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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [reent/] [unlinkr.c] - Rev 179
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/* Reentrant versions of file system calls. These implementations just call the usual system calls. */ #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 #ifndef REENTRANT_SYSCALLS_PROVIDED /* We use the errno variable used by the system dependent layer. */ #undef errno extern int errno; /* FUNCTION <<_unlink_r>>---Reentrant version of unlink INDEX _unlink_r ANSI_SYNOPSIS #include <reent.h> int _unlink_r(struct _reent *<[ptr]>, const char *<[file]>); TRAD_SYNOPSIS #include <reent.h> int _unlink_r(<[ptr]>, <[file]>) struct _reent *<[ptr]>; char *<[file]>; DESCRIPTION This is a reentrant version of <<unlink>>. It takes a pointer to the global data block, which holds <<errno>>. */ int _DEFUN (_unlink_r, (ptr, file), struct _reent *ptr _AND _CONST char *file) { int ret; errno = 0; if ((ret = _unlink (file)) == -1 && errno != 0) ptr->_errno = errno; return ret; } #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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