diff options
author | Eric Andersen <andersen@codepoet.org> | 2003-10-09 12:35:42 +0400 |
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committer | Eric Andersen <andersen@codepoet.org> | 2003-10-09 12:35:42 +0400 |
commit | dae099b2f96ba46bfdd6b598b06dc88713b2d0e8 (patch) | |
tree | 0490983c989cc1fac5a5e5f34eb076d17c594e75 /libbb/safe_write.c | |
parent | 638da75f4b82e3156d30705412b545d172870fc0 (diff) |
We did not have a safe_write, which is the analog to safe_read. Convert
full_write to use safe_write internally, which is needed to guarantee proper
behavior, i.e. when writing to a pipe.
Diffstat (limited to 'libbb/safe_write.c')
-rw-r--r-- | libbb/safe_write.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libbb/safe_write.c b/libbb/safe_write.c new file mode 100644 index 000000000..dd35f35ae --- /dev/null +++ b/libbb/safe_write.c @@ -0,0 +1,48 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routines. + * + * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org> + * + * 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 + */ + +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include "libbb.h" + + + +ssize_t safe_write(int fd, void *buf, size_t count) +{ + ssize_t n; + + do { + n = write(fd, buf, count); + } while (n < 0 && errno == EINTR); + + return n; +} + + +/* END CODE */ +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |