c)
     }
   else
     error ("gdb internal error: bad cmd_type in do_setshow_command");
-  (*c->function) (NULL, from_tty, c);
+  (*c->function.sfunc) (NULL, from_tty, c);
 }
 
 /* Show all the settings in a list of show commands.  */
@@ -1103,13 +1129,12 @@ shell_escape (arg, from_tty)
 {
   int rc, status, pid;
   char *p, *user_shell;
-  extern char *rindex ();
 
   if ((user_shell = (char *) getenv ("SHELL")) == NULL)
     user_shell = "/bin/sh";
 
   /* Get the name of the shell for arg0 */
-  if ((p = rindex (user_shell, '/')) == NULL)
+  if ((p = strrchr (user_shell, '/')) == NULL)
     p = user_shell;
   else
     p++;                       /* Get past '/' */