115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
//-----------------------------------------------------------------------------
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// compat (unix & stdio.h)
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#if is(tcc) && is(win32) // add missing symbols
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const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT; /* :: */
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const struct in6_addr in6addr_loopback; /* ::1 */
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#endif
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#if is(win32)
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#include <io.h>
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#if is(mingw)
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#include <unistd.h>
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#endif
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#else
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#include <unistd.h>
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#include <sched.h> // sched_setaffinity(), CPU_ZERO(), CPU_COUNT()
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#include <sys/ioctl.h>
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#endif
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#if is(ems)
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//#define unlink(x) ((void)(x), 0)
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#endif
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#if is(win32)
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//#define alloca _alloca
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#define atoi64 _atoi64
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#define popen _popen
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#define pclose _pclose
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//#define strncasecmp _strnicmp
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#define mkdir(p,m) mkdir(p)
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#define chdir ifdef(cl, _chdir, chdir)
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#if is(cl) || is(tcc)
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#define ftruncate _chsize_s
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#endif
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#else // gcc
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//#include <alloca.h> // mingw64 does not have it
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#include <strings.h> // strncasecmp
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#define atoi64 atoll
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//#define strstri strcasestr
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//#define strcmpi strcasecmp
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#endif
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#if defined MAX_PATH
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#define DIR_MAX MAX_PATH
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#elif defined PATH_MAX
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#define DIR_MAX PATH_MAX
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#else
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#define DIR_MAX 260
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#endif
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#if is(win32) // _MSC_VER and __MINGW64__
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#include <stdio.h>
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#include <windows.h>
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#include <share.h>
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#include <io.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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FILE *fmemopen(void *buf, size_t len, const char *type) {
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int fd = -1;
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char temppath[DIR_MAX - 14], filename[DIR_MAX + 1];
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if( GetTempPathA(sizeof(temppath), temppath) )
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if( GetTempFileNameA(temppath, "v4k_temp", 0, filename) )
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if( !_sopen_s(&fd, filename, _O_CREAT | _O_SHORT_LIVED | _O_TEMPORARY | _O_RDWR | _O_BINARY | _O_NOINHERIT, _SH_DENYRW, _S_IREAD | _S_IWRITE) )
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for( FILE *fp = fd != -1 ? _fdopen(fd, "w+b") : NULL; fp; )
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return fwrite(buf, len, 1, fp), rewind(fp), unlink(filename), fp; // no need to _close. fclose(on the returned FILE*) also _closes the file descriptor.
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return fd != -1 ? _close(fd), NULL : NULL;
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}
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#endif
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#if 0
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#if !is(cl)
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#define tmpfile file_temp
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#endif
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#define tmpnam(x) file_tempname()
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#endif
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#if 0
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static
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const char *pathfile_from_handle(FILE *fp) {
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#if is(win32)
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int fd = fileno(fp);
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HANDLE handle = (HANDLE)_get_osfhandle( fd ); // <io.h>
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DWORD size = GetFinalPathNameByHandleW(handle, NULL, 0, VOLUME_NAME_DOS);
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wchar_t name[DIR_MAX] = L"";
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size = GetFinalPathNameByHandleW(handle, name, size, VOLUME_NAME_DOS);
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name[size] = L'\0';
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return wchar16to8(name + 4); // skip \\?\ header
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#else
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// In Linux, you can use readlink on /proc/self/fd/NNN where NNN is the file descriptor
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// In OSX:
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// #include <sys/syslimits.h>
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// #include <fcntl.h>
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// char filePath[DIR_MAX];
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// if (fcntl(fd, F_GETPATH, filePath) != -1) {
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// // do something with the file path
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// }
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return 0;
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#endif
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}
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#endif
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// -----------------------------------------------------------------------------
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// new C macros
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#define cast(T) ifdef(c, void *, decltype(T))
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#define literal(T) ifdef(c, T, (T))
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// -----------------------------------------------------------------------------
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void v4k_init();
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static void v4k_pre_init();
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static void v4k_post_init(float);
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