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Use error_msg_and_die, style

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This commit is contained in:
Glenn L McGrath 2002-11-18 07:26:42 +00:00
parent 29d801b834
commit 50c00f4b45
1 changed files with 50 additions and 35 deletions
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85
networking/libiproute/utils.c
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@ -57,7 +57,7 @@ int get_unsigned(unsigned *val, char *arg, int base)
return 0; return 0;
} }
int get_u32(__u32 *val, char *arg, int base) int get_u32(__u32 * val, char *arg, int base)
{ {
unsigned long res; unsigned long res;
char *ptr; char *ptr;
@ -71,7 +71,7 @@ int get_u32(__u32 *val, char *arg, int base)
return 0; return 0;
} }
int get_u16(__u16 *val, char *arg, int base) int get_u16(__u16 * val, char *arg, int base)
{ {
unsigned long res; unsigned long res;
char *ptr; char *ptr;
@ -85,7 +85,7 @@ int get_u16(__u16 *val, char *arg, int base)
return 0; return 0;
} }
int get_u8(__u8 *val, char *arg, int base) int get_u8(__u8 * val, char *arg, int base)
{ {
unsigned long res; unsigned long res;
char *ptr; char *ptr;
@ -99,7 +99,7 @@ int get_u8(__u8 *val, char *arg, int base)
return 0; return 0;
} }
int get_s16(__s16 *val, char *arg, int base) int get_s16(__s16 * val, char *arg, int base)
{ {
long res; long res;
char *ptr; char *ptr;
@ -113,7 +113,7 @@ int get_s16(__s16 *val, char *arg, int base)
return 0; return 0;
} }
int get_s8(__s8 *val, char *arg, int base) int get_s8(__s8 * val, char *arg, int base)
{ {
long res; long res;
char *ptr; char *ptr;
@ -127,17 +127,16 @@ int get_s8(__s8 *val, char *arg, int base)
return 0; return 0;
} }
int get_addr_1(inet_prefix *addr, char *name, int family) int get_addr_1(inet_prefix * addr, char *name, int family)
{ {
char *cp; char *cp;
unsigned char *ap = (unsigned char*)addr->data; unsigned char *ap = (unsigned char *) addr->data;
int i; int i;
memset(addr, 0, sizeof(*addr)); memset(addr, 0, sizeof(*addr));
if (strcmp(name, "default") == 0 || if (strcmp(name, "default") == 0 ||
strcmp(name, "all") == 0 || strcmp(name, "all") == 0 || strcmp(name, "any") == 0) {
strcmp(name, "any") == 0) {
addr->family = family; addr->family = family;
addr->bytelen = (family == AF_INET6 ? 16 : 4); addr->bytelen = (family == AF_INET6 ? 16 : 4);
addr->bitlen = -1; addr->bitlen = -1;
@ -160,9 +159,9 @@ int get_addr_1(inet_prefix *addr, char *name, int family)
return -1; return -1;
addr->bytelen = 4; addr->bytelen = 4;
addr->bitlen = -1; addr->bitlen = -1;
for (cp=name, i=0; *cp; cp++) { for (cp = name, i = 0; *cp; cp++) {
if (*cp <= '9' && *cp >= '0') { if (*cp <= '9' && *cp >= '0') {
ap[i] = 10*ap[i] + (*cp-'0'); ap[i] = 10 * ap[i] + (*cp - '0');
continue; continue;
} }
if (*cp == '.' && ++i <= 3) if (*cp == '.' && ++i <= 3)
@ -172,7 +171,7 @@ int get_addr_1(inet_prefix *addr, char *name, int family)
return 0; return 0;
} }
int get_prefix_1(inet_prefix *dst, char *arg, int family) int get_prefix_1(inet_prefix * dst, char *arg, int family)
{ {
int err; int err;
unsigned plen; unsigned plen;
@ -192,49 +191,57 @@ int get_prefix_1(inet_prefix *dst, char *arg, int family)
*slash = 0; *slash = 0;
err = get_addr_1(dst, arg, family); err = get_addr_1(dst, arg, family);
if (err == 0) { if (err == 0) {
switch(dst->family) { switch (dst->family) {
case AF_INET6: case AF_INET6:
dst->bitlen = 128; dst->bitlen = 128;
break; break;
default: default:
case AF_INET: case AF_INET:
dst->bitlen = 32; dst->bitlen = 32;
} }
if (slash) { if (slash) {
if (get_integer(&plen, slash+1, 0) || plen > dst->bitlen) { if (get_integer(&plen, slash + 1, 0) || plen > dst->bitlen) {
err = -1; err = -1;
goto done; goto done;
} }
dst->bitlen = plen; dst->bitlen = plen;
} }
} }
done: done:
if (slash) if (slash)
*slash = '/'; *slash = '/';
return err; return err;
} }
int get_addr(inet_prefix *dst, char *arg, int family) int get_addr(inet_prefix * dst, char *arg, int family)
{ {
if (family == AF_PACKET) { if (family == AF_PACKET) {
fprintf(stderr, "Error: \"%s\" may be inet address, but it is not allowed in this context.\n", arg); fprintf(stderr,
"Error: \"%s\" may be inet address, but it is not allowed in this context.\n",
arg);
exit(1); exit(1);
} }
if (get_addr_1(dst, arg, family)) { if (get_addr_1(dst, arg, family)) {
fprintf(stderr, "Error: an inet address is expected rather than \"%s\".\n", arg); fprintf(stderr,
"Error: an inet address is expected rather than \"%s\".\n",
arg);
exit(1); exit(1);
} }
return 0; return 0;
} }
int get_prefix(inet_prefix *dst, char *arg, int family) int get_prefix(inet_prefix * dst, char *arg, int family)
{ {
if (family == AF_PACKET) { if (family == AF_PACKET) {
fprintf(stderr, "Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n", arg); fprintf(stderr,
"Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n",
arg);
exit(1); exit(1);
} }
if (get_prefix_1(dst, arg, family)) { if (get_prefix_1(dst, arg, family)) {
fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", arg); fprintf(stderr,
"Error: an inet prefix is expected rather than \"%s\".\n",
arg);
exit(1); exit(1);
} }
return 0; return 0;
@ -243,8 +250,11 @@ int get_prefix(inet_prefix *dst, char *arg, int family)
__u32 get_addr32(char *name) __u32 get_addr32(char *name)
{ {
inet_prefix addr; inet_prefix addr;
if (get_addr_1(&addr, name, AF_INET)) { if (get_addr_1(&addr, name, AF_INET)) {
fprintf(stderr, "Error: an IP address is expected rather than \"%s\"\n", name); fprintf(stderr,
"Error: an IP address is expected rather than \"%s\"\n",
name);
exit(1); exit(1);
} }
return addr.data[0]; return addr.data[0];
@ -264,25 +274,29 @@ void invarg(char *msg, char *arg)
void duparg(char *key, char *arg) void duparg(char *key, char *arg)
{ {
fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n", key, arg); fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n",
key, arg);
exit(-1); exit(-1);
} }
void duparg2(char *key, char *arg) void duparg2(char *key, char *arg)
{ {
fprintf(stderr, "Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n", key, arg); fprintf(stderr,
"Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n",
key, arg);
exit(-1); exit(-1);
} }
int matches(char *cmd, char *pattern) int matches(char *cmd, char *pattern)
{ {
int len = strlen(cmd); int len = strlen(cmd);
if (len > strlen(pattern)) if (len > strlen(pattern))
return -1; return -1;
return memcmp(pattern, cmd, len); return memcmp(pattern, cmd, len);
} }
int inet_addr_match(inet_prefix *a, inet_prefix *b, int bits) int inet_addr_match(inet_prefix * a, inet_prefix * b, int bits)
{ {
__u32 *a1 = a->data; __u32 *a1 = a->data;
__u32 *a2 = b->data; __u32 *a2 = b->data;
@ -319,6 +333,7 @@ int __get_hz(void)
if (fp) { if (fp) {
unsigned nom, denom; unsigned nom, denom;
if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2) if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2)
if (nom == 1000000) if (nom == 1000000)
hz = denom; hz = denom;
@ -346,6 +361,7 @@ const char *format_host(int af, int len, void *addr, char *buf, int buflen)
#ifdef RESOLVE_HOSTNAMES #ifdef RESOLVE_HOSTNAMES
if (resolve_hosts) { if (resolve_hosts) {
struct hostent *h_ent; struct hostent *h_ent;
if (len <= 0) { if (len <= 0) {
switch (af) { switch (af) {
case AF_INET: case AF_INET:
@ -354,12 +370,11 @@ const char *format_host(int af, int len, void *addr, char *buf, int buflen)
case AF_INET6: case AF_INET6:
len = 16; len = 16;
break; break;
default: ; default:;
} }
} }
if (len > 0 && if (len > 0 && (h_ent = gethostbyaddr(addr, len, af)) != NULL) {
(h_ent = gethostbyaddr(addr, len, af)) != NULL) { snprintf(buf, buflen - 1, "%s", h_ent->h_name);
snprintf(buf, buflen-1, "%s", h_ent->h_name);
return buf; return buf;
} }
} }