2 * This file is part of DisOrder
3 * Copyright (C) 2004 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 #define NO_MEMORY_ALLOCATION
22 /* because used from log.c */
35 struct fixedstr_sink {
42 static int fixedstr_write(struct sink *f, const void *buffer, int nbytes) {
43 struct fixedstr_sink *s = (struct fixedstr_sink *)f;
46 if((size_t)s->nbytes < s->size) {
47 if((size_t)nbytes > s->size - s->nbytes)
48 count = s->size - s->nbytes;
51 memcpy(s->buffer + s->nbytes, buffer, count);
57 int byte_vsnprintf(char buffer[],
61 struct fixedstr_sink s;
64 /* We have to make a sink directly here, since we can't safely do memory
65 * allocation here (we might be formatting the error message from a failed
66 * memory allocation) */
67 s.s.write = fixedstr_write;
71 n = byte_vsinkprintf(&s.s, fmt, ap);
73 /* add the null terminator (even if the printf failed) */
75 if((size_t)m >= bufsize) m = bufsize - 1;
81 int byte_snprintf(char buffer[], size_t bufsize, const char *fmt, ...) {
86 n = byte_vsnprintf(buffer, bufsize, fmt, ap);