# include <direct.h>
# include <io.h>
# include <shlobj.h>
+# include <sys/stat.h>
+# include <share.h>
#else
# include <pwd.h>
# include <sys/stat.h>
# define lseek _lseeki64
#endif
-#if _MSC_VER >= 1400
// suppress deprecated warnings
-# include <sys/stat.h>
-# include <share.h>
+#if _MSC_VER >= 1400
# define read _read
# define write _write
# define close _close
static pack_t *FS_LoadPackPK3 (const char *packfile)
{
int packhandle;
-#if _MSC_VER >= 1400
- _sopen_s(&packhandle, packfile, O_RDONLY | O_BINARY, _SH_DENYNO, _S_IREAD | _S_IWRITE);
-#else
- packhandle = open (packfile, O_RDONLY | O_BINARY);
-#endif
+ packhandle = FS_SysOpenFD (packfile, "rb", false);
if (packhandle < 0)
return NULL;
return FS_LoadPackPK3FromFD(packfile, packhandle, false);
pack_t *pack;
dpackfile_t *info;
-#if _MSC_VER >= 1400
- _sopen_s(&packhandle, packfile, O_RDONLY | O_BINARY, _SH_DENYNO, _S_IREAD | _S_IWRITE);
-#else
- packhandle = open (packfile, O_RDONLY | O_BINARY);
-#endif
+ packhandle = FS_SysOpenFD(packfile, "rb", false);
if (packhandle < 0)
return NULL;
if(read (packhandle, (void *)&header, sizeof(header)) != sizeof(header))
// see if we can write to this path (note: won't create path)
#ifdef WIN32
-# if _MSC_VER >= 1400
- _sopen_s(&fd, va(vabuf, sizeof(vabuf), "%s%s/config.cfg", userdir, gamedirname1), O_WRONLY | O_CREAT, _SH_DENYNO, _S_IREAD | _S_IWRITE); // note: no O_TRUNC here!
-# else
- fd = open (va(vabuf, sizeof(vabuf), "%s%s/config.cfg", userdir, gamedirname1), O_WRONLY | O_CREAT, 0666); // note: no O_TRUNC here!
-# endif
+ // no access() here, we must try to open the file for appending
+ fd = FS_SysOpenFD(va(vabuf, sizeof(vabuf), "%s%s/config.cfg", userdir, gamedirname1), "a", false);
if(fd >= 0)
close(fd);
#else
int FS_SysOpenFD(const char *filepath, const char *mode, qboolean nonblocking)
{
- int handle;
+ int handle = -1;
int mod, opt;
unsigned int ind;
+ qboolean dolock = false;
// Parse the mode string
switch (mode[0])
case 'b':
opt |= O_BINARY;
break;
+ case 'l':
+ dolock = true;
+ break;
default:
Con_Printf ("FS_SysOpen(%s, %s): unknown character in mode (%c)\n",
filepath, mode, mode[ind]);
if (nonblocking)
opt |= O_NONBLOCK;
-#if _MSC_VER >= 1400
- _sopen_s(&handle, filepath, mod | opt, _SH_DENYNO, _S_IREAD | _S_IWRITE);
+#ifdef WIN32
+# if _MSC_VER >= 1400
+ _sopen_s(&handle, filepath, mod | opt, (dolock ? ((mod == O_RDONLY) ? _SH_DENYRD : _SH_DENYRW) : _SH_DENYNO), _S_IREAD | _S_IWRITE);
+# else
+ handle = _sopen (filepath, mod | opt, (dolock ? ((mod == O_RDONLY) ? _SH_DENYRD : _SH_DENYRW) : _SH_DENYNO), _S_IREAD | _S_IWRITE);
+# endif
#else
handle = open (filepath, mod | opt, 0666);
+ if(handle >= 0 && dolock)
+ {
+ struct flock l;
+ l.l_type = ((mod == O_RDONLY) ? F_RDLCK : F_WRLCK);
+ l.l_whence = SEEK_SET;
+ l.l_start = 0;
+ l.l_len = 0;
+ if(fcntl(handle, F_SETLK, &l) == -1)
+ {
+ close(handle);
+ handle = -1;
+ }
+ }
#endif
+
return handle;
}