From c484846c4459affa769b84cbd0b586f2bbaec828 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 17 Jul 2023 17:29:36 +0200 Subject: introduce and use exitcode_t function old new delta strings_main 422 420 -2 setfattr_main 175 173 -2 brctl_main 1548 1546 -2 makedevs_main 979 975 -4 rev_main 337 332 -5 getfattr_main 307 302 -5 cut_main 1201 1196 -5 cksum_main 398 393 -5 umount_main 573 565 -8 ln_main 516 508 -8 expand_main 660 652 -8 df_main 1068 1060 -8 renice_main 346 332 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/13 up/down: 0/-76) Total: -76 bytes Signed-off-by: Denys Vlasenko --- include/libbb.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include') diff --git a/include/libbb.h b/include/libbb.h index 640fa3988..eb97a9880 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1444,6 +1444,13 @@ void bb_verror_msg(const char *s, va_list p, const char *strerr) FAST_FUNC; void bb_die_memory_exhausted(void) NORETURN FAST_FUNC; void bb_logenv_override(void) FAST_FUNC; +/* x86 benefits from narrow exit code variables + * (because it has no widening MOV imm8,word32 insn, has to use MOV imm32,w + * for "exitcode = EXIT_FAILURE" and similar. The downside is that sometimes +* gcc widens the variable to int in various ugly suboptimal ways). + */ +typedef smalluint exitcode_t; + #if ENABLE_FEATURE_SYSLOG_INFO void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC; void bb_simple_info_msg(const char *s) FAST_FUNC; -- cgit v1.2.3-55-g6feb