diff options
Diffstat (limited to 'newlib/libc/reent/fstat64r.c')
-rw-r--r-- | newlib/libc/reent/fstat64r.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/newlib/libc/reent/fstat64r.c b/newlib/libc/reent/fstat64r.c new file mode 100644 index 000000000..c74cf58d4 --- /dev/null +++ b/newlib/libc/reent/fstat64r.c @@ -0,0 +1,72 @@ +#ifdef __LARGE64_FILES + +/* Reentrant versions of fstat system call. This implementation just + calls the fstat system call. */ + +#include <reent.h> +#include <unistd.h> +#include <sys/stat.h> +#include <_syslist.h> + +/* Some targets provides their own versions of these functions. Those + targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ + +#ifdef _REENT_ONLY +#ifndef REENTRANT_SYSCALLS_PROVIDED +#define REENTRANT_SYSCALLS_PROVIDED +#endif +#endif + +#ifdef REENTRANT_SYSCALLS_PROVIDED + +int _dummy_fstat_syscalls = 1; + +#else + +/* We use the errno variable used by the system dependent layer. */ +#undef errno +extern int errno; + +/* +FUNCTION + <<_fstat64_r>>---Reentrant version of fstat64 + +INDEX + _fstat64_r + +ANSI_SYNOPSIS + #include <reent.h> + int _fstat64_r(struct _reent *<[ptr]>, + int <[fd]>, struct stat64 *<[pstat]>); + +TRAD_SYNOPSIS + #include <reent.h> + int _fstat64_r(<[ptr]>, <[fd]>, <[pstat]>) + struct _reent *<[ptr]>; + int <[fd]>; + struct stat *<[pstat]>; + +DESCRIPTION + This is a reentrant version of <<fstat64>>. It + takes a pointer to the global data block, which holds + <<errno>>. This function is only enabled on systems + that define __LARGE64_FILES. +*/ + +int +_fstat64_r (ptr, fd, pstat) + struct _reent *ptr; + int fd; + struct stat64 *pstat; +{ + int ret; + + errno = 0; + if ((ret = _fstat64 (fd, pstat)) == -1 && errno != 0) + ptr->_errno = errno; + return ret; +} + +#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */ + +#endif /* __LARGE64_FILES */ |