Mercurial > gnulib
view lib/vdprintf.c @ 40160:5c7e0484c1e9
tmpfile: Add support for Android.
* m4/tmpfile.m4 (gl_FUNC_TMPFILE): Add a runtime test whether tmpfile()
works.
* lib/tmpfile.c (tmpfile): Add an alternative implementation for
Android.
* modules/tmpfile (Depends-on): Add 'stdbool'.
* doc/posix-functions/tmpfile.texi: Mention the Android bug.
* modules/argv-iter-tests (Depends-on): Add 'tmpfile'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 27 Jan 2019 22:03:14 +0100 |
parents | b06060465f09 |
children |
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/* Formatted output to a file descriptor. Copyright (C) 2009-2019 Free Software Foundation, Inc. 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 3 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, see <https://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif /* Specification. */ #include <stdio.h> #include <errno.h> #include <limits.h> #include <stdarg.h> #include <stdlib.h> #include "full-write.h" #include "vasnprintf.h" int vdprintf (int fd, const char *format, va_list args) { char buf[2000]; char *output; size_t len; size_t lenbuf = sizeof (buf); output = vasnprintf (buf, &lenbuf, format, args); len = lenbuf; if (!output) return -1; if (full_write (fd, output, len) < len) { if (output != buf) { int saved_errno = errno; free (output); errno = saved_errno; } return -1; } if (output != buf) free (output); if (len > INT_MAX) { errno = EOVERFLOW; return -1; } return len; }