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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [reent/] [renamer.c] - Rev 158
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/* Reentrant version of rename 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 #ifndef REENTRANT_SYSCALLS_PROVIDED /* We use the errno variable used by the system dependent layer. */ #undef errno extern int errno; /* FUNCTION <<_rename_r>>---Reentrant version of rename INDEX _rename_r ANSI_SYNOPSIS #include <reent.h> int _rename_r(struct _reent *<[ptr]>, const char *<[old]>, const char *<[new]>); TRAD_SYNOPSIS #include <reent.h> int _rename_r(<[ptr]>, <[old]>, <[new]>) struct _reent *<[ptr]>; char *<[old]>; char *<[new]>; DESCRIPTION This is a reentrant version of <<rename>>. It takes a pointer to the global data block, which holds <<errno>>. */ int _DEFUN (_rename_r, (ptr, old, new), struct _reent *ptr _AND _CONST char *old _AND _CONST char *new) { int ret = 0; #ifdef HAVE_RENAME errno = 0; if ((ret = _rename (old, new)) == -1 && errno != 0) ptr->_errno = errno; #else if (_link_r (ptr, old, new) == -1) return -1; if (_unlink_r (ptr, old) == -1) { /* ??? Should we unlink new? (rhetorical question) */ return -1; } #endif return ret; } #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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