X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Ftext%2Ffilesystem.c;h=31fddef92647e1d80da80da98ce82bc16497cb2d;hb=447d0c8fad511536e86bad5141bd9dd9721ed95a;hp=a0d10502337327e4b396cffafda6e9e1d24fa57d;hpb=3eb3e72a3149bbbf328ce2baa382b65102d72f7b;p=vlc

diff --git a/src/text/filesystem.c b/src/text/filesystem.c
index a0d1050233..31fddef926 100644
--- a/src/text/filesystem.c
+++ b/src/text/filesystem.c
@@ -37,6 +37,7 @@
 #include <assert.h>
 
 #include <stdio.h>
+#include <limits.h> /* NAME_MAX */
 #include <errno.h>
 #include <sys/types.h>
 #ifdef HAVE_DIRENT_H
@@ -225,7 +226,7 @@ int vlc_openat (int dir, const char *filename, int flags, ...)
         return -1;
     }
 
-#ifdef HAVE_FDOPENDIR
+#ifdef HAVE_OPENAT
     int fd = openat (dir, local_name, flags, mode);
 # ifdef HAVE_FCNTL
     if (fd != -1)
@@ -322,12 +323,18 @@ char *vlc_readdir( DIR *dir )
     return FromWide (ent->d_name);
 #else
     struct dirent *ent;
-
-    ent = readdir( (DIR *)dir );
-    if( ent == NULL )
+    struct
+    {
+        struct dirent ent;
+        char buf[NAME_MAX + 1];
+    } buf;
+    int val = readdir_r (dir, &buf.ent, &ent);
+    if (val)
+    {
+        errno = val;
         return NULL;
-
-    return vlc_fix_readdir( ent->d_name );
+    }
+    return ent ? vlc_fix_readdir( ent->d_name ) : NULL;
 #endif
 }
 
@@ -520,7 +527,17 @@ int vlc_rename (const char *oldpath, const char *newpath)
     else
         return -1;
 #else
-    return _wrename (wold, wnew);
+    if (_wrename (wold, wnew) && errno == EACCES)
+    {   /* Windows does not allow atomic file replacement */
+        if (_wremove (wnew))
+        {
+            errno = EACCES; /* restore errno */
+            return -1;
+        }
+        if (_wrename (wold, wnew))
+            return -1;
+    }
+    return 0;
 #endif
 
 #endif
@@ -617,6 +634,8 @@ int vlc_dup (int oldfd)
     return newfd;
 }
 
+#include <vlc_network.h>
+
 /**
  * Creates a socket file descriptor. The new file descriptor has the
  * close-on-exec flag set.
@@ -634,7 +653,7 @@ int vlc_socket (int pf, int type, int proto, bool nonblock)
     type |= SOCK_CLOEXEC;
     if (nonblock)
         type |= SOCK_NONBLOCK;
-    fd = socket (pf, type | SOCK_NONBLOCK | SOCK_CLOEXEC, proto);
+    fd = socket (pf, type, proto);
     if (fd != -1 || errno != EINVAL)
         return fd;
 
@@ -655,3 +674,55 @@ int vlc_socket (int pf, int type, int proto, bool nonblock)
 #endif
     return fd;
 }
+
+/**
+ * Accepts an inbound connection request on a listening socket.
+ * The new file descriptor has the close-on-exec flag set.
+ * @param lfd listening socket file descriptor
+ * @param addr pointer to the peer address or NULL [OUT]
+ * @param alen pointer to the length of the peer address or NULL [OUT]
+ * @param nonblock whether to put the new socket in non-blocking mode
+ * @return a new file descriptor, or -1 on error.
+ */
+int vlc_accept (int lfd, struct sockaddr *addr, socklen_t *alen, bool nonblock)
+{
+#ifdef HAVE_ACCEPT4
+    int flags = SOCK_CLOEXEC;
+    if (nonblock)
+        flags |= SOCK_NONBLOCK;
+
+    do
+    {
+        int fd = accept4 (lfd, addr, alen, flags);
+        if (fd != -1)
+            return fd;
+    }
+    while (errno == EINTR);
+
+    if (errno != ENOSYS)
+        return -1;
+#endif
+#ifdef WIN32
+    errno = 0;
+#endif
+
+    do
+    {
+        int fd = accept (lfd, addr, alen);
+        if (fd != -1)
+        {
+#ifndef WIN32
+            fcntl (fd, F_SETFD, FD_CLOEXEC);
+            if (nonblock)
+                fcntl (fd, F_SETFL, fcntl (fd, F_GETFL, 0) | O_NONBLOCK);
+#else
+            if (nonblock)
+                ioctlsocket (fd, FIONBIO, &(unsigned long){ 1 });
+#endif
+            return fd;
+        }
+    }
+    while (errno == EINTR);
+
+    return -1;
+}