diff options
Diffstat (limited to 'lib/libc/stdio/flags.c')
| -rw-r--r-- | lib/libc/stdio/flags.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/lib/libc/stdio/flags.c b/lib/libc/stdio/flags.c index 8cd1ce279d0..d6df6daab88 100644 --- a/lib/libc/stdio/flags.c +++ b/lib/libc/stdio/flags.c @@ -1,4 +1,4 @@ -/* $OpenBSD: flags.c,v 1.7 2013/11/12 07:04:35 deraadt Exp $ */ +/* $OpenBSD: flags.c,v 1.8 2014/08/31 02:21:18 guenther Exp $ */ /*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. @@ -72,11 +72,34 @@ __sflags(const char *mode, int *optr) return (0); } - /* [rwa]\+ or [rwa]b\+ means read and write */ - if (*mode == '+' || (*mode == 'b' && mode[1] == '+')) { - ret = __SRW; - m = O_RDWR; - } + while (*mode != '\0') + switch (*mode++) { + case 'b': + break; + case '+': + ret = __SRW; + m = O_RDWR; + break; + case 'e': + o |= O_CLOEXEC; + break; + case 'x': + if (o & O_CREAT) + o |= O_EXCL; + break; + default: + /* + * Lots of software passes other extension mode + * letters, like Window's 't' + */ +#if 0 + errno = EINVAL; + return (0); +#else + break; +#endif + } + *optr = m | o; return (ret); } |