Line data    Source code

       1             : /* xasprintf.c
       2             :  *      Copyright (C) 2003, 2005 Free Software Foundation, Inc.
       3             :  *
       4             :  * This file is part of GnuPG.
       5             :  *
       6             :  * This file is free software; you can redistribute it and/or modify
       7             :  * it under the terms of either
       8             :  *
       9             :  *   - the GNU Lesser General Public License as published by the Free
      10             :  *     Software Foundation; either version 3 of the License, or (at
      11             :  *     your option) any later version.
      12             :  *
      13             :  * or
      14             :  *
      15             :  *   - the GNU General Public License as published by the Free
      16             :  *     Software Foundation; either version 2 of the License, or (at
      17             :  *     your option) any later version.
      18             :  *
      19             :  * or both in parallel, as here.
      20             :  *
      21             :  * This file is distributed in the hope that it will be useful,
      22             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      23             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      24             :  * GNU General Public License for more details.
      25             :  *
      26             :  * You should have received a copy of the GNU General Public License
      27             :  * along with this program; if not, see <https://www.gnu.org/licenses/>.
      28             :  */
      29             : 
      30             : #include <config.h>
      31             : #include <stdlib.h>
      32             : #include <errno.h>
      33             : 
      34             : #include "util.h"
      35             : 
      36             : /* Same as asprintf but return an allocated buffer suitable to be
      37             :    freed using xfree.  This function simply dies on memory failure,
      38             :    thus no extra check is required.
      39             : 
      40             :    FIXME: We should remove these functions in favor of gpgrt_bsprintf
      41             :    and a xgpgrt_bsprintf or rename them to xbsprintf and
      42             :    xtrybsprintf.  */
      43             : char *
      44         150 : xasprintf (const char *fmt, ...)
      45             : {
      46             :   va_list ap;
      47             :   char *buf;
      48             : 
      49         150 :   va_start (ap, fmt);
      50         150 :   if (gpgrt_vasprintf (&buf, fmt, ap) < 0)
      51           0 :     log_fatal ("estream_asprintf failed: %s\n", strerror (errno));
      52         150 :   va_end (ap);
      53         150 :   return buf;
      54             : }
      55             : 
      56             : /* Same as above but return NULL on memory failure.  */
      57             : char *
      58        2034 : xtryasprintf (const char *fmt, ...)
      59             : {
      60             :   int rc;
      61             :   va_list ap;
      62             :   char *buf;
      63             : 
      64        2034 :   va_start (ap, fmt);
      65        2034 :   rc = gpgrt_vasprintf (&buf, fmt, ap);
      66        2034 :   va_end (ap);
      67        2034 :   if (rc < 0)
      68           0 :     return NULL;
      69        2034 :   return buf;
      70             : }