1 /* memory allocation routines with error checking.
2 Copyright 1989, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
4 This file is part of the libiberty library.
5 Libiberty is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
10 Libiberty is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with libiberty; see the file COPYING.LIB. If
17 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
24 #include "libiberty.h"
31 #define size_t unsigned long
32 #define ptrdiff_t long
39 /* For systems with larger pointers than ints, these must be declared. */
40 PTR malloc
PARAMS ((size_t));
41 PTR realloc
PARAMS ((PTR
, size_t));
42 PTR calloc
PARAMS ((size_t, size_t));
43 PTR sbrk
PARAMS ((ptrdiff_t));
46 /* The program name if set. */
47 static const char *name
= "";
50 /* The initial sbrk, set when the program name is set. Not used for win32
51 ports other than cygwin32. */
52 static char *first_break
= NULL
;
53 #endif /* HAVE_SBRK */
56 xmalloc_set_program_name (s
)
61 /* Win32 ports other than cygwin32 don't have brk() */
62 if (first_break
== NULL
)
63 first_break
= (char *) sbrk (0);
64 #endif /* HAVE_SBRK */
72 extern char **environ
;
75 if (first_break
!= NULL
)
76 allocated
= (char *) sbrk (0) - first_break
;
78 allocated
= (char *) sbrk (0) - (char *) &environ
;
80 "\n%s%sCannot allocate %lu bytes after allocating %lu bytes\n",
81 name
, *name
? ": " : "",
82 (unsigned long) size
, (unsigned long) allocated
);
85 "\n%s%sCannot allocate %lu bytes\n",
86 name
, *name
? ": " : "",
87 (unsigned long) size
);
88 #endif /* HAVE_SBRK */
100 newmem
= malloc (size
);
102 xmalloc_failed (size
);
108 xcalloc (nelem
, elsize
)
109 size_t nelem
, elsize
;
113 if (nelem
== 0 || elsize
== 0)
116 newmem
= calloc (nelem
, elsize
);
118 xmalloc_failed (nelem
* elsize
);
124 xrealloc (oldmem
, size
)
133 newmem
= malloc (size
);
135 newmem
= realloc (oldmem
, size
);
137 xmalloc_failed (size
);
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