OpenSolaris Launch

1 files changed, 146 insertions, 0 deletions

diff --git a/usr/src/lib/libbc/libc/stdio/common/fputs.c b/usr/src/lib/libbc/libc/stdio/common/fputs.c
new file mode 100644
index 0000000000..a18ba04b12
--- /dev/null
+++ b/usr/src/lib/libbc/libc/stdio/common/fputs.c
@@ -0,0 +1,146 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1995, by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+/*      Copyright (c) 1984 AT&T */
+/*        All Rights Reserved   */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+
+/*LINTLIBRARY*/
+/*
+ * This version writes directly to the buffer rather than looping on putc.
+ * Ptr args aren't checked for NULL because the program would be a
+ * catastrophic mess anyway.  Better to abort than just to return NULL.
+ */
+#include <stdio.h>
+#include "stdiom.h"
+#include <errno.h>
+
+extern char *memccpy();
+static char *memnulccpy();
+
+int
+fputs(ptr, iop)
+char *ptr;
+register FILE *iop;
+{
+	register int ndone = 0, n;
+	register unsigned char *cptr, *bufend;
+	register char *p;
+	register char c;
+
+	if (_WRTCHK(iop)) {
+		iop->_flag |= _IOERR;
+#ifdef POSIX
+		errno = EBADF;
+#endif POSIX
+		return (EOF);
+	}
+	bufend = iop->_base + iop->_bufsiz;
+
+	if ((iop->_flag & _IONBF) == 0)  {
+		if (iop->_flag & _IOLBF) {
+			for ( ; ; ptr += n) {
+				while ((n = bufend - (cptr = iop->_ptr)) <= 0)  
+					/* full buf */
+					if (_xflsbuf(iop) == EOF)
+						return(EOF);
+				if ((p = memnulccpy((char *) cptr, ptr, '\n', n)) != NULL) {
+					/*
+					 * Copy terminated either because we
+					 * saw a newline or we saw a NUL (end
+					 * of string).
+					 */
+					c = *(p - 1);	/* last character moved */
+					if (c == '\0')
+						p--;	/* didn't write '\0' */
+					n = p - (char *) cptr;
+				}
+				iop->_cnt -= n;
+				iop->_ptr += n;
+				_BUFSYNC(iop);
+				ndone += n;
+				if (p != NULL) {
+					/*
+					 * We found either a newline or a NUL.
+					 * If we found a newline, flush the
+					 * buffer.
+					 * If we found a NUL, we're done.
+					 */
+					if (c == '\n') {
+						if (_xflsbuf(iop) == EOF)
+							return(EOF);
+					} else {
+						/* done */
+						return(ndone);
+					}
+		       		}
+			}
+		} else {
+			for ( ; ; ptr += n) {
+				while ((n = bufend - (cptr = iop->_ptr)) <= 0)  
+					/* full buf */
+					if (_xflsbuf(iop) == EOF)
+						return(EOF);
+				if ((p = memccpy((char *) cptr, ptr, '\0', n)) != NULL)
+					n = (p - (char *) cptr) - 1;
+				iop->_cnt -= n;
+				iop->_ptr += n;
+				_BUFSYNC(iop);
+				ndone += n;
+				if (p != NULL)  { 
+					/* done */
+		       			return(ndone);
+		       		}
+			}
+		}
+	}  else  {
+		/* write out to an unbuffered file */
+		return (write(iop->_file, ptr, strlen(ptr)));
+	}
+}
+
+/*
+ * Copy s2 to s1, stopping if character c or a NUL is copied.
+ * Copy no more than n bytes.
+ * Return a pointer to the byte after character c or NUL in the copy,
+ * or NULL if c or NUL is not found in the first n bytes.
+ */
+static char *
+memnulccpy(s1, s2, c, n)
+register char *s1, *s2;
+register int c, n;
+{
+	register int cmoved;
+
+	while (--n >= 0) {
+		cmoved = *s2++;
+		if ((*s1++ = cmoved) == '\0' || cmoved == c)
+			return (s1);
+	}
+	return (0);
+}