X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;ds=sidebyside;f=fd.c;h=f0e849d1a71509d7a22a994ea77292c929bfd44f;hb=f13b443e370c96812ab542372f2d956b1bbb2596;hp=30623d1b321b8dfed84b07c33034fc20e05dd351;hpb=57a8d22ad5e81dc815390685ae5f83c0f16156e7;p=paraslash.git diff --git a/fd.c b/fd.c index 30623d1b..f0e849d1 100644 --- a/fd.c +++ b/fd.c @@ -1,19 +1,7 @@ /* * Copyright (C) 2006-2007 Andre Noll * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file fd.c helper functions for file descriptor handling */ @@ -63,9 +51,11 @@ int para_select(int n, fd_set *readfds, fd_set *writefds, ret = select(n, readfds, writefds, NULL, timeout_tv); err = errno; } while (ret < 0 && err == EINTR); - if (ret < 0) + if (ret < 0) { PARA_CRIT_LOG("select error: %s, max_fileno: %d\n", strerror(err), n); + ret = -E_SELECT; + } return ret; } @@ -118,28 +108,6 @@ void para_fd_set(int fd, fd_set *fds, int *max_fileno) *max_fileno = PARA_MAX(*max_fileno, fd); } -/** - * paraslash's wrapper for fread(3) - * - * \param dest destination pointer - * \param nbytes size of one element - * \param nmemb number of elements to write - * \param stream the input stream - * - * \return negative on errors, zero on end of file, and the number of bytes - * (not elements) read on success. - * - * \sa fread(3) - */ -__must_check int para_fread(void *dest, size_t nbytes, size_t nmemb, FILE *stream) -{ - size_t res = fread(dest, nbytes, nmemb, stream); - if (res == nmemb) - return nbytes * nmemb; - if (feof(stream)) - return 0; - return -E_FREAD; -} /** * paraslash's wrapper for fgets(3) * \param line pointer to the buffer to store the line @@ -167,23 +135,6 @@ again: goto again; } -/** - * paralash's wrapper for fseek(3) - * - * \param stream stream to seek - * \param offset added to the position specified by whence - * \param whence \p SEEK_SET, \p SEEK_CUR, or \p SEEK_END - * - * \return positive on success, -E_FSEEK on errors. - * - * \sa fseek(3) - */ -int para_fseek(FILE *stream, long offset, int whence) -{ - int ret = fseek(stream, offset, whence); - return ret < 0? -E_FSEEK : 1; -} - /** * *paraslash's wrapper for mmap * @@ -202,7 +153,9 @@ void *para_mmap(size_t length, int prot, int flags, int fd, off_t offset) void *ret = mmap(NULL, length, prot, flags, fd, offset); if (ret != MAP_FAILED) return ret; - PARA_EMERG_LOG("mmap failed: %s", strerror(errno)); + PARA_EMERG_LOG("mmap failed: %s\n", strerror(errno)); + PARA_EMERG_LOG("length: %zu, flags: %d, fd: %d, offset: %zu\n", + length, flags, fd, (size_t)offset); exit(EXIT_FAILURE); }