[PATCH 2/7] gdb: Use NULL instead of 0 for pointer comparison.

Andrew Burgess
2015-11-25T00:34:45Z

Small code cleanup, use NULL instead of 0 when checking pointers. There
should be no user visible changes after this commit.

gdb/ChangeLog:

* cli/cli-cmds.c (list_command): Use NULL instead of 0 when
checking pointers.
---
gdb/ChangeLog | 5 +++++
gdb/cli/cli-cmds.c | 4 ++--
2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d1e6cbf..9c22a9a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2015-11-24 Andrew Burgess <andrew.burgess@embecosm.com>

+ * cli/cli-cmds.c (list_command): Use NULL instead of 0 when
+ checking pointers.
+
+2015-11-24 Andrew Burgess <andrew.burgess@embecosm.com>
+
* source.c (lines_to_list): Make static.

2015-11-23 Simon Marchi <simon.marchi@ericsson.com>
diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c
index 1886cae..841fc55 100644
--- a/gdb/cli/cli-cmds.c
+++ b/gdb/cli/cli-cmds.c
@@ -907,7 +907,7 @@ list_command (char *arg, int from_tty)
cleanup = make_cleanup (null_cleanup, NULL);

/* Pull in the current default source line if necessary. */
- if (arg == 0 || arg[0] == '+' || arg[0] == '-')
+ if (arg == NULL || arg[0] == '+' || arg[0] == '-')
{
set_default_source_symtab_and_line ();
cursal = get_current_source_symtab_and_line ();
@@ -936,7 +936,7 @@ list_command (char *arg, int from_tty)

/* "l" or "l +" lists next ten lines. */

- if (arg == 0 || strcmp (arg, "+") == 0)
+ if (arg == NULL || strcmp (arg, "+") == 0)
{
print_source_lines (cursal.symtab, cursal.line,
cursal.line + get_lines_to_list (), 0);
--
2.5.1