ahp/busybox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

introduce and use xdup2(int, int)

Browse source 
stop checking whether setsockopt_reuseaddr(int fd) was successful (it always is)
remove second parameter (sockllen) from xmalloc_sockaddr2xxxxx functions

sockaddr2str                                         142     156     +14
collect_blk                                          467     474      +7
xdup2                                                 28      33      +5
singlemount                                         4456    4454      -2
print_host                                           214     212      -2
nslookup_main                                        139     137      -2
ftpgetput_main                                       414     412      -2
udhcpd_main                                         1258    1255      -3
udhcpc_main                                         2405    2402      -3
traceroute_main                                     4125    4122      -3
nc_main                                             1072    1069      -3
buffer_fill_and_print                                 76      73      -3
xmalloc_sockaddr2hostonly_noport                      18      14      -4
xmalloc_sockaddr2host_noport                          18      14      -4
xmalloc_sockaddr2host                                 15      11      -4
xmalloc_sockaddr2dotted_noport                        18      14      -4
xmalloc_sockaddr2dotted                               18      14      -4
wget_main                                           2618    2614      -4
ping_main                                            393     389      -4
ip_port_str                                          120     115      -5
dhcprelay_main                                      1146    1141      -5
dnsd_main                                           1531    1525      -6
passwd_main                                         1110    1102      -8
udhcp_kernel_packet                                  206     197      -9
udhcp_listen_socket                                  154     144     -10
getty_main                                          2576    2566     -10
setup                                                655     640     -15
xmove_fd                                              51      34     -17
dolisten                                             759     742     -17
tcpudpsvd_main                                      1866    1836     -30
startservice                                         339     299     -40
This commit is contained in:
Denis Vlasenko 2007-08-18 14:16:39 +00:00
parent b98c26ad68
commit a27a11bb2c
23 changed files with 95 additions and 107 deletions
Download patch file Download diff file Expand all files Collapse all files

14
include/libbb.h
View file

@ -241,6 +241,7 @@ extern char *bb_get_last_path_component(char *path);
int ndelay_on(int fd);
int ndelay_off(int fd);
void xdup2(int, int);
void xmove_fd(int, int);
@ -288,8 +289,7 @@ ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to,
* time out. Linux does not allow multiple live binds on same ip:port
* regardless of SO_REUSEADDR (unlike some other flavors of Unix).
* Turn it on before you call bind(). */
//TODO: it seems like in Linux this never fails. Change to void, eliminate error checks
int setsockopt_reuseaddr(int fd);
void setsockopt_reuseaddr(int fd); /* On Linux this never fails. */
int setsockopt_broadcast(int fd);
/* NB: returns port in host byte order */
unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port);
@ -360,14 +360,14 @@ void set_nport(len_and_sockaddr *lsa, unsigned port);
/* Retrieve sin[6]_port or return -1 for non-INET[6] lsa's */
int get_nport(const struct sockaddr *sa);
/* Reverse DNS. Returns NULL on failure. */
char* xmalloc_sockaddr2host(const struct sockaddr *sa, socklen_t salen);
char* xmalloc_sockaddr2host(const struct sockaddr *sa);
/* This one doesn't append :PORTNUM */
char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa, socklen_t salen);
char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa);
/* This one also doesn't fall back to dotted IP (returns NULL) */
char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa, socklen_t salen);
char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa);
/* inet_[ap]ton on steroids */
char* xmalloc_sockaddr2dotted(const struct sockaddr *sa, socklen_t salen);
char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa, socklen_t salen);
char* xmalloc_sockaddr2dotted(const struct sockaddr *sa);
char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa);
// "old" (ipv4 only) API
// users: traceroute.c hostname.c - use _list_ of all IPs
struct hostent *xgethostbyname(const char *name);