From aad1a88c76f208d188fd061e3723bd637437e8d5 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 16 Mar 2001 22:47:14 +0000 Subject: Convert utility.c into libbb.a. It is now a whole pile of .c files. Clean up the resulting damage and fix up the makefile. -Erik --- libbb/full_write.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 libbb/full_write.c (limited to 'libbb/full_write.c') diff --git a/libbb/full_write.c b/libbb/full_write.c new file mode 100644 index 000000000..dc9937fa3 --- /dev/null +++ b/libbb/full_write.c @@ -0,0 +1,66 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routines. + * + * Copyright (C) tons of folks. Tracking down who wrote what + * isn't something I'm going to worry about... If you wrote something + * here, please feel free to acknowledge your work. + * + * 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 02111-1307 USA + * + * Based in part on code from sash, Copyright (c) 1999 by David I. Bell + * Permission has been granted to redistribute this code under the GPL. + * + */ + +#include +#include +#include "libbb.h" + +/* + * Write all of the supplied buffer out to a file. + * This does multiple writes as necessary. + * Returns the amount written, or -1 on an error. + */ +int full_write(int fd, const char *buf, int len) +{ + int cc; + int total; + + total = 0; + + while (len > 0) { + cc = write(fd, buf, len); + + if (cc < 0) + return -1; + + buf += cc; + total += cc; + len -= cc; + } + + return total; +} + + +/* END CODE */ +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ -- cgit v1.2.3