/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> * * GNU Library General Public License (LGPL) version 2 or later. * * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. */ #include "_stdio.h" #ifdef __DO_LARGEFILE # ifndef __UCLIBC_HAS_LFS__ # error large file support is not enabled! # endif # define FTELL __ftello64 # define OFFSET_TYPE __off64_t #else # define FTELL ftell # define OFFSET_TYPE long int #endif OFFSET_TYPE FTELL(register FILE *stream) { #if defined(__UCLIBC_HAS_LFS__) && !defined(__DO_LARGEFILE) __offmax_t pos = __ftello64(stream); if ((sizeof(long) >= sizeof(__offmax_t)) || (((long) pos) == pos)) { return ((long) pos); } else { __set_errno(EOVERFLOW); return -1; } #else __offmax_t pos = 0; __STDIO_AUTO_THREADLOCK_VAR; __STDIO_AUTO_THREADLOCK(stream); __STDIO_STREAM_VALIDATE(stream); if ((__SEEK(stream, &pos, SEEK_CUR) < 0) || (__stdio_adjust_position(stream, &pos) < 0)) { pos = -1; } __STDIO_AUTO_THREADUNLOCK(stream); return pos; #endif } #ifdef __DO_LARGEFILE weak_alias(__ftello64,ftello64); #else weak_alias(ftell,ftello); #endif