[PATCH 2/3] gdb: use std::string for internalvar::name

[Simon Marchi <simon.marchi@efficios.com>]

Change internalvar::name to std::string, automating memory management.

Change-Id: I814d61361663e7becb8f3fb5f58c0180cdc414bc
---
 gdb/value.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/gdb/value.c b/gdb/value.c
index e884913abe5a..68499896af8c 100644
--- a/gdb/value.c
+++ b/gdb/value.c
@@ -1829,7 +1829,7 @@ union internalvar_data
 
 struct internalvar
 {
-  char *name;
+  std::string name;
 
   /* We support various different kinds of content of an internal variable.
      enum internalvar_kind specifies the kind, and union internalvar_data
@@ -1893,7 +1893,7 @@ struct internalvar *
 lookup_only_internalvar (const char *name)
 {
   for (internalvar_up &var : internalvars)
-    if (strcmp (var->name, name) == 0)
+    if (var->name == name)
       return var.get ();
 
   return NULL;
@@ -1910,8 +1910,8 @@ complete_internalvar (completion_tracker &tracker, const char *name)
   len = strlen (name);
 
   for (internalvar_up &var : internalvars)
-    if (strncmp (var->name, name, len) == 0)
-      tracker.add_completion (make_unique_xstrdup (var->name));
+    if (strncmp (var->name.c_str (), name, len) == 0)
+      tracker.add_completion (make_unique_xstrdup (var->name.c_str ()));
 }
 
 /* Create an internal variable with name NAME and with a void value.
@@ -1923,7 +1923,7 @@ create_internalvar (const char *name)
   internalvars.emplace_back (new internalvar);
   internalvar *var = internalvars.back ().get ();
 
-  var->name = xstrdup (name);
+  var->name = name;
   var->kind = INTERNALVAR_VOID;
 
   return var;
@@ -1994,7 +1994,7 @@ value_of_internalvar (struct gdbarch *gdbarch, struct internalvar *var)
 
   /* If there is a trace state variable of the same name, assume that
      is what we really want to see.  */
-  tsv = find_trace_state_variable (var->name);
+  tsv = find_trace_state_variable (var->name.c_str ());
   if (tsv)
     {
       tsv->value_known = target_get_trace_state_variable_value (tsv->number,
@@ -2147,7 +2147,7 @@ set_internalvar (struct internalvar *var, struct value *val)
   union internalvar_data new_data = { 0 };
 
   if (var->kind == INTERNALVAR_FUNCTION && var->u.fn.canonical)
-    error (_("Cannot overwrite convenience function %s"), var->name);
+    error (_("Cannot overwrite convenience function %s"), var->name.c_str ());
 
   /* Prepare new contents.  */
   switch (check_typedef (val->type ())->code ())
@@ -2259,7 +2259,7 @@ clear_internalvar (struct internalvar *var)
 const char *
 internalvar_name (const struct internalvar *var)
 {
-  return var->name;
+  return var->name.c_str ();
 }
 
 static struct internal_function *
@@ -2444,7 +2444,7 @@ show_convenience (const char *ignore, int from_tty)
 	{
 	  varseen = 1;
 	}
-      gdb_printf (("$%s = "), var->name);
+      gdb_printf (("$%s = "), var->name.c_str ());
 
       try
 	{
-- 
2.39.1