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inetd: move struct fields around -> save .25 k of code

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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
This commit is contained in:
Denis Vlasenko 2007-09-26 10:46:18 +00:00
parent 4dd4e6d6b9
commit 3982407ba4
1 changed files with 8 additions and 6 deletions
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14
networking/inetd.c
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@ -222,6 +222,9 @@ struct BUG_too_small {
}; };
typedef struct servtab_t { 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_hostaddr; /* host address to listen on */
char *se_service; /* name of service */ char *se_service; /* name of service */
char *se_proto; /* protocol used */ char *se_proto; /* protocol used */
@ -242,10 +245,14 @@ typedef struct servtab_t {
#ifdef INETD_FEATURE_ENABLED #ifdef INETD_FEATURE_ENABLED
const struct builtin *se_bi; /* if built-in, description */ const struct builtin *se_bi; /* if built-in, description */
#endif #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 */ char *se_server; /* server program */
#define MAXARGV 20 #define MAXARGV 20
char *se_argv[MAXARGV + 1]; /* program arguments */ char *se_argv[MAXARGV + 1]; /* program arguments */
int se_fd; /* open descriptor */
union { union {
struct sockaddr se_un_ctrladdr; struct sockaddr se_un_ctrladdr;
struct sockaddr_in se_un_ctrladdr_in; 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_in se_un.se_un_ctrladdr_in
#define se_ctrladdr_in6 se_un.se_un_ctrladdr_in6 #define se_ctrladdr_in6 se_un.se_un_ctrladdr_in6
#define se_ctrladdr_un se_un.se_un_ctrladdr_un #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; } servtab_t;
#ifdef INETD_FEATURE_ENABLED #ifdef INETD_FEATURE_ENABLED