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os_support: K&R formatting cosmetics
This commit is contained in:
Diego Biurrun
parent
453c02f971
commit
7a249625fd
@ -75,21 +75,22 @@ int ff_win32_open(const char *filename_utf8, int oflag, int pmode)
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#if !HAVE_INET_ATON
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#include <stdlib.h>
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int ff_inet_aton (const char * str, struct in_addr * add)
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int ff_inet_aton(const char *str, struct in_addr *add)
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{
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unsigned int add1 = 0, add2 = 0, add3 = 0, add4 = 0;
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if (sscanf(str, "%d.%d.%d.%d", &add1, &add2, &add3, &add4) != 4)
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return 0;
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if (!add1 || (add1|add2|add3|add4) > 255) return 0;
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if (!add1 || (add1 | add2 | add3 | add4) > 255)
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return 0;
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add->s_addr = htonl((add1 << 24) + (add2 << 16) + (add3 << 8) + add4);
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return 1;
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}
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#else
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int ff_inet_aton (const char * str, struct in_addr * add)
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int ff_inet_aton(const char *str, struct in_addr *add)
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{
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return inet_aton(str, add);
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}
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@ -97,7 +98,7 @@ int ff_inet_aton (const char * str, struct in_addr * add)
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#if !HAVE_GETADDRINFO
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int ff_getaddrinfo(const char *node, const char *service,
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const struct addrinfo *hints, struct addrinfo **res)
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const struct addrinfo *hints, struct addrinfo **res)
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{
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struct hostent *h = NULL;
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struct addrinfo *ai;
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@ -114,7 +115,7 @@ int ff_getaddrinfo(const char *node, const char *service,
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#endif
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*res = NULL;
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sin = av_mallocz(sizeof(struct sockaddr_in));
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sin = av_mallocz(sizeof(struct sockaddr_in));
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if (!sin)
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return EAI_FAIL;
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sin->sin_family = AF_INET;
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@ -133,9 +134,9 @@ int ff_getaddrinfo(const char *node, const char *service,
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memcpy(&sin->sin_addr, h->h_addr_list[0], sizeof(struct in_addr));
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}
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} else {
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if (hints && (hints->ai_flags & AI_PASSIVE)) {
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if (hints && (hints->ai_flags & AI_PASSIVE))
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sin->sin_addr.s_addr = INADDR_ANY;
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} else
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else
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sin->sin_addr.s_addr = INADDR_LOOPBACK;
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}
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@ -150,16 +151,22 @@ int ff_getaddrinfo(const char *node, const char *service,
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return EAI_FAIL;
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}
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*res = ai;
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ai->ai_family = AF_INET;
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*res = ai;
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ai->ai_family = AF_INET;
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ai->ai_socktype = hints ? hints->ai_socktype : 0;
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switch (ai->ai_socktype) {
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case SOCK_STREAM: ai->ai_protocol = IPPROTO_TCP; break;
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case SOCK_DGRAM: ai->ai_protocol = IPPROTO_UDP; break;
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default: ai->ai_protocol = 0; break;
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case SOCK_STREAM:
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ai->ai_protocol = IPPROTO_TCP;
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break;
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case SOCK_DGRAM:
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ai->ai_protocol = IPPROTO_UDP;
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break;
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default:
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ai->ai_protocol = 0;
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break;
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}
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ai->ai_addr = (struct sockaddr *)sin;
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ai->ai_addr = (struct sockaddr *)sin;
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ai->ai_addrlen = sizeof(struct sockaddr_in);
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if (hints && (hints->ai_flags & AI_CANONNAME))
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ai->ai_canonname = h ? av_strdup(h->h_name) : NULL;
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@ -222,7 +229,7 @@ int ff_getnameinfo(const struct sockaddr *sa, int salen,
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a = ntohl(sin->sin_addr.s_addr);
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snprintf(host, hostlen, "%d.%d.%d.%d",
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((a >> 24) & 0xff), ((a >> 16) & 0xff),
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((a >> 8) & 0xff), ( a & 0xff));
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((a >> 8) & 0xff), (a & 0xff));
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}
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}
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@ -231,9 +238,9 @@ int ff_getnameinfo(const struct sockaddr *sa, int salen,
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if (!(flags & NI_NUMERICSERV))
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ent = getservbyport(sin->sin_port, flags & NI_DGRAM ? "udp" : "tcp");
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if (ent) {
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if (ent)
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snprintf(serv, servlen, "%s", ent->s_name);
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} else
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else
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snprintf(serv, servlen, "%d", ntohs(sin->sin_port));
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}
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@ -244,18 +251,28 @@ int ff_getnameinfo(const struct sockaddr *sa, int salen,
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#if !HAVE_GETADDRINFO || HAVE_WINSOCK2_H
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const char *ff_gai_strerror(int ecode)
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{
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switch(ecode) {
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case EAI_AGAIN : return "Temporary failure in name resolution";
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case EAI_BADFLAGS: return "Invalid flags for ai_flags";
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case EAI_FAIL : return "A non-recoverable error occurred";
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case EAI_FAMILY : return "The address family was not recognized or the address length was invalid for the specified family";
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case EAI_MEMORY : return "Memory allocation failure";
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switch (ecode) {
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case EAI_AGAIN:
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return "Temporary failure in name resolution";
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case EAI_BADFLAGS:
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return "Invalid flags for ai_flags";
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case EAI_FAIL:
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return "A non-recoverable error occurred";
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case EAI_FAMILY:
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return "The address family was not recognized or the address "
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"length was invalid for the specified family";
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case EAI_MEMORY:
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return "Memory allocation failure";
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#if EAI_NODATA != EAI_NONAME
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case EAI_NODATA : return "No address associated with hostname";
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case EAI_NODATA:
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return "No address associated with hostname";
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#endif
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case EAI_NONAME : return "The name does not resolve for the supplied parameters";
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case EAI_SERVICE: return "servname not supported for ai_socktype";
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case EAI_SOCKTYPE: return "ai_socktype not supported";
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case EAI_NONAME:
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return "The name does not resolve for the supplied parameters";
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case EAI_SERVICE:
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return "servname not supported for ai_socktype";
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case EAI_SOCKTYPE:
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return "ai_socktype not supported";
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}
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return "Unknown error";
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@ -265,13 +282,13 @@ const char *ff_gai_strerror(int ecode)
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int ff_socket_nonblock(int socket, int enable)
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{
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#if HAVE_WINSOCK2_H
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u_long param = enable;
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return ioctlsocket(socket, FIONBIO, ¶m);
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u_long param = enable;
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return ioctlsocket(socket, FIONBIO, ¶m);
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#else
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if (enable)
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return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) | O_NONBLOCK);
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else
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return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) & ~O_NONBLOCK);
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if (enable)
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return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) | O_NONBLOCK);
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else
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return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) & ~O_NONBLOCK);
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#endif
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}
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@ -297,7 +314,7 @@ int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout)
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FD_ZERO(&exception_set);
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n = 0;
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for(i = 0; i < numfds; i++) {
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for (i = 0; i < numfds; i++) {
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if (fds[i].fd < 0)
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continue;
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#if !HAVE_WINSOCK2_H
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@ -307,38 +324,43 @@ int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout)
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}
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#endif
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if (fds[i].events & POLLIN) FD_SET(fds[i].fd, &read_set);
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if (fds[i].events & POLLOUT) FD_SET(fds[i].fd, &write_set);
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if (fds[i].events & POLLERR) FD_SET(fds[i].fd, &exception_set);
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if (fds[i].events & POLLIN)
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FD_SET(fds[i].fd, &read_set);
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if (fds[i].events & POLLOUT)
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FD_SET(fds[i].fd, &write_set);
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if (fds[i].events & POLLERR)
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FD_SET(fds[i].fd, &exception_set);
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if (fds[i].fd >= n)
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n = fds[i].fd + 1;
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};
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}
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if (n == 0)
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/* Hey!? Nothing to poll, in fact!!! */
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return 0;
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if (timeout < 0)
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if (timeout < 0) {
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rc = select(n, &read_set, &write_set, &exception_set, NULL);
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else {
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struct timeval tv;
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tv.tv_sec = timeout / 1000;
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} else {
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struct timeval tv;
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = 1000 * (timeout % 1000);
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rc = select(n, &read_set, &write_set, &exception_set, &tv);
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};
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rc = select(n, &read_set, &write_set, &exception_set, &tv);
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}
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if (rc < 0)
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return rc;
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for(i = 0; i < numfds; i++) {
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for (i = 0; i < numfds; i++) {
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fds[i].revents = 0;
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if (FD_ISSET(fds[i].fd, &read_set)) fds[i].revents |= POLLIN;
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if (FD_ISSET(fds[i].fd, &write_set)) fds[i].revents |= POLLOUT;
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if (FD_ISSET(fds[i].fd, &exception_set)) fds[i].revents |= POLLERR;
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};
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if (FD_ISSET(fds[i].fd, &read_set))
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fds[i].revents |= POLLIN;
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if (FD_ISSET(fds[i].fd, &write_set))
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fds[i].revents |= POLLOUT;
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if (FD_ISSET(fds[i].fd, &exception_set))
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fds[i].revents |= POLLERR;
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}
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return rc;
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}
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