subversion/libsvn_subr/pool.c

   1 /* pool.c:  pool wrappers for Subversion
   2  *
   3  * ====================================================================
   4  * Copyright (c) 2000-2007 CollabNet.  All rights reserved.
   5  *
   6  * This software is licensed as described in the file COPYING, which
   7  * you should have received as part of this distribution.  The terms
   8  * are also available at http://subversion.tigris.org/license-1.html.
   9  * If newer versions of this license are posted there, you may use a
  10  * newer version instead, at your option.
  11  *
  12  * This software consists of voluntary contributions made by many
  13  * individuals.  For exact contribution history, see the revision
  14  * history and logs, available at http://subversion.tigris.org/.
  15  * ====================================================================
  16  */
  17
  18
  19 \f
  20 #include <stdarg.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <assert.h>
  24
  25 #include <apr_general.h>
  26 #include <apr_pools.h>
  27
  28 #include "svn_pools.h"
  29
  30
  31 #if APR_POOL_DEBUG
  32 /* file_line for the non-debug case. */
  33 static const char SVN_FILE_LINE_UNDEFINED[] = "svn:<undefined>";
  34 #endif /* APR_POOL_DEBUG */
  35
  36
  37 \f
  38 /*-----------------------------------------------------------------*/
  39
  40
  41 /* Pool allocation handler which just aborts, since we aren't generally
  42    prepared to deal with out-of-memory errors.
  43  */
  44 static int
  45 abort_on_pool_failure(int retcode)
  46 {
  47   /* Don't translate this string! It requires memory allocation to do so!
  48      And we don't have any of it... */
  49   printf("Out of memory - terminating application.\n");
  50   abort();
  51   return -1; /* prevent compiler warnings */
  52 }
  53
  54
  55 #if APR_POOL_DEBUG
  56 #undef svn_pool_create_ex
  57 #endif /* APR_POOL_DEBUG */
  58
  59 #if !APR_POOL_DEBUG
  60
  61 apr_pool_t *
  62 svn_pool_create_ex(apr_pool_t *parent_pool, apr_allocator_t *allocator)
  63 {
  64   apr_pool_t *pool;
  65   apr_pool_create_ex(&pool, parent_pool, abort_on_pool_failure, allocator);
  66   return pool;
  67 }
  68
  69 /* Wrapper that ensures binary compatibility */
  70 apr_pool_t *
  71 svn_pool_create_ex_debug(apr_pool_t *pool, apr_allocator_t *allocator,
  72                          const char *file_line)
  73 {
  74   return svn_pool_create_ex(pool, allocator);
  75 }
  76
  77 #else /* APR_POOL_DEBUG */
  78
  79 apr_pool_t *
  80 svn_pool_create_ex_debug(apr_pool_t *parent_pool, apr_allocator_t *allocator,
  81                          const char *file_line)
  82 {
  83   apr_pool_t *pool;
  84   apr_pool_create_ex_debug(&pool, parent_pool, abort_on_pool_failure,
  85                            allocator, file_line);
  86   return pool;
  87 }
  88
  89 /* Wrapper that ensures binary compatibility */
  90 apr_pool_t *
  91 svn_pool_create_ex(apr_pool_t *pool, apr_allocator_t *allocator)
  92 {
  93   return svn_pool_create_ex_debug(pool, allocator, SVN_FILE_LINE_UNDEFINED);
  94 }
  95
  96 #endif /* APR_POOL_DEBUG */