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uwac: don't try to use O_TMPFILE on FreeBSD

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Currently, this sets an invalid open flag and attempts to open(), which
will fail.  Instead of doing that, don't try to define O_TMPFILE where
such a definition can't exist and force the fallback rather than making
an always-fail open() call.
This commit is contained in:
Kyle Evans 2020-06-07 23:13:58 -05:00 committed by akallabeth
parent 0cf764f170
commit 1b5e234135
1 changed files with 10 additions and 1 deletions
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11
uwac/libuwac/uwac-os.c
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@ -34,7 +34,7 @@
#endif #endif
/* uClibc and uClibc-ng don't provide O_TMPFILE */ /* uClibc and uClibc-ng don't provide O_TMPFILE */
#ifndef O_TMPFILE #if !defined(O_TMPFILE) && !defined(__FreeBSD__)
#define O_TMPFILE (020000000 | O_DIRECTORY) #define O_TMPFILE (020000000 | O_DIRECTORY)
#endif #endif
@ -230,7 +230,16 @@ int uwac_create_anonymous_file(off_t size)
return -1; return -1;
} }
#ifdef O_TMPFILE
fd = open(path, O_TMPFILE | O_RDWR | O_EXCL, 0600); fd = open(path, O_TMPFILE | O_RDWR | O_EXCL, 0600);
#else
/*
* Some platforms (e.g. FreeBSD) won't support O_TMPFILE and can't
* reasonably emulate it at first blush. Opt to make them rely on
* the create_tmpfile_cloexec() path instead.
*/
fd = -1;
#endif
if (fd < 0) if (fd < 0)
{ {