diff options
Diffstat (limited to 'mit-pthreads/stdio/fgets.c')
-rw-r--r-- | mit-pthreads/stdio/fgets.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/mit-pthreads/stdio/fgets.c b/mit-pthreads/stdio/fgets.c deleted file mode 100644 index 5ee5c4d6608..00000000000 --- a/mit-pthreads/stdio/fgets.c +++ /dev/null @@ -1,110 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * Copyright (c) 1993, 1994 Chris Provenzano. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Chris Torek. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -/*static char *sccsid = "from: @(#)fgets.c 5.4 (Berkeley) 5/4/91";*/ -static char *rcsid = "$Id$"; -#endif /* LIBC_SCCS and not lint */ - -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -/* - * Read at most n-1 characters from the given file. - * Stop when a newline has been read, or the count runs out. - * Return first argument, or NULL if no characters were read. - */ -char * -fgets(buf, n, fp) - char *buf; - register size_t n; - register FILE *fp; -{ - register size_t len; - register char *s; - register unsigned char *p, *t; - - if (n < 2) /* sanity check */ - return (NULL); - - flockfile(fp); - s = buf; - n--; /* leave space for NUL */ - do { - /* - * If the buffer is empty, refill it. - */ - if ((len = fp->_r) <= 0) { - if (__srefill(fp)) { - /* EOF/error: stop with partial or no line */ - if (s == buf) - buf = NULL; - break; - } - len = fp->_r; - } - p = fp->_p; - - /* - * Scan through at most n bytes of the current buffer, - * looking for '\n'. If found, copy up to and including - * newline, and stop. Otherwise, copy entire chunk - * and loop. - */ - if (len > n) - len = n; - t = memchr((void *)p, '\n', len); - if (t != NULL) { - len = ++t - p; - fp->_r -= len; - fp->_p = t; - (void) memcpy((void *)s, (void *)p, len); - s += len; - break; - } - fp->_r -= len; - fp->_p += len; - (void) memcpy((void *)s, (void *)p, len); - s += len; - } while ((n -= len) != 0); - - *s = 0; - funlockfile(fp); - return (buf); -} |