[AArch64] Use debug_printf instead of fprintf_unfiltered

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

diff --git a/gdb/utils.c b/gdb/utils.c
index a2c2710dba469d74a070fa3a4d0d69c205c75416..3ce88b957ba4fe4cb0b7e16092a4aa4e98fcf765 100644 (file)
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -62,11 +62,12 @@
 
 #include "readline/readline.h"
 
-#include <sys/time.h>
+#include "gdb_sys_time.h"
 #include <time.h>
 
 #include "gdb_usleep.h"
 #include "interps.h"
+#include "gdb_regex.h"
 
 #if !HAVE_DECL_MALLOC
 extern PTR malloc ();          /* ARI: PTR */
@@ -290,8 +291,7 @@ restore_integer (void *p)
 struct cleanup *
 make_cleanup_restore_integer (int *variable)
 {
-  struct restore_integer_closure *c =
-    xmalloc (sizeof (struct restore_integer_closure));
+  struct restore_integer_closure *c = XNEW (struct restore_integer_closure);
 
   c->variable = variable;
   c->value = *variable;
@@ -428,7 +428,7 @@ make_cleanup_free_so (struct so_list *so)
 static void
 do_restore_current_language (void *p)
 {
-  enum language saved_lang = (uintptr_t) p;
+  enum language saved_lang = (enum language) (uintptr_t) p;
 
   set_language (saved_lang);
 }
@@ -859,8 +859,8 @@ add_internal_problem_command (struct internal_problem *problem)
   char *set_doc;
   char *show_doc;
 
-  set_cmd_list = xmalloc (sizeof (*set_cmd_list));
-  show_cmd_list = xmalloc (sizeof (*set_cmd_list));
+  set_cmd_list = XNEW (struct cmd_list_element *);
+  show_cmd_list = XNEW (struct cmd_list_element *);
   *set_cmd_list = NULL;
   *show_cmd_list = NULL;
 
@@ -1040,6 +1040,18 @@ quit (void)
 #endif
 }
 
+/* See defs.h.  */
+
+void
+maybe_quit (void)
+{
+  if (check_quit_flag () || sync_quit_force_run)
+    quit ();
+  if (deprecated_interactive_hook)
+    deprecated_interactive_hook ();
+  target_check_pending_interrupt ();
+}
+
 \f
 /* Called when a memory allocation fails, with the number of bytes of
    memory requested in SIZE.  */
@@ -1113,6 +1125,60 @@ make_hex_string (const gdb_byte *data, size_t length)
 
 \f
 
+/* A cleanup function that calls regfree.  */
+
+static void
+do_regfree_cleanup (void *r)
+{
+  regfree (r);
+}
+
+/* Create a new cleanup that frees the compiled regular expression R.  */
+
+struct cleanup *
+make_regfree_cleanup (regex_t *r)
+{
+  return make_cleanup (do_regfree_cleanup, r);
+}
+
+/* Return an xmalloc'd error message resulting from a regular
+   expression compilation failure.  */
+
+char *
+get_regcomp_error (int code, regex_t *rx)
+{
+  size_t length = regerror (code, rx, NULL, 0);
+  char *result = xmalloc (length);
+
+  regerror (code, rx, result, length);
+  return result;
+}
+
+/* Compile a regexp and throw an exception on error.  This returns a
+   cleanup to free the resulting pattern on success.  RX must not be
+   NULL.  */
+
+struct cleanup *
+compile_rx_or_error (regex_t *pattern, const char *rx, const char *message)
+{
+  int code;
+
+  gdb_assert (rx != NULL);
+
+  code = regcomp (pattern, rx, REG_NOSUB);
+  if (code != 0)
+    {
+      char *err = get_regcomp_error (code, pattern);
+
+      make_cleanup (xfree, err);
+      error (("%s: %s"), message, err);
+    }
+
+  return make_regfree_cleanup (pattern);
+}
+
+\f
+
 /* This function supports the query, nquery, and yquery functions.
    Ask user a y-or-n question and return 0 if answer is no, 1 if
    answer is yes, or default the answer to the specified default
@@ -3236,9 +3302,9 @@ wait_to_die_with_timeout (pid_t pid, int *status, int timeout)
       sa.sa_flags = 0;
       sigaction (SIGALRM, &sa, &old_sa);
 #else
-      void (*ofunc) ();
+      sighandler_t ofunc;
 
-      ofunc = (void (*)()) signal (SIGALRM, sigalrm_handler);
+      ofunc = signal (SIGALRM, sigalrm_handler);
 #endif
 
       alarm (timeout);