mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-06-21 21:07:57 +02:00
Chet Ramey
152 lines
2.7 KiB
C
152 lines
2.7 KiB
C
/*
|
|
* malloc test program.
|
|
*
|
|
* to build:
|
|
* make x.o
|
|
* gcc -g -o x x.o xmalloc.o lib/malloc/libmalloc.a
|
|
*/
|
|
|
|
/* Copyright (C) 2002 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Bash, the Bourne Again SHell.
|
|
|
|
Bash is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Bash is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Bash. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
|
|
#define USING_BASH_MALLOC
|
|
#define HAVE_STRINGIZE
|
|
|
|
#include "xmalloc.h"
|
|
|
|
int interrupt_immediately = 0;
|
|
|
|
static char xp[64];
|
|
|
|
main(int c, char **v)
|
|
{
|
|
char *p;
|
|
|
|
malloc_set_register(1);
|
|
|
|
#if 0
|
|
free (xp); /* free unallocated memory */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xrealloc(xp, 128);
|
|
#endif
|
|
|
|
#if 0
|
|
/*
|
|
* request an amount so that the bucket changes when the malloc
|
|
* overhead is added to the requested size. This had better
|
|
* succeed.
|
|
*/
|
|
p = xmalloc(25);
|
|
p[0] = 'a';
|
|
p[1] = '\0';
|
|
free(p); /* sanity check on underflow checks in free() */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(28);
|
|
/* This works for little-endian machines like i386. */
|
|
p[-4] = '\7'; /* underflow */
|
|
p = xrealloc(p, 128); /* realloc corrupted memory */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(28);
|
|
/* This works for little-endian machines like i386. */
|
|
p[-4] = '\7'; /* underflow */
|
|
free(p);
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(2);
|
|
free(p);
|
|
free(p); /* duplicate free */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(32);
|
|
free(p);
|
|
p = xrealloc(p, 128); /* realloc freed mem */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(64);
|
|
p[64] = '\0';
|
|
p = xrealloc(p, 128); /* overflow */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(64);
|
|
p[64] = '\0';
|
|
free(p); /* overflow */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(64);
|
|
p[-1] = 'a';
|
|
free (p); /* underflow */
|
|
#endif
|
|
|
|
#if 0
|
|
p = xmalloc(64);
|
|
p[-1] = 'a';
|
|
p = xrealloc(p, 129); /* underflow */
|
|
#endif
|
|
|
|
mregister_dump_table();
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
fatal_error(const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
fprintf(stderr, "malloc-test: ");
|
|
va_start(args, format);
|
|
vfprintf(stderr, format, args);
|
|
fprintf(stderr, "\n");
|
|
va_end(args);
|
|
exit(2);
|
|
}
|
|
|
|
void
|
|
programming_error(const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
fprintf(stderr, "malloc-test: ");
|
|
va_start(args, format);
|
|
vfprintf(stderr, format, args);
|
|
fprintf(stderr, "\n");
|
|
va_end(args);
|
|
|
|
abort();
|
|
}
|
|
|
|
int
|
|
signal_is_trapped(int n)
|
|
{
|
|
return 0;
|
|
}
|