openat: don’t close (-1)
[gnulib.git] / lib / xstring-buffer-printf.c
blob9c703d4132d8e62f04435b2b4af851f7ba393c0c
1 /* Error-checking functions on a string buffer.
2 Copyright (C) 2024 Free Software Foundation, Inc.
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation, either version 3 of the
7 License, or (at your option) any later version.
9 This file is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2024. */
19 #include <config.h>
21 /* Specification. */
22 #include "string-buffer.h"
24 #include <errno.h>
26 #include "xalloc.h"
28 int
29 sb_xappendvf (struct string_buffer *buffer,
30 const char *formatstring, va_list list)
32 if (sb_appendvf (buffer, formatstring, list) < 0)
34 if (errno == ENOMEM)
35 xalloc_die ();
36 return -1;
38 return 0;
41 int
42 sb_xappendf (struct string_buffer *buffer, const char *formatstring, ...)
44 va_list args;
45 int ret;
47 va_start (args, formatstring);
48 ret = sb_xappendvf (buffer, formatstring, args);
49 va_end (args);
50 return ret;