[d7d2da3] | 1 | /*
|
---|
| 2 | * tclCkalloc.c --
|
---|
| 3 | *
|
---|
| 4 | * Interface to malloc and free that provides support for debugging problems
|
---|
| 5 | * involving overwritten, double freeing memory and loss of memory.
|
---|
| 6 | *
|
---|
| 7 | * Copyright (c) 1991-1994 The Regents of the University of California.
|
---|
| 8 | * Copyright (c) 1994-1996 Sun Microsystems, Inc.
|
---|
| 9 | *
|
---|
| 10 | * See the file "license.terms" for information on usage and redistribution
|
---|
| 11 | * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
---|
| 12 | *
|
---|
| 13 | * This code contributed by Karl Lehenbauer and Mark Diekhans
|
---|
| 14 | *
|
---|
| 15 | * RCS: @(#) $Id: tclCkalloc.c,v 1.1 2008-06-04 13:58:04 demin Exp $
|
---|
| 16 | */
|
---|
| 17 |
|
---|
| 18 | #include "tclInt.h"
|
---|
| 19 | #include "tclPort.h"
|
---|
| 20 |
|
---|
| 21 | #define FALSE 0
|
---|
| 22 | #define TRUE 1
|
---|
| 23 |
|
---|
| 24 | /*
|
---|
| 25 | *----------------------------------------------------------------------
|
---|
| 26 | *
|
---|
| 27 | * Tcl_Alloc --
|
---|
[adeddd8] | 28 | * Interface to TclpAlloc.
|
---|
| 29 | * It does check that memory was actually allocated.
|
---|
[d7d2da3] | 30 | *
|
---|
| 31 | *----------------------------------------------------------------------
|
---|
| 32 | */
|
---|
| 33 |
|
---|
| 34 | char *
|
---|
| 35 | Tcl_Alloc (size)
|
---|
| 36 | unsigned int size;
|
---|
| 37 | {
|
---|
| 38 | char *result;
|
---|
| 39 |
|
---|
| 40 | result = TclpAlloc(size);
|
---|
| 41 | if (result == NULL)
|
---|
| 42 | panic("unable to alloc %d bytes", size);
|
---|
| 43 | return result;
|
---|
| 44 | }
|
---|
| 45 |
|
---|
| 46 | char *
|
---|
| 47 | Tcl_DbCkalloc(size, file, line)
|
---|
| 48 | unsigned int size;
|
---|
| 49 | char *file;
|
---|
| 50 | int line;
|
---|
| 51 | {
|
---|
| 52 | char *result;
|
---|
| 53 |
|
---|
| 54 | result = (char *) TclpAlloc(size);
|
---|
| 55 |
|
---|
| 56 | if (result == NULL) {
|
---|
| 57 | fflush(stdout);
|
---|
| 58 | panic("unable to alloc %d bytes, %s line %d", size, file,
|
---|
| 59 | line);
|
---|
| 60 | }
|
---|
| 61 | return result;
|
---|
| 62 | }
|
---|
| 63 |
|
---|
| 64 | |
---|
| 65 |
|
---|
| 66 | /*
|
---|
| 67 | *----------------------------------------------------------------------
|
---|
| 68 | *
|
---|
[adeddd8] | 69 | * Tcl_Realloc --
|
---|
| 70 | * Interface to TclpRealloc.
|
---|
[d7d2da3] | 71 | * It does check that memory was actually allocated.
|
---|
| 72 | *
|
---|
| 73 | *----------------------------------------------------------------------
|
---|
| 74 | */
|
---|
| 75 |
|
---|
| 76 | char *
|
---|
| 77 | Tcl_Realloc(ptr, size)
|
---|
| 78 | char *ptr;
|
---|
| 79 | unsigned int size;
|
---|
| 80 | {
|
---|
| 81 | char *result;
|
---|
| 82 |
|
---|
| 83 | result = TclpRealloc(ptr, size);
|
---|
| 84 | if (result == NULL)
|
---|
| 85 | panic("unable to realloc %d bytes", size);
|
---|
| 86 | return result;
|
---|
| 87 | }
|
---|
| 88 |
|
---|
| 89 | char *
|
---|
| 90 | Tcl_DbCkrealloc(ptr, size, file, line)
|
---|
| 91 | char *ptr;
|
---|
| 92 | unsigned int size;
|
---|
| 93 | char *file;
|
---|
| 94 | int line;
|
---|
| 95 | {
|
---|
| 96 | char *result;
|
---|
| 97 |
|
---|
| 98 | result = (char *) TclpRealloc(ptr, size);
|
---|
| 99 |
|
---|
| 100 | if (result == NULL) {
|
---|
| 101 | fflush(stdout);
|
---|
| 102 | panic("unable to realloc %d bytes, %s line %d", size, file,
|
---|
| 103 | line);
|
---|
| 104 | }
|
---|
| 105 | return result;
|
---|
| 106 | }
|
---|
| 107 | |
---|
| 108 |
|
---|
| 109 | /*
|
---|
| 110 | *----------------------------------------------------------------------
|
---|
[adeddd8] | 111 | *
|
---|
[d7d2da3] | 112 | * Tcl_Free --
|
---|
| 113 | * Interface to TclpFree.
|
---|
| 114 | *
|
---|
| 115 | *----------------------------------------------------------------------
|
---|
| 116 | */
|
---|
| 117 |
|
---|
| 118 | void
|
---|
| 119 | Tcl_Free (ptr)
|
---|
| 120 | char *ptr;
|
---|
| 121 | {
|
---|
| 122 | TclpFree(ptr);
|
---|
| 123 | }
|
---|