URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [reent/] [openr.c] - Rev 273
Go to most recent revision | Compare with Previous | Blame | View Log
/* Reentrant versions of open system call. */ #include <reent.h> #include <unistd.h> #include <fcntl.h> #include <_syslist.h> /* Some targets provides their own versions of this functions. Those targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ #ifdef _REENT_ONLY #ifndef REENTRANT_SYSCALLS_PROVIDED #define REENTRANT_SYSCALLS_PROVIDED #endif #endif #ifndef REENTRANT_SYSCALLS_PROVIDED /* We use the errno variable used by the system dependent layer. */ #undef errno extern int errno; /* FUNCTION <<_open_r>>---Reentrant version of open INDEX _open_r ANSI_SYNOPSIS #include <reent.h> int _open_r(struct _reent *<[ptr]>, const char *<[file]>, int <[flags]>, int <[mode]>); TRAD_SYNOPSIS #include <reent.h> int _open_r(<[ptr]>, <[file]>, <[flags]>, <[mode]>) struct _reent *<[ptr]>; char *<[file]>; int <[flags]>; int <[mode]>; DESCRIPTION This is a reentrant version of <<open>>. It takes a pointer to the global data block, which holds <<errno>>. */ int _DEFUN (_open_r, (ptr, file, flags, mode), struct _reent *ptr _AND _CONST char *file _AND int flags _AND int mode) { int ret; errno = 0; if ((ret = _open (file, flags, mode)) == -1 && errno != 0) ptr->_errno = errno; return ret; } #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
Go to most recent revision | Compare with Previous | Blame | View Log