tools: return from main() rather than exit()ing

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/gpiodetect.c b/gpiodetect.c
index 26e7dabbcd7e9b70cca427b60d2ad2ac2a17d6f4..afb5479f973fbf84be6949f8c83fcd0d2d3ae0fa 100644 (file)
--- a/gpiodetect.c
+++ b/gpiodetect.c
@@ -46,7 +46,7 @@ int main(int argc, char **argv)
                switch (optc) {
                case 'h':
                        print_help();
-                       exit(EXIT_SUCCESS);
+                       return EXIT_SUCCESS;
                case '?':
                        die("try %s --help", get_progname());
                default:

diff --git a/gpiofind.c b/gpiofind.c
index 8a276c3d25a4587b9181b33c80d3992df3d29d35..f79e478007cd1ab3d6496ee1d659e5921c3cbdee 100644 (file)
--- a/gpiofind.c
+++ b/gpiofind.c
@@ -46,7 +46,7 @@ int main(int argc, char **argv)
                switch (optc) {
                case 'h':
                        print_help();
-                       exit(EXIT_SUCCESS);
+                       return EXIT_SUCCESS;
                case '?':
                        die("try %s --help", get_progname());
                default:

diff --git a/gpioget.c b/gpioget.c
index f93daf36a9e92899d60462c723e72d068a531fdf..aa210c9c412472cfde7d50d70703de1519e4e478 100644 (file)
--- a/gpioget.c
+++ b/gpioget.c
@@ -50,7 +50,7 @@ int main(int argc, char **argv)
                switch (optc) {
                case 'h':
                        print_help();
-                       exit(EXIT_SUCCESS);
+                       return EXIT_SUCCESS;
                case 'l':
                        active_low = true;
                        break;