cleanups: unnecessary casts, unified const_1, eliminate cross-.c file
prototypes (heresy!), add spaces in places like "flags&NETSTAT_CONNECTED",
removed unused #defines, #ifdef -> #if, use uint32_t for ipv4 addrs.
diff --git a/networking/netstat.c b/networking/netstat.c
index 3dad57a..16ee52d 100644
--- a/networking/netstat.c
+++ b/networking/netstat.c
@@ -14,81 +14,70 @@
#include "busybox.h"
#include "inet_common.h"
-#ifdef CONFIG_ROUTE
-extern void displayroutes(int noresolve, int netstatfmt);
-#endif
-
-#define NETSTAT_CONNECTED 0x01
-#define NETSTAT_LISTENING 0x02
-#define NETSTAT_NUMERIC 0x04
+#define NETSTAT_CONNECTED 0x01
+#define NETSTAT_LISTENING 0x02
+#define NETSTAT_NUMERIC 0x04
/* Must match getopt32 option string */
-#define NETSTAT_TCP 0x10
-#define NETSTAT_UDP 0x20
-#define NETSTAT_RAW 0x40
-#define NETSTAT_UNIX 0x80
-#define NETSTAT_ALLPROTO (NETSTAT_TCP|NETSTAT_UDP|NETSTAT_RAW|NETSTAT_UNIX)
+#define NETSTAT_TCP 0x10
+#define NETSTAT_UDP 0x20
+#define NETSTAT_RAW 0x40
+#define NETSTAT_UNIX 0x80
+#define NETSTAT_ALLPROTO (NETSTAT_TCP|NETSTAT_UDP|NETSTAT_RAW|NETSTAT_UNIX)
static int flags = NETSTAT_CONNECTED | NETSTAT_ALLPROTO;
-#define PROGNAME_WIDTHs PROGNAME_WIDTH1(PROGNAME_WIDTH)
-#define PROGNAME_WIDTH1(s) PROGNAME_WIDTH2(s)
-#define PROGNAME_WIDTH2(s) #s
-
-#define PRG_HASH_SIZE 211
-
enum {
- TCP_ESTABLISHED = 1,
- TCP_SYN_SENT,
- TCP_SYN_RECV,
- TCP_FIN_WAIT1,
- TCP_FIN_WAIT2,
- TCP_TIME_WAIT,
- TCP_CLOSE,
- TCP_CLOSE_WAIT,
- TCP_LAST_ACK,
- TCP_LISTEN,
- TCP_CLOSING /* now a valid state */
+ TCP_ESTABLISHED = 1,
+ TCP_SYN_SENT,
+ TCP_SYN_RECV,
+ TCP_FIN_WAIT1,
+ TCP_FIN_WAIT2,
+ TCP_TIME_WAIT,
+ TCP_CLOSE,
+ TCP_CLOSE_WAIT,
+ TCP_LAST_ACK,
+ TCP_LISTEN,
+ TCP_CLOSING /* now a valid state */
};
static const char * const tcp_state[] =
{
- "",
- "ESTABLISHED",
- "SYN_SENT",
- "SYN_RECV",
- "FIN_WAIT1",
- "FIN_WAIT2",
- "TIME_WAIT",
- "CLOSE",
- "CLOSE_WAIT",
- "LAST_ACK",
- "LISTEN",
- "CLOSING"
+ "",
+ "ESTABLISHED",
+ "SYN_SENT",
+ "SYN_RECV",
+ "FIN_WAIT1",
+ "FIN_WAIT2",
+ "TIME_WAIT",
+ "CLOSE",
+ "CLOSE_WAIT",
+ "LAST_ACK",
+ "LISTEN",
+ "CLOSING"
};
typedef enum {
- SS_FREE = 0, /* not allocated */
- SS_UNCONNECTED, /* unconnected to any socket */
- SS_CONNECTING, /* in process of connecting */
- SS_CONNECTED, /* connected to socket */
- SS_DISCONNECTING /* in process of disconnecting */
+ SS_FREE = 0, /* not allocated */
+ SS_UNCONNECTED, /* unconnected to any socket */
+ SS_CONNECTING, /* in process of connecting */
+ SS_CONNECTED, /* connected to socket */
+ SS_DISCONNECTING /* in process of disconnecting */
} socket_state;
-#define SO_ACCEPTCON (1<<16) /* performed a listen */
-#define SO_WAITDATA (1<<17) /* wait data to read */
-#define SO_NOSPACE (1<<18) /* no space to write */
+#define SO_ACCEPTCON (1<<16) /* performed a listen */
+#define SO_WAITDATA (1<<17) /* wait data to read */
+#define SO_NOSPACE (1<<18) /* no space to write */
static char *get_sname(int port, const char *proto, int num)
{
- char *str=itoa(ntohs(port));
- if (num) {
- } else {
- struct servent *se=getservbyport(port,proto);
+ char *str = itoa(ntohs(port));
+ if (!num) {
+ struct servent *se = getservbyport(port, proto);
if (se)
- str=se->s_name;
+ str = se->s_name;
}
if (!port) {
- str="*";
+ str = "*";
}
return str;
}
@@ -97,21 +86,21 @@
{
char *port_name;
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
if (addr->sa_family == AF_INET6) {
INET6_rresolve(ip_port, size, (struct sockaddr_in6 *)addr,
- (numeric&NETSTAT_NUMERIC) ? 0x0fff : 0);
+ (numeric & NETSTAT_NUMERIC) ? 0x0fff : 0);
} else
#endif
{
- INET_rresolve(ip_port, size, (struct sockaddr_in *)addr,
- 0x4000 | ((numeric&NETSTAT_NUMERIC) ? 0x0fff : 0),
- 0xffffffff);
+ INET_rresolve(ip_port, size, (struct sockaddr_in *)addr,
+ 0x4000 | ((numeric & NETSTAT_NUMERIC) ? 0x0fff : 0),
+ 0xffffffff);
}
- port_name=get_sname(htons(port), proto, numeric);
+ port_name = get_sname(htons(port), proto, numeric);
if ((strlen(ip_port) + strlen(port_name)) > 22)
ip_port[22 - strlen(port_name)] = '\0';
- ip_port+=strlen(ip_port);
+ ip_port += strlen(ip_port);
strcat(ip_port, ":");
strcat(ip_port, port_name);
}
@@ -122,7 +111,7 @@
const char *state_str;
char more[512];
int num, local_port, rem_port, d, state, timer_run, uid, timeout;
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 localaddr, remaddr;
char addr6[INET6_ADDRSTRLEN];
struct in6_addr in6;
@@ -142,7 +131,7 @@
&txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more);
if (strlen(local_addr) > 8) {
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
sscanf(local_addr, "%08X%08X%08X%08X",
&in6.s6_addr32[0], &in6.s6_addr32[1],
&in6.s6_addr32[2], &in6.s6_addr32[3]);
@@ -170,20 +159,19 @@
return;
}
state_str = tcp_state[state];
- if ((rem_port && (flags&NETSTAT_CONNECTED)) ||
- (!rem_port && (flags&NETSTAT_LISTENING)))
- {
+ if ((rem_port && (flags & NETSTAT_CONNECTED))
+ || (!rem_port && (flags & NETSTAT_LISTENING))
+ ) {
snprint_ip_port(local_addr, sizeof(local_addr),
(struct sockaddr *) &localaddr, local_port,
- "tcp", flags&NETSTAT_NUMERIC);
+ "tcp", flags & NETSTAT_NUMERIC);
snprint_ip_port(rem_addr, sizeof(rem_addr),
(struct sockaddr *) &remaddr, rem_port,
- "tcp", flags&NETSTAT_NUMERIC);
+ "tcp", flags & NETSTAT_NUMERIC);
printf("tcp %6ld %6ld %-23s %-23s %-12s\n",
rxq, txq, local_addr, rem_addr, state_str);
-
}
}
@@ -192,7 +180,7 @@
char local_addr[64], rem_addr[64];
char *state_str, more[512];
int num, local_port, rem_port, d, state, timer_run, uid, timeout;
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 localaddr, remaddr;
char addr6[INET6_ADDRSTRLEN];
struct in6_addr in6;
@@ -212,7 +200,7 @@
&txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more);
if (strlen(local_addr) > 8) {
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
/* Demangle what the kernel gives us */
sscanf(local_addr, "%08X%08X%08X%08X",
&in6.s6_addr32[0], &in6.s6_addr32[1],
@@ -254,7 +242,7 @@
break;
}
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
# define notnull(A) (((A.sin6_family == AF_INET6) && \
((A.sin6_addr.s6_addr32[0]) || \
(A.sin6_addr.s6_addr32[1]) || \
@@ -265,20 +253,19 @@
#else
# define notnull(A) (A.sin_addr.s_addr)
#endif
- if ((notnull(remaddr) && (flags&NETSTAT_CONNECTED)) ||
- (!notnull(remaddr) && (flags&NETSTAT_LISTENING)))
- {
+ if ((notnull(remaddr) && (flags & NETSTAT_CONNECTED))
+ || (!notnull(remaddr) && (flags & NETSTAT_LISTENING))
+ ) {
snprint_ip_port(local_addr, sizeof(local_addr),
(struct sockaddr *) &localaddr, local_port,
- "udp", flags&NETSTAT_NUMERIC);
+ "udp", flags & NETSTAT_NUMERIC);
snprint_ip_port(rem_addr, sizeof(rem_addr),
(struct sockaddr *) &remaddr, rem_port,
- "udp", flags&NETSTAT_NUMERIC);
+ "udp", flags & NETSTAT_NUMERIC);
printf("udp %6ld %6ld %-23s %-23s %-12s\n",
rxq, txq, local_addr, rem_addr, state_str);
-
}
}
@@ -287,7 +274,7 @@
char local_addr[64], rem_addr[64];
char *state_str, more[512];
int num, local_port, rem_port, d, state, timer_run, uid, timeout;
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 localaddr, remaddr;
char addr6[INET6_ADDRSTRLEN];
struct in6_addr in6;
@@ -307,7 +294,7 @@
&txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more);
if (strlen(local_addr) > 8) {
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
sscanf(local_addr, "%08X%08X%08X%08X",
&in6.s6_addr32[0], &in6.s6_addr32[1],
&in6.s6_addr32[2], &in6.s6_addr32[3]);
@@ -334,9 +321,9 @@
bb_error_msg("warning, got bogus raw line");
return;
}
- state_str=itoa(state);
+ state_str = itoa(state);
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
# define notnull(A) (((A.sin6_family == AF_INET6) && \
((A.sin6_addr.s6_addr32[0]) || \
(A.sin6_addr.s6_addr32[1]) || \
@@ -347,20 +334,19 @@
#else
# define notnull(A) (A.sin_addr.s_addr)
#endif
- if ((notnull(remaddr) && (flags&NETSTAT_CONNECTED)) ||
- (!notnull(remaddr) && (flags&NETSTAT_LISTENING)))
- {
+ if ((notnull(remaddr) && (flags & NETSTAT_CONNECTED))
+ || (!notnull(remaddr) && (flags & NETSTAT_LISTENING))
+ ) {
snprint_ip_port(local_addr, sizeof(local_addr),
(struct sockaddr *) &localaddr, local_port,
- "raw", flags&NETSTAT_NUMERIC);
+ "raw", flags & NETSTAT_NUMERIC);
snprint_ip_port(rem_addr, sizeof(rem_addr),
(struct sockaddr *) &remaddr, rem_port,
- "raw", flags&NETSTAT_NUMERIC);
+ "raw", flags & NETSTAT_NUMERIC);
printf("raw %6ld %6ld %-23s %-23s %-12s\n",
rxq, txq, local_addr, rem_addr, state_str);
-
}
}
@@ -390,12 +376,12 @@
if (!(has & HAS_INODE))
snprintf(path,sizeof(path),"%d",inode);
- if ((flags&(NETSTAT_LISTENING|NETSTAT_CONNECTED))!=(NETSTAT_LISTENING|NETSTAT_CONNECTED)) {
+ if ((flags & (NETSTAT_LISTENING|NETSTAT_CONNECTED)) != (NETSTAT_LISTENING|NETSTAT_CONNECTED)) {
if ((state == SS_UNCONNECTED) && (unix_flags & SO_ACCEPTCON)) {
- if (!(flags&NETSTAT_LISTENING))
+ if (!(flags & NETSTAT_LISTENING))
return;
} else {
- if (!(flags&NETSTAT_CONNECTED))
+ if (!(flags & NETSTAT_CONNECTED))
return;
}
}
@@ -502,20 +488,20 @@
procinfo = fopen(file, "r");
if (procinfo == NULL) {
if (errno != ENOENT) {
- perror(file);
+ bb_perror_msg("%s", file);
} else {
bb_error_msg("no support for '%s' on this system", name);
}
- } else {
- do {
- char *buffer = xmalloc_fgets(procinfo);
- if (buffer) {
- (proc)(lnr++, buffer);
- free(buffer);
- }
- } while (!feof(procinfo));
- fclose(procinfo);
+ return;
}
+ do {
+ char *buffer = xmalloc_fgets(procinfo);
+ if (buffer) {
+ (proc)(lnr++, buffer);
+ free(buffer);
+ }
+ } while (!feof(procinfo));
+ fclose(procinfo);
}
/*
@@ -529,12 +515,11 @@
OPT_showroute = 0x100,
};
unsigned opt;
-#ifdef CONFIG_FEATURE_IPV6
+#if ENABLE_FEATURE_IPV6
int inet = 1;
int inet6 = 1;
#else
-# define inet 1
-# define inet6 0
+ enum { inet = 1, inet6 = 0 };
#endif
/* Option string must match NETSTAT_xxx constants */
@@ -551,8 +536,8 @@
//if (opt & 0x40) // -w: NETSTAT_RAW
//if (opt & 0x80) // -x: NETSTAT_UNIX
if (opt & OPT_showroute) { // -r
-#ifdef CONFIG_ROUTE
- displayroutes(flags & NETSTAT_NUMERIC, !(opt & OPT_extended));
+#if ENABLE_ROUTE
+ bb_displayroutes(flags & NETSTAT_NUMERIC, !(opt & OPT_extended));
return 0;
#else
bb_error_msg_and_die("-r (display routing table) is not compiled in");
@@ -567,47 +552,42 @@
if (flags & (NETSTAT_TCP|NETSTAT_UDP|NETSTAT_RAW)) {
printf("Active Internet connections "); /* xxx */
- if ((flags&(NETSTAT_LISTENING|NETSTAT_CONNECTED))==(NETSTAT_LISTENING|NETSTAT_CONNECTED))
+ if ((flags & (NETSTAT_LISTENING|NETSTAT_CONNECTED)) == (NETSTAT_LISTENING|NETSTAT_CONNECTED))
printf("(servers and established)");
- else {
- if (flags & NETSTAT_LISTENING)
- printf("(only servers)");
- else
- printf("(w/o servers)");
- }
+ else if (flags & NETSTAT_LISTENING)
+ printf("(only servers)");
+ else
+ printf("(w/o servers)");
printf("\nProto Recv-Q Send-Q Local Address Foreign Address State\n");
}
- if (inet && flags&NETSTAT_TCP)
- do_info(_PATH_PROCNET_TCP,"AF INET (tcp)",tcp_do_one);
-#ifdef CONFIG_FEATURE_IPV6
- if (inet6 && flags&NETSTAT_TCP)
- do_info(_PATH_PROCNET_TCP6,"AF INET6 (tcp)",tcp_do_one);
+ if (inet && flags & NETSTAT_TCP)
+ do_info(_PATH_PROCNET_TCP, "AF INET (tcp)", tcp_do_one);
+#if ENABLE_FEATURE_IPV6
+ if (inet6 && flags & NETSTAT_TCP)
+ do_info(_PATH_PROCNET_TCP6, "AF INET6 (tcp)", tcp_do_one);
#endif
- if (inet && flags&NETSTAT_UDP)
- do_info(_PATH_PROCNET_UDP,"AF INET (udp)",udp_do_one);
-#ifdef CONFIG_FEATURE_IPV6
- if (inet6 && flags&NETSTAT_UDP)
- do_info(_PATH_PROCNET_UDP6,"AF INET6 (udp)",udp_do_one);
+ if (inet && flags & NETSTAT_UDP)
+ do_info(_PATH_PROCNET_UDP, "AF INET (udp)", udp_do_one);
+#if ENABLE_FEATURE_IPV6
+ if (inet6 && flags & NETSTAT_UDP)
+ do_info(_PATH_PROCNET_UDP6, "AF INET6 (udp)", udp_do_one);
#endif
- if (inet && flags&NETSTAT_RAW)
- do_info(_PATH_PROCNET_RAW,"AF INET (raw)",raw_do_one);
-#ifdef CONFIG_FEATURE_IPV6
- if (inet6 && flags&NETSTAT_RAW)
- do_info(_PATH_PROCNET_RAW6,"AF INET6 (raw)",raw_do_one);
+ if (inet && flags & NETSTAT_RAW)
+ do_info(_PATH_PROCNET_RAW, "AF INET (raw)", raw_do_one);
+#if ENABLE_FEATURE_IPV6
+ if (inet6 && flags & NETSTAT_RAW)
+ do_info(_PATH_PROCNET_RAW6, "AF INET6 (raw)", raw_do_one);
#endif
- if (flags&NETSTAT_UNIX) {
+ if (flags & NETSTAT_UNIX) {
printf("Active UNIX domain sockets ");
- if ((flags&(NETSTAT_LISTENING|NETSTAT_CONNECTED))==(NETSTAT_LISTENING|NETSTAT_CONNECTED))
+ if ((flags & (NETSTAT_LISTENING|NETSTAT_CONNECTED)) == (NETSTAT_LISTENING|NETSTAT_CONNECTED))
printf("(servers and established)");
- else {
- if (flags&NETSTAT_LISTENING)
- printf("(only servers)");
- else
- printf("(w/o servers)");
- }
-
+ else if (flags & NETSTAT_LISTENING)
+ printf("(only servers)");
+ else
+ printf("(w/o servers)");
printf("\nProto RefCnt Flags Type State I-Node Path\n");
- do_info(_PATH_PROCNET_UNIX,"AF UNIX",unix_do_one);
+ do_info(_PATH_PROCNET_UNIX, "AF UNIX", unix_do_one);
}
return 0;
}