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From: Pedro Alves <palves@redhat.com>
To: gdb-patches@sourceware.org
Subject: [PATCH v2 02/31] cli/cli-script.c: Remove some dead NULL checks
Date: Wed, 19 Oct 2016 01:13:00 -0000	[thread overview]
Message-ID: <1476839539-8374-3-git-send-email-palves@redhat.com> (raw)
In-Reply-To: <1476839539-8374-1-git-send-email-palves@redhat.com>

gdb/ChangeLog:
yyyy-mm-dd  Pedro Alves  <palves@redhat.com>

	* cli/cli-script.c (execute_control_command): Assume insert_args
	never returns NULL.
	(insert_args): Assume xmalloc never returns NULL.
---
 gdb/cli/cli-script.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/gdb/cli/cli-script.c b/gdb/cli/cli-script.c
index 579d0a4..c36cce6 100644
--- a/gdb/cli/cli-script.c
+++ b/gdb/cli/cli-script.c
@@ -459,8 +459,6 @@ execute_control_command (struct command_line *cmd)
     case simple_control:
       /* A simple command, execute it and return.  */
       new_line = insert_args (cmd->line);
-      if (!new_line)
-	break;
       make_cleanup (free_current_contents, &new_line);
       execute_command (new_line, 0);
       ret = cmd->control_type;
@@ -492,8 +490,6 @@ execute_control_command (struct command_line *cmd)
 
 	/* Parse the loop control expression for the while statement.  */
 	new_line = insert_args (cmd->line);
-	if (!new_line)
-	  break;
 	make_cleanup (free_current_contents, &new_line);
 	expr = parse_expression (new_line);
 	make_cleanup (free_current_contents, &expr);
@@ -560,8 +556,6 @@ execute_control_command (struct command_line *cmd)
 	print_command_trace (buffer);
 
 	new_line = insert_args (cmd->line);
-	if (!new_line)
-	  break;
 	make_cleanup (free_current_contents, &new_line);
 	/* Parse the conditional for the if statement.  */
 	expr = parse_expression (new_line);
@@ -605,8 +599,6 @@ execute_control_command (struct command_line *cmd)
 	/* Breakpoint commands list, record the commands in the
 	   breakpoint's command list and return.  */
 	new_line = insert_args (cmd->line);
-	if (!new_line)
-	  break;
 	make_cleanup (free_current_contents, &new_line);
 	ret = commands_from_control_command (new_line, cmd);
 	break;
@@ -853,8 +845,6 @@ insert_args (char *line)
 
   /* Allocate space for the new line and fill it in.  */
   new_line = (char *) xmalloc (len + 1);
-  if (new_line == NULL)
-    return NULL;
 
   /* Restore pointer to beginning of old line.  */
   line = save_line;
-- 
2.5.5


  parent reply	other threads:[~2016-10-19  1:12 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-19  1:13 [PATCH v2 00/31] More cleanup elimination & unlimited args to user-defined funcs Pedro Alves
2016-10-19  1:12 ` [PATCH v2 22/31] Use ui_file_as_string in gdb/c-exp.y Pedro Alves
2016-10-19  1:12 ` [PATCH v2 07/31] Clean up tracepoint.h/c:collection_list Pedro Alves
2016-10-19  1:12 ` [PATCH v2 24/31] Use ui_file_as_string in gdb/ada-lang.c Pedro Alves
2016-10-19  1:12 ` [PATCH v2 19/31] Use ui_file_as_string in gdb/remote.c Pedro Alves
2016-10-19  1:12 ` [PATCH v2 01/31] Introduce string_printf Pedro Alves
2016-10-19 13:43   ` Trevor Saunders
2016-10-19 14:41     ` Pedro Alves
2016-10-19 17:18   ` Simon Marchi
2016-10-19 21:02     ` Pedro Alves
2016-11-08 15:35       ` Pedro Alves
2016-10-19  1:12 ` [PATCH v2 21/31] Use ui_file_as_string in gdb/compile/ Pedro Alves
2016-10-19 23:08   ` Simon Marchi
2016-10-19 23:48     ` Pedro Alves
2016-10-20  3:17       ` Simon Marchi
2016-10-19  1:12 ` [PATCH v2 20/31] Use ui_file_as_string in gdb/cli/cli-setshow.c Pedro Alves
2016-10-19  1:12 ` [PATCH v2 12/31] Use ui_file_as_string in gdb/utils.c Pedro Alves
2016-10-19  1:12 ` [PATCH v2 06/31] Introduce ui_file_as_string Pedro Alves
2016-10-19  1:13 ` [PATCH v2 26/31] Use ui_file_as_string in gdb/rust-lang.c Pedro Alves
2016-10-19  1:13 ` [PATCH v2 08/31] Use ui_file_as_string in dwarf2_compute_name Pedro Alves
2016-10-19  1:13 ` [PATCH v2 29/31] 'struct agent_expr *' -> unique_ptr<agent_expr> Pedro Alves
2016-10-19 23:19   ` Simon Marchi
2016-10-19 23:58     ` Pedro Alves
2016-10-19  1:13 ` [PATCH v2 27/31] Use ui_file_as_string in gdb/language.c Pedro Alves
2016-10-19  1:13 ` [PATCH v2 03/31] breakpoint.c:commands_command_1 constification and cleanup Pedro Alves
2016-10-19  1:13 ` Pedro Alves [this message]
2016-10-19 17:24   ` [PATCH v2 02/31] cli/cli-script.c: Remove some dead NULL checks Simon Marchi
2016-10-19 21:18     ` Pedro Alves
2016-10-19  1:13 ` [PATCH v2 31/31] Support an "unlimited" number of user-defined arguments Pedro Alves
2016-10-19  6:29   ` Eli Zaretskii
2016-10-19 11:33   ` Philipp Rudo
2016-10-19 12:47     ` Pedro Alves
2016-10-19 17:40       ` Philipp Rudo
2016-10-19 17:45         ` Pedro Alves
2016-11-08 15:41   ` Pedro Alves
2016-10-19  1:13 ` [PATCH v2 23/31] Use ui_file_as_string in gdbarch.sh/gdbarch.c Pedro Alves
2016-10-19  1:13 ` [PATCH v2 14/31] Use ui_file_as_string in gdb/guile/ Pedro Alves
2016-10-19  1:13 ` [PATCH v2 15/31] Use ui_file_as_string in execute_command_to_string Pedro Alves
2016-10-19  1:17 ` [PATCH v2 09/31] Use ui_file_as_string in gdb/xtensa-tdep.c Pedro Alves
2016-10-19  1:17 ` [PATCH v2 25/31] Use ui_file_as_string in gdb/infrun.c Pedro Alves
2016-10-19  1:17 ` [PATCH v2 11/31] Use ui_file_as_string in gdb/ui-out.c Pedro Alves
2016-10-19  1:17 ` [PATCH v2 10/31] Use ui_file_as_string in gdb/ada-valprint.c Pedro Alves
2016-10-19  1:18 ` [PATCH v2 30/31] Eliminate agent_expr_p; VEC -> std::vector in struct bp_target_info Pedro Alves
2016-10-19  1:18 ` [PATCH v2 05/31] 'struct expression *' -> gdb::unique_xmalloc_ptr<expression> Pedro Alves
2016-10-19 18:45   ` Simon Marchi
2016-10-19 21:50     ` Pedro Alves
2016-10-19 22:25       ` Simon Marchi
2016-10-19 22:36         ` Pedro Alves
2016-10-19  1:19 ` [PATCH v2 04/31] cli-script.c: Simplify using std::string, eliminate cleanups Pedro Alves
2016-10-19 18:25   ` Simon Marchi
2016-10-19 21:45     ` Pedro Alves
2016-10-19  1:21 ` [PATCH v2 17/31] Use ui_file_as_string in gdb/printcmd.c Pedro Alves
2016-10-19  1:21 ` [PATCH v2 13/31] Use ui_file_as_string in gdb/arm-tdep.c Pedro Alves
2016-10-19 22:54   ` Simon Marchi
2016-10-19  1:21 ` [PATCH v2 16/31] Use ui_file_as_string in gdb/top.c Pedro Alves
2016-10-19  1:21 ` [PATCH v2 18/31] Use ui_file_as_string in gdb/python/ Pedro Alves
2016-10-20 13:08 ` [PATCH v2 28/31] Use ui_file_as_string throughout more Pedro Alves
2017-02-23 10:23   ` Yao Qi
2017-02-23 10:53     ` Pedro Alves
2017-02-23 10:35   ` Yao Qi

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