From: Denis Vlasenko Date: Wed, 26 Sep 2007 10:46:18 +0000 (-0000) Subject: inetd: move struct fields around -> save .25 k of code X-Git-Tag: 1_8_0~149 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3982407ba4bb39f09a0eb5873003130245ad5512;p=oweals%2Fbusybox.git inetd: move struct fields around -> save .25 k of code function old new delta freeconfig 75 76 +1 register_rpc 200 196 -4 dupconfig 165 159 -6 reapchild 173 166 -7 retry 93 82 -11 goaway 112 101 -11 getconfigent 1241 1222 -19 setup 645 592 -53 inetd_main 2160 2107 -53 config 1602 1518 -84 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/9 up/down: 1/-248) Total: -247 bytes text data bss dec hex filename 773951 1038 10332 785321 bfba9 busybox_old 773703 1038 10332 785073 bfab1 busybox_unstripped --- diff --git a/networking/inetd.c b/networking/inetd.c index b3a00cfa5..b16427882 100644 --- a/networking/inetd.c +++ b/networking/inetd.c @@ -222,6 +222,9 @@ struct BUG_too_small { }; typedef struct servtab_t { + /* The most frequently referenced one: */ + int se_fd; /* open descriptor */ + /* NB: 'biggest fields last' saves on code size (~250 bytes) */ char *se_hostaddr; /* host address to listen on */ char *se_service; /* name of service */ char *se_proto; /* protocol used */ @@ -242,10 +245,14 @@ typedef struct servtab_t { #ifdef INETD_FEATURE_ENABLED const struct builtin *se_bi; /* if built-in, description */ #endif + int se_ctrladdr_size; + int se_max; /* max # of instances of this service */ + int se_count; /* number started since se_time */ + struct servtab_t *se_next; + struct timeval se_time; /* start of se_count */ char *se_server; /* server program */ #define MAXARGV 20 char *se_argv[MAXARGV + 1]; /* program arguments */ - int se_fd; /* open descriptor */ union { struct sockaddr se_un_ctrladdr; struct sockaddr_in se_un_ctrladdr_in; @@ -258,11 +265,6 @@ typedef struct servtab_t { #define se_ctrladdr_in se_un.se_un_ctrladdr_in #define se_ctrladdr_in6 se_un.se_un_ctrladdr_in6 #define se_ctrladdr_un se_un.se_un_ctrladdr_un - int se_ctrladdr_size; - int se_max; /* max # of instances of this service */ - int se_count; /* number started since se_time */ - struct timeval se_time; /* start of se_count */ - struct servtab_t *se_next; } servtab_t; #ifdef INETD_FEATURE_ENABLED