| 1 | /* Implement the xvasprintf function. |
| 2 | Copyright (C) 2014-2021 Free Software Foundation, Inc. |
| 3 | Contributed by Manuel Lopez-Ibanez. |
| 4 | |
| 5 | This file is part of the libiberty library. |
| 6 | Libiberty is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Library General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2 of the License, or (at your option) any later version. |
| 10 | |
| 11 | Libiberty is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Library General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Library General Public |
| 17 | License along with libiberty; see the file COPYING.LIB. If not, write |
| 18 | to the Free Software Foundation, Inc., 51 Franklin Street - Fifth |
| 19 | Floor, Boston, MA 02110-1301, USA. */ |
| 20 | |
| 21 | #ifdef HAVE_CONFIG_H |
| 22 | #include "config.h" |
| 23 | #endif |
| 24 | #include <ansidecl.h> |
| 25 | #include <stdarg.h> |
| 26 | #if !defined (va_copy) && defined (__va_copy) |
| 27 | # define va_copy(d,s) __va_copy((d),(s)) |
| 28 | #endif |
| 29 | #include <stdio.h> |
| 30 | #ifdef HAVE_STRING_H |
| 31 | #include <string.h> |
| 32 | #endif |
| 33 | #include "libiberty.h" |
| 34 | #include "vprintf-support.h" |
| 35 | |
| 36 | /* |
| 37 | |
| 38 | @deftypefn Replacement char* xvasprintf (const char *@var{format}, va_list @var{args}) |
| 39 | |
| 40 | Print to allocated string without fail. If @code{xvasprintf} fails, |
| 41 | this will print a message to @code{stderr} (using the name set by |
| 42 | @code{xmalloc_set_program_name}, if any) and then call @code{xexit}. |
| 43 | |
| 44 | @end deftypefn |
| 45 | |
| 46 | */ |
| 47 | |
| 48 | char * |
| 49 | xvasprintf (const char *format, |
| 50 | #if defined (_BSD_VA_LIST_) && defined (__FreeBSD__) |
| 51 | _BSD_VA_LIST_ args) |
| 52 | #else |
| 53 | va_list args) |
| 54 | #endif |
| 55 | { |
| 56 | char *result; |
| 57 | int total_width = libiberty_vprintf_buffer_size (format, args); |
| 58 | result = (char *) xmalloc (total_width); |
| 59 | vsprintf (result, format, args); |
| 60 | return result; |
| 61 | } |