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authorDenis Vlasenko2008-11-22 18:58:11 +0000
committerDenis Vlasenko2008-11-22 18:58:11 +0000
commit12ff9dc71465cdbb9be7418e293a6d43fdb60cda (patch)
tree36011ed8aa25d01bb81fad686f798ceb20788b21 /networking/interface.c
parentae6e135ae8658660fcf7e35b8126292814f3dc17 (diff)
downloadbusybox-12ff9dc71465cdbb9be7418e293a6d43fdb60cda.zip
busybox-12ff9dc71465cdbb9be7418e293a6d43fdb60cda.tar.gz
networking/interface.c: better readability (by Walter Harms)
mkfs_minix: whitespace fix
Diffstat (limited to 'networking/interface.c')
-rw-r--r--networking/interface.c160
1 files changed, 85 insertions, 75 deletions
diff --git a/networking/interface.c b/networking/interface.c
index 7861b9f..b09148b 100644
--- a/networking/interface.c
+++ b/networking/interface.c
@@ -91,7 +91,7 @@ struct in6_ifreq {
/* Display an Internet socket address. */
static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric)
{
- static char *buff;
+ static char *buff; /* defaults to NULL */
free(buff);
if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
@@ -916,21 +916,91 @@ static void print_bytes_scaled(unsigned long long ull, const char *end)
printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end);
}
-static void ife_print(struct interface *ptr)
-{
- const struct aftype *ap;
- const struct hwtype *hw;
- int hf;
- int can_compress = 0;
#ifdef HAVE_AFINET6
+#define IPV6_ADDR_ANY 0x0000U
+
+#define IPV6_ADDR_UNICAST 0x0001U
+#define IPV6_ADDR_MULTICAST 0x0002U
+#define IPV6_ADDR_ANYCAST 0x0004U
+
+#define IPV6_ADDR_LOOPBACK 0x0010U
+#define IPV6_ADDR_LINKLOCAL 0x0020U
+#define IPV6_ADDR_SITELOCAL 0x0040U
+
+#define IPV6_ADDR_COMPATv4 0x0080U
+
+#define IPV6_ADDR_SCOPE_MASK 0x00f0U
+
+#define IPV6_ADDR_MAPPED 0x1000U
+#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
+
+
+static void ife_print6(struct interface *ptr)
+{
+
FILE *f;
char addr6[40], devname[20];
struct sockaddr_in6 sap;
int plen, scope, dad_status, if_idx;
char addr6p[8][5];
+
+ f = fopen_for_read(_PATH_PROCNET_IFINET6);
+ if (f == NULL)
+ return;
+
+ while (fscanf
+ (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
+ addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
+ addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
+ &dad_status, devname) != EOF
+ ) {
+ if (!strcmp(devname, ptr->name)) {
+ sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
+ addr6p[0], addr6p[1], addr6p[2], addr6p[3],
+ addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
+ inet_pton(AF_INET6, addr6,
+ (struct sockaddr *) &sap.sin6_addr);
+ sap.sin6_family = AF_INET6;
+ printf(" inet6 addr: %s/%d",
+ INET6_sprint((struct sockaddr *) &sap, 1),
+ plen);
+ printf(" Scope:");
+ switch (scope & IPV6_ADDR_SCOPE_MASK) {
+ case 0:
+ puts("Global");
+ break;
+ case IPV6_ADDR_LINKLOCAL:
+ puts("Link");
+ break;
+ case IPV6_ADDR_SITELOCAL:
+ puts("Site");
+ break;
+ case IPV6_ADDR_COMPATv4:
+ puts("Compat");
+ break;
+ case IPV6_ADDR_LOOPBACK:
+ puts("Host");
+ break;
+ default:
+ puts("Unknown");
+ }
+ }
+ }
+ fclose(f);
+}
+#else
+static void ife_print6(struct interface *ptr) {}
#endif
+
+static void ife_print(struct interface *ptr)
+{
+ const struct aftype *ap;
+ const struct hwtype *hw;
+ int hf;
+ int can_compress = 0;
+
ap = get_afntype(ptr->addr.sa_family);
if (ap == NULL)
ap = get_afntype(0);
@@ -947,9 +1017,11 @@ static void ife_print(struct interface *ptr)
printf("%-9.9s Link encap:%s ", ptr->name, hw->title);
/* For some hardware types (eg Ash, ATM) we don't print the
hardware address if it's null. */
- if (hw->print != NULL && (!(hw_null_address(hw, ptr->hwaddr) &&
- hw->suppress_null_addr)))
+ if (hw->print != NULL
+ && !(hw_null_address(hw, ptr->hwaddr) && hw->suppress_null_addr)
+ ) {
printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr));
+ }
#ifdef IFF_PORTSEL
if (ptr->flags & IFF_PORTSEL) {
printf("Media:%s", if_port_text[ptr->map.port] /* [0] */);
@@ -971,68 +1043,7 @@ static void ife_print(struct interface *ptr)
printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1));
}
-#ifdef HAVE_AFINET6
-
-#define IPV6_ADDR_ANY 0x0000U
-
-#define IPV6_ADDR_UNICAST 0x0001U
-#define IPV6_ADDR_MULTICAST 0x0002U
-#define IPV6_ADDR_ANYCAST 0x0004U
-
-#define IPV6_ADDR_LOOPBACK 0x0010U
-#define IPV6_ADDR_LINKLOCAL 0x0020U
-#define IPV6_ADDR_SITELOCAL 0x0040U
-
-#define IPV6_ADDR_COMPATv4 0x0080U
-
-#define IPV6_ADDR_SCOPE_MASK 0x00f0U
-
-#define IPV6_ADDR_MAPPED 0x1000U
-#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
-
- f = fopen_for_read(_PATH_PROCNET_IFINET6);
- if (f != NULL) {
- while (fscanf
- (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
- addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
- &dad_status, devname) != EOF
- ) {
- if (!strcmp(devname, ptr->name)) {
- sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
- inet_pton(AF_INET6, addr6,
- (struct sockaddr *) &sap.sin6_addr);
- sap.sin6_family = AF_INET6;
- printf(" inet6 addr: %s/%d",
- INET6_sprint((struct sockaddr *) &sap, 1),
- plen);
- printf(" Scope:");
- switch (scope & IPV6_ADDR_SCOPE_MASK) {
- case 0:
- puts("Global");
- break;
- case IPV6_ADDR_LINKLOCAL:
- puts("Link");
- break;
- case IPV6_ADDR_SITELOCAL:
- puts("Site");
- break;
- case IPV6_ADDR_COMPATv4:
- puts("Compat");
- break;
- case IPV6_ADDR_LOOPBACK:
- puts("Host");
- break;
- default:
- puts("Unknown");
- }
- }
- }
- fclose(f);
- }
-#endif
+ ife_print6(ptr);
printf(" ");
/* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */
@@ -1124,11 +1135,11 @@ static void ife_print(struct interface *ptr)
printf("\n R");
print_bytes_scaled(ptr->stats.rx_bytes, " T");
print_bytes_scaled(ptr->stats.tx_bytes, "\n");
-
}
- if ((ptr->map.irq || ptr->map.mem_start || ptr->map.dma ||
- ptr->map.base_addr)) {
+ if (ptr->map.irq || ptr->map.mem_start
+ || ptr->map.dma || ptr->map.base_addr
+ ) {
printf(" ");
if (ptr->map.irq)
printf("Interrupt:%d ", ptr->map.irq);
@@ -1147,7 +1158,6 @@ static void ife_print(struct interface *ptr)
bb_putchar('\n');
}
-
static int do_if_print(struct interface *ife) /*, int *opt_a)*/
{
int res;