basic/main-func: unify the two macros

No functional change.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2018-11-20 13:54:12 +01:00
parent fd8bdbc79b
commit ec5e594831

View file

@ -5,23 +5,21 @@
#include "static-destruct.h"
/* Negative return values from impl are mapped to EXIT_FAILURE, and
* everything else means success! */
#define DEFINE_MAIN_FUNCTION(impl) \
#define _DEFINE_MAIN_FUNCTION(impl, ret) \
int main(int argc, char *argv[]) { \
int r; \
r = impl(argc, argv); \
static_destruct(); \
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; \
return ret; \
}
/* Negative return values from impl are mapped to EXIT_FAILURE, and
* everything else means success! */
#define DEFINE_MAIN_FUNCTION(impl) \
_DEFINE_MAIN_FUNCTION(impl, r < 0 ? EXIT_FAILURE : EXIT_SUCCESS)
/* Zero is mapped to EXIT_SUCCESS, and both negative and positive values
* are mapped to EXIT_FAILURE.
* Note: this means "true" maps to EXIT_FAILURE. */
#define DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(impl) \
int main(int argc, char *argv[]) { \
int r; \
r = impl(argc, argv); \
static_destruct(); \
return r != 0 ? EXIT_FAILURE : EXIT_SUCCESS; \
}
_DEFINE_MAIN_FUNCTION(impl, r != 0 ? EXIT_FAILURE : EXIT_SUCCESS)