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dmalloc_fc_t.c
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dmalloc_fc_t.c
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/*
* Specific test program for dmalloc function checking code
*
* Copyright 2020 by Gray Watson
*
* This file is part of the dmalloc package.
*
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies, and that the name of Gray Watson not be used in advertising
* or publicity pertaining to distribution of the document or software
* without specific, written prior permission.
*
* Gray Watson makes no representations about the suitability of the
* software described herein for any purpose. It is provided "as is"
* without express or implied warranty.
*
* The author may be contacted via https://dmalloc.com/
*/
#if HAVE_STDIO_H
# include <stdio.h> /* for FILE */
#endif
#if HAVE_STDLIB_H
# include <stdlib.h> /* for exit... */
#endif
#if HAVE_STRING_H
# include <string.h> /* for string funcs */
#endif
#if HAVE_STRINGS_H
# include <strings.h> /* for bcopy funcs */
#endif
#if HAVE_UNISTD_H
# include <unistd.h> /* for getpid */
#endif
#define DMALLOC_FUNC_CHECK
#include "conf.h"
#if HAVE_TIME
# ifdef TIME_INCLUDE
# include TIME_INCLUDE
# endif
#endif
#include "dmalloc.h"
#include "dmalloc_argv.h"
#include "dmalloc_rand.h"
#include "debug_tok.h"
#include "error_val.h"
/* argument variables */
static char *env_string = NULL; /* env options */
static int silent_b = ARGV_FALSE; /* silent flag */
static unsigned int seed_random = 0; /* random seed */
static argv_t arg_list[] = {
{ 'e', "env-string", ARGV_CHAR_P, &env_string,
"string", "string of env commands to set" },
{ 's', "silent", ARGV_BOOL_INT, &silent_b,
NULL, "do not display messages" },
{ 'S', "seed-random", ARGV_U_INT, &seed_random,
"number", "seed for random function" },
{ ARGV_LAST }
};
/*
* Make sure that the last call did not fail.
*/
static int check_ok(const char *what) {
if (dmalloc_errno == DMALLOC_ERROR_NONE) {
return 1;
} else {
if (! silent_b) {
(void)printf(" ERROR: %s failed: %s\n",
what, dmalloc_strerror(dmalloc_errno));
}
dmalloc_message(" ERROR: %s failed: %s\n",
what, dmalloc_strerror(dmalloc_errno));
return 0;
}
}
/*
* Make sure that the last call failed.
*/
static int check_fail(const char *what, const int expected_errno) {
if (dmalloc_errno == DMALLOC_ERROR_NONE) {
if (! silent_b) {
(void)printf(" ERROR: %s succeeded but should have failed with %s\n",
what, dmalloc_strerror(expected_errno));
}
dmalloc_message(" ERROR: %s succeeded but should have failed with %s\n",
what, dmalloc_strerror(expected_errno));
return 0;
} else if (dmalloc_errno == expected_errno) {
return 1;
} else {
if (! silent_b) {
(void)printf(" ERROR: %s failed with %s, expected %s\n",
what, dmalloc_strerror(dmalloc_errno),
dmalloc_strerror(expected_errno));
}
dmalloc_message(" ERROR: %s failed with %s, expected %s\n",
what, dmalloc_strerror(dmalloc_errno),
dmalloc_strerror(expected_errno));
return 0;
}
}
#if HAVE_ATOI
static int do_atoi(void) {
void *pnt;
char *func_name = "atoi";
int val, ret;
pnt = malloc(5);
val = 1234;
strcpy(pnt, "1234");
ret = atoi(pnt);
if (! check_ok(func_name)) {
return 0;
}
if (ret != val) {
if (! silent_b) {
(void)printf(" ERROR: %s should have gotten %d but got %d\n",
func_name, val, ret);
}
return 0;
}
memmove(pnt, "12345", 5);
atoi(pnt);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_ATOL
static int do_atol(void) {
void *pnt;
char *func_name = "atol";
long val, ret;
pnt = malloc(5);
val = 1234L;
strcpy(pnt, "1234");
ret = atol(pnt);
if (! check_ok(func_name)) {
return 0;
}
if (ret != val) {
if (! silent_b) {
(void)printf(" ERROR: %s should have gotten %ld but got %ld\n",
func_name, val, ret);
}
return 0;
}
memmove(pnt, "12345", 5);
atol(pnt);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_BCMP
static int do_bcmp(void) {
char *pnt, *val;
char *func_name = "bcmp";
int ret;
pnt = malloc(5);
val = "12345";
memmove(pnt, val, strlen(val));
ret = bcmp(pnt, val, 5);
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have gotten 0 got %d\n",
func_name, ret);
}
return 0;
}
val = "123456";
memmove(pnt, val, strlen(val));
bcmp(pnt, val, 6);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_BCOPY
static int do_bcopy(void) {
char *pnt, *val;
char *func_name = "bcopy";
int ret;
pnt = malloc(5);
val = "12345";
bcopy(val, pnt, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, 5) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied the bytes\n", func_name);
}
return 0;
}
val = "123456";
bcopy(val, pnt, strlen(val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_BZERO
static int do_bzero(void) {
char *pnt;
char *func_name = "bzero";
char *zeros = "\000\000\000\000\000";
int size = 5, ret;
pnt = malloc(size);
strcpy(pnt, "foo");
if (memcmp(pnt, zeros, size) == 0) {
if (! silent_b) {
(void)printf(" ERROR: %s pnt should not have zeros initially\n",
func_name);
}
return 0;
}
bzero(pnt, size);
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, zeros, size) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s pnt should have zeros\n", func_name);
}
return 0;
}
bzero(pnt, size + 1);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_INDEX
static int do_index(void) {
char *pnt, *val, *loc;
char *func_name = "index";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
loc = index(pnt, 't');
if (! check_ok(func_name)) {
return 0;
}
if (*loc != 't') {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the t\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
index(pnt, 'u');
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_MEMCCPY
static int do_memccpy(void) {
char *pnt, *val, *loc;
char *func_name = "memccpy";
int ret;
pnt = malloc(5);
val = "footy";
loc = memccpy(pnt, val, 'z', strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (loc != 0L) {
if (! silent_b) {
(void)printf(" ERROR: %s pointer should have returned 0L\n",
func_name);
}
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied the string\n", func_name);
}
return 0;
}
val = "footies";
memccpy(pnt, val, 'z', strlen(val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_MEMCHR
static int do_memchr(void) {
char *pnt, *val, *loc;
char *func_name = "memchr";
int ret;
pnt = malloc(5);
val = "footy";
memmove(pnt, val, strlen(val));
loc = memchr(pnt, 't', strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (*loc != 't') {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the t\n", func_name);
}
return 0;
}
memchr(pnt, 'u', strlen(val) + 1);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_MEMCMP
static int do_memcmp(void) {
char *pnt, *val;
char *func_name = "memcmp";
int ret;
pnt = malloc(5);
val = "12345";
memmove(pnt, val, strlen(val));
ret = memcmp(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have gotten 0 got %d\n",
func_name, ret);
}
return 0;
}
val = "123456";
memmove(pnt, val, strlen(val));
memcmp(pnt, val, 6);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_MEMCPY
static int do_memcpy(void) {
char *pnt, *val;
char *func_name = "memcpy";
int ret;
pnt = malloc(5);
val = "12345";
memcpy(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied the bytes\n", func_name);
}
return 0;
}
val = "123456";
memcpy(pnt, val, strlen(val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_MEMMOVE
static int do_memmove(void) {
char *pnt, *val;
char *func_name = "memmove";
int ret;
pnt = malloc(5);
val = "12345";
memmove(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied the bytes\n", func_name);
}
return 0;
}
val = "123456";
memmove(pnt, val, strlen(val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_MEMSET
static int do_memset(void) {
char *pnt;
char *func_name = "memset";
char *zeros = "\000\000\000\000\000";
int size = 5, ret;
pnt = malloc(size);
strcpy(pnt, "foo");
if (memcmp(pnt, zeros, size) == 0) {
if (! silent_b) {
(void)printf(" ERROR: %s pnt should not have zeros initially\n",
func_name);
}
return 0;
}
memset(pnt, 0, size);
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, zeros, size) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s pnt should have zeros\n", func_name);
}
return 0;
}
memset(pnt, 0, size + 1);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_RINDEX
static int do_rindex(void) {
char *pnt, *val, *loc;
char *func_name = "rindex";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
loc = index(pnt, *val);
if (! check_ok(func_name)) {
return 0;
}
if (loc != pnt) {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the f\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
rindex(pnt, *val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRCASECMP
static int do_strcasecmp(void) {
char *pnt, *val, *big_val;
char *func_name = "strcasecmp";
int ret;
pnt = malloc(5);
val = "abcd";
big_val = "ABCD";
strcpy(pnt, big_val);
ret = strcasecmp(pnt, val);
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have gotten 0 got %d\n",
func_name, ret);
}
return 0;
}
val = "abcdef";
big_val = "ABCDEF";
memmove(pnt, big_val, strlen(big_val));
strcasecmp(pnt, val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRCAT
static int do_strcat(void) {
char *pnt, *val;
char *func_name = "strcat";
int ret;
pnt = malloc(5);
val = "ab";
strcpy(pnt, val);
strcat(pnt, val);
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied string in\n", func_name);
}
return 0;
}
if (memcmp(pnt + strlen(val), val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have appending string\n", func_name);
}
return 0;
}
strcat(pnt, val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRCHR
static int do_strchr(void) {
char *pnt, *val, *loc;
char *func_name = "strchr";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
loc = strchr(pnt, 't');
if (! check_ok(func_name)) {
return 0;
}
if (*loc != 't') {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the t\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
strchr(pnt, 'y');
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRCMP
static int do_strcmp(void) {
char *pnt, *val;
char *func_name = "strcmp";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
ret = strcmp(pnt, val);
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s strings should have been the same\n",
func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
strcmp(pnt, val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRCPY
static int do_strcpy(void) {
char *pnt, *val;
char *func_name = "strcpy";
int ret;
pnt = malloc(5);
val = "1234";
strcpy(pnt, val);
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied the bytes\n", func_name);
}
return 0;
}
val = "12345";
strcpy(pnt, val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRCSPN
static int do_strcspn(void) {
char *pnt, *val;
char *func_name = "strcspn";
int ret;
pnt = malloc(5);
val = "1234";
strcpy(pnt, val);
ret = strcspn(pnt, val);
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have found all chars\n", func_name);
}
return 0;
}
/* can't make this fail */
return 1;
}
#endif
#if HAVE_STRLEN
static int do_strlen(void) {
char *pnt, *val;
char *func_name = "strlen";
int ret;
pnt = malloc(5);
val = "1234";
strcpy(pnt, val);
ret = strlen(pnt);
if (! check_ok(func_name)) {
return 0;
}
if (ret != _dmalloc_strlen(__FILE__, __LINE__, val)) {
if (! silent_b) {
(void)printf(" ERROR: %s got improper string length\n", func_name);
}
return 0;
}
val = "12345";
memmove(pnt, val, strlen(val));
strlen(pnt);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRNCASECMP
static int do_strncasecmp(void) {
char *pnt, *val, *big_val;
char *func_name = "strncasecmp";
int ret;
pnt = malloc(5);
val = "abcde";
big_val = "ABCDE";
memmove(pnt, big_val, strlen(big_val));
ret = strncasecmp(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have gotten 0 got %d\n",
func_name, ret);
}
return 0;
}
big_val = "ABCDEF";
strncasecmp(pnt, big_val, strlen(big_val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRNCAT
static int do_strncat(void) {
char *pnt, *val;
char *func_name = "strncat";
int ret;
pnt = malloc(5);
val = "ab";
strcpy(pnt, val);
strncat(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied string in\n", func_name);
}
return 0;
}
if (memcmp(pnt + strlen(val), val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have appending string\n", func_name);
}
return 0;
}
strncat(pnt, val, strlen(val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRNCMP
static int do_strncmp(void) {
char *pnt, *val;
char *func_name = "strncmp";
int ret;
pnt = malloc(5);
val = "footy";
memmove(pnt, val, strlen(val));
ret = strncmp(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (ret != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s strings should have been the same\n",
func_name);
}
return 0;
}
strncmp(pnt, val, strlen(val) + 1);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRNCPY
static int do_strncpy(void) {
char *pnt, *val;
char *func_name = "strncpy";
int ret;
pnt = malloc(5);
val = "12345";
strncpy(pnt, val, strlen(val));
if (! check_ok(func_name)) {
return 0;
}
if (memcmp(pnt, val, strlen(val)) != 0) {
if (! silent_b) {
(void)printf(" ERROR: %s should have copied the bytes\n", func_name);
}
return 0;
}
val = "123456";
strncpy(pnt, val, strlen(val));
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRPBRK
static int do_strpbrk(void) {
char *pnt, *val, *loc;
char *func_name = "strpbrk";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
loc = strpbrk(pnt, "t");
if (! check_ok(func_name)) {
return 0;
}
if (*loc != 't') {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the t\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
strpbrk(pnt, "y");
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRRCHR
static int do_strrchr(void) {
char *pnt, *val, *loc;
char *func_name = "rindex";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
loc = strrchr(pnt, *val);
if (! check_ok(func_name)) {
return 0;
}
if (loc != pnt) {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the f\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
strrchr(pnt, *val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRSPN
static int do_strspn(void) {
char *pnt, *val;
char *func_name = "strspn";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
ret = strspn(pnt, val);
if (! check_ok(func_name)) {
return 0;
}
if (ret != strlen(val)) {
if (! silent_b) {
(void)printf(" ERROR: %s should have counted all chars\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
strspn(pnt, val);
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRSTR
static int do_strstr(void) {
char *pnt, *val, *loc;
char *func_name = "strstr";
int ret;
pnt = malloc(5);
val = "foot";
strcpy(pnt, val);
loc = strstr(pnt, "ot");
if (! check_ok(func_name)) {
return 0;
}
if (loc - pnt != 2) {
if (! silent_b) {
(void)printf(" ERROR: %s should have found the ot\n", func_name);
}
return 0;
}
val = "footy";
memmove(pnt, val, strlen(val));
strstr(pnt, "none");
ret = check_fail(func_name, DMALLOC_ERROR_WOULD_OVERWRITE);
free(pnt);
return ret;
}
#endif
#if HAVE_STRTOK
static int do_strtok(void) {
char *pnt, *val, *loc;