diff options
author | Christopher Faylor <me@cgf.cx> | 2000-02-17 22:39:52 +0300 |
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committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 22:39:52 +0300 |
commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/reent/fstatr.c | |
parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/reent/fstatr.c')
-rw-r--r-- | newlib/libc/reent/fstatr.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/newlib/libc/reent/fstatr.c b/newlib/libc/reent/fstatr.c new file mode 100644 index 000000000..df132d799 --- /dev/null +++ b/newlib/libc/reent/fstatr.c @@ -0,0 +1,66 @@ +/* Reentrant versions of fstat system call. This implementation just + calls the fstat system call. */ + +#include <reent.h> +#include <unistd.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 + <<_fstat_r>>---Reentrant version of fstat + +INDEX + _fstat_r + +ANSI_SYNOPSIS + #include <reent.h> + int _fstat_r(struct _reent *<[ptr]>, + int <[fd]>, struct stat *<[pstat]>); + +TRAD_SYNOPSIS + #include <reent.h> + int _fstat_r(<[ptr]>, <[fd]>, <[pstat]>) + struct _reent *<[ptr]>; + int <[fd]>; + struct stat *<[pstat]>; + +DESCRIPTION + This is a reentrant version of <<fstat>>. It + takes a pointer to the global data block, which holds + <<errno>>. +*/ + +int +_fstat_r (ptr, fd, pstat) + struct _reent *ptr; + int fd; + struct stat *pstat; +{ + int ret; + + errno = 0; + if ((ret = _fstat (fd, pstat)) == -1 && errno != 0) + ptr->_errno = errno; + return ret; +} + +#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */ |