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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [mep/] [read.c] - Rev 268
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/* read.c -- read characters from file, with hook. * * Copyright (c) 2003 Red Hat, Inc. All rights reserved. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the BSD * License. This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY expressed or implied, including the implied * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy * of this license is available at http://www.opensource.org/licenses. Any * Red Hat trademarks that are incorporated in the source code or documentation * are not subject to the BSD License and may only be used or replicated with * the express permission of Red Hat, Inc. */ extern int __mep_read(int, unsigned char *, int); extern int _ioIn(void) __attribute__((weak)); int read(int fd, unsigned char *buf, int count) { if (fd == 0 && &_ioIn) { int c = 0; while (c < count) { int ch = _ioIn(); *buf++ = ch; if (ch == -1) break; c ++; } return c; } return __mep_read(fd, buf, count); }
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