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| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-05-12 15:53:52 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-05-12 15:53:52 -0700 |
| commit | 8c7394e34a74aeb35ef6563ebd66f43fba7673b0 (patch) | |
| tree | 71224f92f8d854a34dacc0386cc2d15db2d56e7f | |
| parent | 1500f92cb22003471211eab1b37be386231c2138 (diff) | |
| download | klibc-8c7394e34a74aeb35ef6563ebd66f43fba7673b0.tar.gz | |
[klibc] f*open: support the glibc 'x' flag
Support the glibc 'x' extension for exclusively opening a file
(O_EXCL).
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | usr/klibc/stdio/openmode.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/usr/klibc/stdio/openmode.c b/usr/klibc/stdio/openmode.c index c3503e450454b6..971237d230f474 100644 --- a/usr/klibc/stdio/openmode.c +++ b/usr/klibc/stdio/openmode.c @@ -10,7 +10,7 @@ int __parse_open_mode(const char *mode) { int rwflags = O_RDONLY; int crflags = 0; - int eflag = 0; + int eflags = 0; while (*mode) { switch (*mode++) { @@ -27,7 +27,10 @@ int __parse_open_mode(const char *mode) crflags = O_CREAT | O_APPEND; break; case 'e': - eflag = O_CLOEXEC; + eflags |= O_CLOEXEC; + break; + case 'x': + eflags |= O_EXCL; break; case '+': rwflags = O_RDWR; @@ -35,5 +38,5 @@ int __parse_open_mode(const char *mode) } } - return rwflags | crflags | eflag; + return rwflags | crflags | eflags; } |