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Fix coding style

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- Use block for single statement ifs
- Keep lines to reasonable length (current debate as to reasonable)
- When functions return -1 for error test against 0 not -1
- Do not indent cases another level
- Do not test against NULL and 0 explicitly
- Use tabs for indentation, use spaces for alignment
This commit is contained in:
Aaron Marcher
2018-05-06 22:28:56 +02:00
parent 66a7fb16fc
commit ee5ec75621
15 changed files with 91 additions and 66 deletions
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20
components/ip.c
View File

@ -18,17 +18,19 @@ ipv4(const char *iface)
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
if (getifaddrs(&ifaddr) < 0) {
fprintf(stderr, "getifaddrs: %s\n", strerror(errno));
return NULL;
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL) {
if (!ifa->ifa_addr) {
continue;
}
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host,
NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if (!strcmp(ifa->ifa_name, iface) &&
(ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
fprintf(stderr, "getnameinfo: %s\n", gai_strerror(s));
return NULL;
@ -49,17 +51,19 @@ ipv6(const char *iface)
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
if (getifaddrs(&ifaddr) < 0) {
fprintf(stderr, "getifaddrs: %s\n", strerror(errno));
return NULL;
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL) {
if (!ifa->ifa_addr) {
continue;
}
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host,
NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if (!strcmp(ifa->ifa_name, iface) &&
(ifa->ifa_addr->sa_family == AF_INET6)) {
if (s != 0) {
fprintf(stderr, "getnameinfo: %s\n", gai_strerror(s));
return NULL;