1 /* grr_board_view - GTK+ widget for displaying an rr_board
3 * Copyright © 2003 Carl Worth
5 * Permission to use, copy, modify, distribute, and sell this software
6 * and its documentation for any purpose is hereby granted without
7 * fee, provided that the above copyright notice appear in all copies
8 * and that both that copyright notice and this permission notice
9 * appear in supporting documentation, and that the name of Carl Worth
10 * not be used in advertising or publicity pertaining to distribution
11 * of the software without specific, written prior permission.
12 * Carl Worth makes no representations about the suitability of this
13 * software for any purpose. It is provided "as is" without express
14 * or implied warranty.
16 * CARL WORTH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
18 * NO EVENT SHALL CARL WORTH BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
20 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
21 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 * Author: Carl Worth <carl@theworths.org>
34 grr_sprintf_alloc (char **str, const char *fmt, ...)
40 ret = grr_sprintf_alloc_va (str, fmt, ap);
46 /* ripped more or less straight out of PRINTF(3) */
48 grr_sprintf_alloc_va (char **str, const char *fmt, va_list ap)
51 /* Guess we need no more than 100 bytes. */
54 if ((*str = malloc (size)) == NULL)
57 /* Try to print in the allocated space. */
58 n = vsnprintf (*str, size, fmt, ap);
59 /* If that worked, return the size. */
60 if (n > -1 && n < size)
62 /* Else try again with more space. */
63 if (n > -1) /* glibc 2.1 */
64 size = n+1; /* precisely what is needed */
66 size *= 2; /* twice the old size */
67 new_str = realloc(*str, size);
68 if (new_str == NULL) {