diff options
Diffstat (limited to 'lib/libc/stdio')
| -rw-r--r-- | lib/libc/stdio/_flock_stub.c | 12 | ||||
| -rw-r--r-- | lib/libc/stdio/local.h | 2 |
2 files changed, 10 insertions, 4 deletions
diff --git a/lib/libc/stdio/_flock_stub.c b/lib/libc/stdio/_flock_stub.c index 8abc8e3..1b79ce2 100644 --- a/lib/libc/stdio/_flock_stub.c +++ b/lib/libc/stdio/_flock_stub.c @@ -73,7 +73,9 @@ _flockfile(FILE *fp) { pthread_t curthread = _pthread_self(); - if (fp->_lock->fl_owner == curthread) + if (fp->_lock == NULL) { + } + else if (fp->_lock->fl_owner == curthread) fp->_lock->fl_count++; else { /* @@ -101,7 +103,9 @@ _ftrylockfile(FILE *fp) pthread_t curthread = _pthread_self(); int ret = 0; - if (fp->_lock->fl_owner == curthread) + if (fp->_lock == NULL) { + } + else if (fp->_lock->fl_owner == curthread) fp->_lock->fl_count++; /* * Make sure this mutex is treated as a private @@ -121,10 +125,12 @@ _funlockfile(FILE *fp) { pthread_t curthread = _pthread_self(); + if (fp->_lock == NULL) { + } /* * Check if this file is owned by the current thread: */ - if (fp->_lock->fl_owner == curthread) { + else if (fp->_lock->fl_owner == curthread) { /* * Check if this thread has locked the FILE * more than once: diff --git a/lib/libc/stdio/local.h b/lib/libc/stdio/local.h index 9e1cad4..2cf2637 100644 --- a/lib/libc/stdio/local.h +++ b/lib/libc/stdio/local.h @@ -143,6 +143,6 @@ struct __sFILEX { * orientation. If o < 0, the stream has byte-orientation. */ #define ORIENT(fp, o) do { \ - if ((fp)->_extra->orientation == 0) \ + if ((fp)->_extra != NULL && (fp)->_extra->orientation == 0) \ (fp)->_extra->orientation = (o); \ } while (0) |
