[PATCH 27/41] git.c: use the stdlib EXIT_SUCCESS or EXIT_FAILURE exit status

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The C standard specifies two constants, EXIT_SUCCESS and  EXIT_FAILURE, that may
be  passed  to exit() to indicate successful or unsuccessful termination,
respectively. The value of status in exit(status) may be EXIT_SUCCESS,
EXIT_FAILURE, or any other value, though only the least significant 8 bits (that
is, status & 0377) shall be available to a waiting parent proces. So exit(-1)
return 255.

Use the C standard EXIT_SUCCESS and EXIT_FAILURE to indicate the program exit
status instead of "0" or "1", respectively. In <stdlib.h> EXIT_FAILURE has the
value "1": use EXIT_FAILURE even if the program uses exit(-1), ie 255, for
consistency.

Signed-off-by: Elia Pinto <gitter.spiros@xxxxxxxxx>
---
 git.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/git.c b/git.c
index a25940d72e..7b75e6e720 100644
--- a/git.c
+++ b/git.c
@@ -158,20 +158,20 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 			else {
 				puts(git_exec_path());
 				trace2_cmd_name("_query_");
-				exit(0);
+				exit(EXIT_SUCCESS);
 			}
 		} else if (!strcmp(cmd, "--html-path")) {
 			puts(system_path(GIT_HTML_PATH));
 			trace2_cmd_name("_query_");
-			exit(0);
+			exit(EXIT_SUCCESS);
 		} else if (!strcmp(cmd, "--man-path")) {
 			puts(system_path(GIT_MAN_PATH));
 			trace2_cmd_name("_query_");
-			exit(0);
+			exit(EXIT_SUCCESS);
 		} else if (!strcmp(cmd, "--info-path")) {
 			puts(system_path(GIT_INFO_PATH));
 			trace2_cmd_name("_query_");
-			exit(0);
+			exit(EXIT_SUCCESS);
 		} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
 			use_pager = 1;
 		} else if (!strcmp(cmd, "-P") || !strcmp(cmd, "--no-pager")) {
@@ -318,7 +318,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 				for (i = 0; i < list.nr; i++)
 					printf("%s ", list.items[i].string);
 				string_list_clear(&list, 0);
-				exit(0);
+				exit(EXIT_SUCCESS);
 			} else {
 				exit(list_cmds(cmd));
 			}
@@ -900,7 +900,7 @@ int cmd_main(int argc, const char **argv)
 		printf(_("usage: %s\n\n"), git_usage_string);
 		list_common_cmds_help();
 		printf("\n%s\n", _(git_more_info_string));
-		exit(1);
+		exit(EXIT_FAILURE);
 	}
 	cmd = argv[0];
 
@@ -920,7 +920,7 @@ int cmd_main(int argc, const char **argv)
 			fprintf(stderr, _("expansion of alias '%s' failed; "
 					  "'%s' is not a git command\n"),
 				cmd, argv[0]);
-			exit(1);
+			exit(EXIT_FAILURE);
 		}
 		if (!done_help) {
 			cmd = argv[0] = help_unknown_cmd(cmd);
-- 
2.35.1




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