/*
- * Various utilities for ffmpeg system
+ * various OS-feature replacement utilities
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* copyright (c) 2002 Francois Revol
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "avformat.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/time.h>
#include "os_support.h"
-#ifdef CONFIG_NETWORK
-#ifndef HAVE_POLL_H
-#ifdef HAVE_WINSOCK2_H
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+#include <windows.h>
+
+#undef open
+int ff_win32_open(const char *filename_utf8, int oflag, int pmode)
+{
+ int fd;
+ int num_chars;
+ wchar_t *filename_w;
+
+ /* convert UTF-8 to wide chars */
+ num_chars = MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, NULL, 0);
+ if (num_chars <= 0)
+ return -1;
+ filename_w = av_mallocz(sizeof(wchar_t) * num_chars);
+ MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
+
+ fd = _wopen(filename_w, oflag, pmode);
+ av_freep(&filename_w);
+
+ /* filename maybe be in CP_ACP */
+ if (fd == -1 && !(oflag & O_CREAT))
+ return open(filename_utf8, oflag, pmode);
+
+ return fd;
+}
+#endif
+
+#if CONFIG_NETWORK
+#include <fcntl.h>
+#if !HAVE_POLL_H
+#include <sys/time.h>
+#if HAVE_WINSOCK2_H
#include <winsock2.h>
-#elif defined (HAVE_SYS_SELECT_H)
+#elif HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#endif
#include "network.h"
-#if !defined(HAVE_INET_ATON)
+#if !HAVE_INET_ATON
#include <stdlib.h>
-#include <strings.h>
-int inet_aton (const char * str, struct in_addr * add)
+int ff_inet_aton (const char * str, struct in_addr * add)
{
unsigned int add1 = 0, add2 = 0, add3 = 0, add4 = 0;
if (!add1 || (add1|add2|add3|add4) > 255) return 0;
- add->s_addr=(add4<<24)+(add3<<16)+(add2<<8)+add1;
+ add->s_addr = htonl((add1 << 24) + (add2 << 16) + (add3 << 8) + add4);
return 1;
}
-#endif /* !defined(HAVE_INET_ATON) */
+#else
+int ff_inet_aton (const char * str, struct in_addr * add)
+{
+ return inet_aton(str, add);
+}
+#endif /* !HAVE_INET_ATON */
-/* resolve host with also IP address parsing */
-int resolve_host(struct in_addr *sin_addr, const char *hostname)
+#if !HAVE_GETADDRINFO
+int ff_getaddrinfo(const char *node, const char *service,
+ const struct addrinfo *hints, struct addrinfo **res)
{
- struct hostent *hp;
+ struct hostent *h = NULL;
+ struct addrinfo *ai;
+ struct sockaddr_in *sin;
- if (!inet_aton(hostname, sin_addr)) {
- hp = gethostbyname(hostname);
- if (!hp)
- return -1;
- memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
+#if HAVE_WINSOCK2_H
+ int (WSAAPI *win_getaddrinfo)(const char *node, const char *service,
+ const struct addrinfo *hints,
+ struct addrinfo **res);
+ HMODULE ws2mod = GetModuleHandle("ws2_32.dll");
+ win_getaddrinfo = GetProcAddress(ws2mod, "getaddrinfo");
+ if (win_getaddrinfo)
+ return win_getaddrinfo(node, service, hints, res);
+#endif
+
+ *res = NULL;
+ sin = av_mallocz(sizeof(struct sockaddr_in));
+ if (!sin)
+ return EAI_FAIL;
+ sin->sin_family = AF_INET;
+
+ if (node) {
+ if (!ff_inet_aton(node, &sin->sin_addr)) {
+ if (hints && (hints->ai_flags & AI_NUMERICHOST)) {
+ av_free(sin);
+ return EAI_FAIL;
+ }
+ h = gethostbyname(node);
+ if (!h) {
+ av_free(sin);
+ return EAI_FAIL;
+ }
+ memcpy(&sin->sin_addr, h->h_addr_list[0], sizeof(struct in_addr));
+ }
+ } else {
+ if (hints && (hints->ai_flags & AI_PASSIVE)) {
+ sin->sin_addr.s_addr = INADDR_ANY;
+ } else
+ sin->sin_addr.s_addr = INADDR_LOOPBACK;
+ }
+
+ /* Note: getaddrinfo allows service to be a string, which
+ * should be looked up using getservbyname. */
+ if (service)
+ sin->sin_port = htons(atoi(service));
+
+ ai = av_mallocz(sizeof(struct addrinfo));
+ if (!ai) {
+ av_free(sin);
+ return EAI_FAIL;
+ }
+
+ *res = ai;
+ ai->ai_family = AF_INET;
+ ai->ai_socktype = hints ? hints->ai_socktype : 0;
+ switch (ai->ai_socktype) {
+ case SOCK_STREAM: ai->ai_protocol = IPPROTO_TCP; break;
+ case SOCK_DGRAM: ai->ai_protocol = IPPROTO_UDP; break;
+ default: ai->ai_protocol = 0; break;
+ }
+
+ ai->ai_addr = (struct sockaddr *)sin;
+ ai->ai_addrlen = sizeof(struct sockaddr_in);
+ if (hints && (hints->ai_flags & AI_CANONNAME))
+ ai->ai_canonname = h ? av_strdup(h->h_name) : NULL;
+
+ ai->ai_next = NULL;
+ return 0;
+}
+
+void ff_freeaddrinfo(struct addrinfo *res)
+{
+#if HAVE_WINSOCK2_H
+ void (WSAAPI *win_freeaddrinfo)(struct addrinfo *res);
+ HMODULE ws2mod = GetModuleHandle("ws2_32.dll");
+ win_freeaddrinfo = (void (WSAAPI *)(struct addrinfo *res))
+ GetProcAddress(ws2mod, "freeaddrinfo");
+ if (win_freeaddrinfo) {
+ win_freeaddrinfo(res);
+ return;
+ }
+#endif
+
+ av_free(res->ai_canonname);
+ av_free(res->ai_addr);
+ av_free(res);
+}
+
+int ff_getnameinfo(const struct sockaddr *sa, int salen,
+ char *host, int hostlen,
+ char *serv, int servlen, int flags)
+{
+ const struct sockaddr_in *sin = (const struct sockaddr_in *)sa;
+
+#if HAVE_WINSOCK2_H
+ int (WSAAPI *win_getnameinfo)(const struct sockaddr *sa, socklen_t salen,
+ char *host, DWORD hostlen,
+ char *serv, DWORD servlen, int flags);
+ HMODULE ws2mod = GetModuleHandle("ws2_32.dll");
+ win_getnameinfo = GetProcAddress(ws2mod, "getnameinfo");
+ if (win_getnameinfo)
+ return win_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+#endif
+
+ if (sa->sa_family != AF_INET)
+ return EAI_FAMILY;
+ if (!host && !serv)
+ return EAI_NONAME;
+
+ if (host && hostlen > 0) {
+ struct hostent *ent = NULL;
+ uint32_t a;
+ if (!(flags & NI_NUMERICHOST))
+ ent = gethostbyaddr((const char *)&sin->sin_addr,
+ sizeof(sin->sin_addr), AF_INET);
+
+ if (ent) {
+ snprintf(host, hostlen, "%s", ent->h_name);
+ } else if (flags & NI_NAMERQD) {
+ return EAI_NONAME;
+ } else {
+ a = ntohl(sin->sin_addr.s_addr);
+ snprintf(host, hostlen, "%d.%d.%d.%d",
+ ((a >> 24) & 0xff), ((a >> 16) & 0xff),
+ ((a >> 8) & 0xff), ( a & 0xff));
+ }
+ }
+
+ if (serv && servlen > 0) {
+ struct servent *ent = NULL;
+ if (!(flags & NI_NUMERICSERV))
+ ent = getservbyport(sin->sin_port, flags & NI_DGRAM ? "udp" : "tcp");
+
+ if (ent) {
+ snprintf(serv, servlen, "%s", ent->s_name);
+ } else
+ snprintf(serv, servlen, "%d", ntohs(sin->sin_port));
}
+
return 0;
}
+const char *ff_gai_strerror(int ecode)
+{
+ switch(ecode) {
+ case EAI_FAIL : return "A non-recoverable error occurred";
+ case EAI_FAMILY : return "The address family was not recognized or the address length was invalid for the specified family";
+ case EAI_NONAME : return "The name does not resolve for the supplied parameters";
+ }
+
+ return "Unknown error";
+}
+#endif
+
int ff_socket_nonblock(int socket, int enable)
{
-#ifdef HAVE_WINSOCK2_H
- return ioctlsocket(socket, FIONBIO, &enable);
+#if HAVE_WINSOCK2_H
+ u_long param = enable;
+ return ioctlsocket(socket, FIONBIO, ¶m);
#else
if (enable)
return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) | O_NONBLOCK);
return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) & ~O_NONBLOCK);
#endif
}
-#endif /* CONFIG_NETWORK */
-#ifdef CONFIG_FFSERVER
-#ifndef HAVE_POLL_H
+#if !HAVE_POLL_H
int poll(struct pollfd *fds, nfds_t numfds, int timeout)
{
fd_set read_set;
int n;
int rc;
-#ifdef HAVE_WINSOCK2_H
+#if HAVE_WINSOCK2_H
if (numfds >= FD_SETSIZE) {
errno = EINVAL;
return -1;
for(i = 0; i < numfds; i++) {
if (fds[i].fd < 0)
continue;
-#ifndef HAVE_WINSOCK2_H
+#if !HAVE_WINSOCK2_H
if (fds[i].fd >= FD_SETSIZE) {
errno = EINVAL;
return -1;
if (rc < 0)
return rc;
- for(i = 0; i < (nfds_t) n; i++) {
+ for(i = 0; i < numfds; i++) {
fds[i].revents = 0;
if (FD_ISSET(fds[i].fd, &read_set)) fds[i].revents |= POLLIN;
return rc;
}
#endif /* HAVE_POLL_H */
-#endif /* CONFIG_FFSERVER */
-
+#endif /* CONFIG_NETWORK */