use QSORT

Apply the semantic patch contrib/coccinelle/qsort.cocci to the code
base, replacing calls of qsort(3) with QSORT.  The resulting code is
shorter and supports empty arrays with NULL pointers.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 5 insertions, 10 deletions

diff --git a/help.c b/help.c
index 2ff3b5a..53e2a67 100644
--- a/help.c
+++ b/help.c
@@ -170,8 +170,7 @@ void load_command_list(const char *prefix,
 
 	if (exec_path) {
 		list_commands_in_dir(main_cmds, exec_path, prefix);
-		qsort(main_cmds->names, main_cmds->cnt,
-		      sizeof(*main_cmds->names), cmdname_compare);
+		QSORT(main_cmds->names, main_cmds->cnt, cmdname_compare);
 		uniq(main_cmds);
 	}
 
@@ -190,8 +189,7 @@ void load_command_list(const char *prefix,
 		}
 		free(paths);
 
-		qsort(other_cmds->names, other_cmds->cnt,
-		      sizeof(*other_cmds->names), cmdname_compare);
+		QSORT(other_cmds->names, other_cmds->cnt, cmdname_compare);
 		uniq(other_cmds);
 	}
 	exclude_cmds(other_cmds, main_cmds);
@@ -238,8 +236,7 @@ void list_common_cmds_help(void)
 			longest = strlen(common_cmds[i].name);
 	}
 
-	qsort(common_cmds, ARRAY_SIZE(common_cmds),
-		sizeof(common_cmds[0]), cmd_group_cmp);
+	QSORT(common_cmds, ARRAY_SIZE(common_cmds), cmd_group_cmp);
 
 	puts(_("These are common Git commands used in various situations:"));
 
@@ -324,8 +321,7 @@ const char *help_unknown_cmd(const char *cmd)
 
 	add_cmd_list(&main_cmds, &aliases);
 	add_cmd_list(&main_cmds, &other_cmds);
-	qsort(main_cmds.names, main_cmds.cnt,
-	      sizeof(*main_cmds.names), cmdname_compare);
+	QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare);
 	uniq(&main_cmds);
 
 	/* This abuses cmdname->len for levenshtein distance */
@@ -359,8 +355,7 @@ const char *help_unknown_cmd(const char *cmd)
 			levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
 	}
 
-	qsort(main_cmds.names, main_cmds.cnt,
-	      sizeof(*main_cmds.names), levenshtein_compare);
+	QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare);
 
 	if (!main_cmds.cnt)
 		die(_("Uh oh. Your system reports no Git commands at all."));