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test-str.c
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test-str.c
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// SPDX-License-Identifier: BSD-2-Clause-Patent
/*
* test-str.c - test our string functions.
*/
#pragma GCC diagnostic ignored "-Wunused-variable"
#pragma GCC diagnostic error "-Wnonnull"
#pragma GCC diagnostic error "-Wunused-function"
#pragma GCC diagnostic warning "-Wcpp"
#ifndef SHIM_UNIT_TEST
#define SHIM_UNIT_TEST
#endif
#include "shim.h"
#include <stdio.h>
static int
test_strlen(void)
{
const char s1[] = "abcd";
const char s2[] = "";
assert_equal_return(shim_strlen(s1), 4, -1, "got %d expected %d\n");
assert_equal_return(strlen(s1), 4, -1, "got %d expected %d\n");
assert_equal_return(shim_strlen(s2), 0, -1, "got %d expected %d\n");
assert_equal_return(strlen(s2), 0, -1, "got %d expected %d\n");
return 0;
}
static int
test_strnlen(void)
{
const char s1[] = "abcd";
const char s2[] = "";
assert_equal_return(shim_strnlen(s1, 0), 0, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s1, 0), 0, -1, "got %d expected %d\n");
assert_equal_return(shim_strnlen(s1, 1), 1, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s1, 1), 1, -1, "got %d expected %d\n");
assert_equal_return(shim_strnlen(s1, 3), 3, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s1, 3), 3, -1, "got %d expected %d\n");
assert_equal_return(shim_strnlen(s1, 4), 4, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s1, 4), 4, -1, "got %d expected %d\n");
assert_equal_return(shim_strnlen(s1, 5), 4, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s1, 5), 4, -1, "got %d expected %d\n");
assert_equal_return(shim_strnlen(s2, 0), 0, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s2, 0), 0, -1, "got %d expected %d\n");
assert_equal_return(shim_strnlen(s2, 1), 0, -1, "got %d expected %d\n");
assert_equal_return(strnlen(s2, 1), 0, -1, "got %d expected %d\n");
return 0;
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshadow"
/*
* these are constants so that the failures are readable if you get
* it wrong.
*/
#define s0 "sbat,"
#define s0sz 6
#define s0len 5
#define s1 "sbat,1,2021030218"
#define s1sz 18
#define s1len 17
#define s2 "sbat,1,20210302"
#define s2sz 16
#define s2len 15
#define s3 "sbat,1,20210303"
#define s3sz 16
#define s3len 15
#define s4 "sbat\314\234\014,"
#define s4sz 9
#define s4len 8
/*
* same as s4 but with a UTF8 encoding error; one bit is cleared.
*/
#define s5 "sbat\314\034\014,"
#define s5sz 9
#define s5len 8
#define test_strcmp_helper(fn, invert_sign_errors, invert_encoding_errors) \
({ \
printf("testing %s\n", #fn); \
int status_ = 0, rc_; \
\
rc_ = assert_zero_as_expr(fn(s0, s0), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s0, s1), -1, "\n"); \
else \
rc_ = assert_negative_as_expr(fn(s0, s1), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_positive_as_expr(fn(s1, s0), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
rc_ = assert_positive_as_expr(fn(s1, s2), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s1), -1, "\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s1), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s3), -1, "\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s3), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_positive_as_expr(fn(s3, s2), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_encoding_errors) \
rc_ = assert_negative_as_expr(fn(s4, s5), -1, "\n"); \
else \
rc_ = assert_positive_as_expr(fn(s4, s5), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (status_ < 0) \
printf("%s failed\n", #fn); \
status_; \
})
static int
test_strcmp(void)
{
int status = 0;
int rc;
/*
* shim's strcmp
*/
rc = test_strcmp_helper(shim_strcmp, false, false);
status = MIN(rc, status);
/*
* libc's strcmp
*/
rc = test_strcmp_helper(strcmp, false, false);
status = MIN(rc, status);
return status;
}
#undef s0
#undef s0sz
#undef s0len
#undef s1
#undef s1sz
#undef s1len
#undef s2
#undef s2sz
#undef s2len
#undef s3
#undef s3sz
#undef s3len
#undef s4
#undef s4sz
#undef s4len
#undef s5
#undef s5sz
#undef s5len
/*
* these are constants so that the failures are readable if you get
* it wrong.
*/
#define s0 "sbAt,"
#define s0sz 6
#define s0len 5
#define s1 "sbaT,1,2021030218"
#define s1sz 18
#define s1len 17
#define s2 "sbAt,1,20210302"
#define s2sz 16
#define s2len 15
#define s3 "sbaT,1,20210303"
#define s3sz 16
#define s3len 15
#define s4 "sbat\314\234\014,"
#define s4sz 9
#define s4len 8
/*
* same as s4 but with a UTF8 encoding error; one bit is cleared.
*/
#define s5 "sbat\314\034\014,"
#define s5sz 9
#define s5len 8
#define test_strcasecmp_helper(fn, invert_sign_errors, invert_encoding_errors) \
({ \
printf("testing %s\n", #fn); \
int status_ = 0, rc_; \
\
rc_ = assert_zero_as_expr(fn(s0, s0), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s0, s1), -1, "\n"); \
else \
rc_ = assert_negative_as_expr(fn(s0, s1), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_positive_as_expr(fn(s1, s0), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
rc_ = assert_positive_as_expr(fn(s1, s2), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s1), -1, "\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s1), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s3), -1, "\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s3), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_positive_as_expr(fn(s3, s2), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_encoding_errors) \
rc_ = assert_negative_as_expr(fn(s4, s5), -1, "\n"); \
else \
rc_ = assert_positive_as_expr(fn(s4, s5), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (status_ < 0) \
printf("%s failed\n", #fn); \
status_; \
})
static int
test_strcasecmp(void)
{
int status = 0;
int rc;
/*
* shim's strcasecmp
*/
rc = test_strcasecmp_helper(shim_strcasecmp, false, false);
status = MIN(rc, status);
/*
* libc's strcasecmp
*/
rc = test_strcasecmp_helper(strcasecmp, false, false);
status = MIN(rc, status);
return status;
}
#undef s0
#undef s0sz
#undef s0len
#undef s1
#undef s1sz
#undef s1len
#undef s2
#undef s2sz
#undef s2len
#undef s3
#undef s3sz
#undef s3len
#undef s4
#undef s4sz
#undef s4len
#undef s5
#undef s5sz
#undef s5len
/*
* these are constants so that the failures are readable if you get
* it wrong.
*/
#define s0 "sbAt,"
#define s0sz 6
#define s0len 5
#define s1 "sbaT,1,2021030218"
#define s1sz 18
#define s1len 17
#define s2 "sbAt,1,20210302"
#define s2sz 16
#define s2len 15
#define s3 "sbaT,1,20210303"
#define s3sz 16
#define s3len 15
#define s4 "sbat\314\234\014,"
#define s4sz 9
#define s4len 8
/*
* same as s4 but with a UTF8 encoding error; one bit is cleared.
*/
#define s5 "sbat\314\034\014,"
#define s5sz 9
#define s5len 8
#define test_strncasecmp_helper(fn, test_cmp_magnitude, invert_sign_errors, \
invert_encoding_errors) \
({ \
printf("testing %s\n", #fn); \
int status_ = 0, rc_; \
\
rc_ = assert_zero_as_expr(fn(s0, s0, s0len), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_zero_as_expr(fn(s0, s0, s0sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
rc_ = assert_zero_as_expr(fn(s0, s1, s0len), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s0, s1, s0sz), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s0, s1, s0sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s0, s1, s0sz), \
s0[s0len] - s1[s0len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
rc_ = assert_positive_as_expr(fn(s1, s0, s0sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s1, s0, s0sz), \
s1[s0len] - s0[s0len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
\
rc_ = assert_positive_as_expr(fn(s1, s2, s1sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s1, s2, s2sz), \
s1[s2len] - s2[s2len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
rc_ = assert_positive_as_expr(fn(s1, s2, s1len), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr( \
fn(s1, s2, s2len), \
s1[s2len - 1] - s2[s2len - 1], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s1, s1sz), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s1, s1sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s2, s1, s1sz), \
s2[s2len] - s1[s2len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
\
rc_ = assert_zero_as_expr(fn(s1, s2, s2len), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_positive_as_expr(fn(s1, s2, s2sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s1, s2, s2sz), \
s1[s2len] - s2[s2len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
\
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s3, s2sz), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s3, s2sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_equal_as_expr(fn(s2, s3, s2sz), \
s2[s2len - 1] - s3[s2len - 1], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_equal_as_expr(fn(s2, s3, s2len), \
s2[s2len - 1] - s3[s2len - 1], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s3, s2len), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s3, s2len), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_zero_as_expr(fn(s2, s3, s2len - 1), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_false_as_expr(fn(s1, s2, s2len), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_encoding_errors) \
rc_ = assert_negative_as_expr(fn(s4, s5, s4sz), -1, \
"\n"); \
else \
rc_ = assert_positive_as_expr(fn(s4, s5, s4sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
\
if (status_ < 0) \
printf("%s failed\n", #fn); \
status_; \
})
static int
test_strncasecmp(void)
{
int status = 0;
int rc;
/*
* shim's strncasecmp
*/
rc = test_strncasecmp_helper(shim_strncasecmp, true, false, false);
status = MIN(rc, status);
/*
* libc's strncasecmp
*/
rc = test_strncasecmp_helper(strncasecmp, false, false, false);
status = MIN(rc, status);
return status;
}
#undef s0
#undef s0sz
#undef s0len
#undef s1
#undef s1sz
#undef s1len
#undef s2
#undef s2sz
#undef s2len
#undef s3
#undef s3sz
#undef s3len
#undef s4
#undef s4sz
#undef s4len
#undef s5
#undef s5sz
#undef s5len
/*
* copy-pasta from gnu-efi
*/
static inline UINTN
gnuefi_strncmp (
IN CONST CHAR8 *s1,
IN CONST CHAR8 *s2,
IN UINTN len
)
{
while (*s1 && len) {
if (*s1 != *s2) {
break;
}
s1 += 1;
s2 += 1;
len -= 1;
}
return len ? *s1 - *s2 : 0;
}
/*
* This is still broken, and fails the test case as written on arm.
* We no longer use this, so we do not strictly need to run it.
*/
#if !defined(__arm__) && !defined(__aarch64__)
static inline INTN
gnuefi_signed_strncmp (
IN CONST CHAR8 *s1,
IN CONST CHAR8 *s2,
IN UINTN len
)
{
while (*s1 && len) {
if (*s1 != *s2) {
break;
}
s1 += 1;
s2 += 1;
len -= 1;
}
return len ? *s1 - *s2 : 0;
}
#endif
static inline INTN
gnuefi_good_strncmp (
IN CONST CHAR8 *s1p,
IN CONST CHAR8 *s2p,
IN UINTN len
)
{
CONST UINT8 *s1 = (CONST UINT8 *)s1p;
CONST UINT8 *s2 = (CONST UINT8 *)s2p;
while (*s1 && len) {
if (*s1 != *s2) {
break;
}
s1 += 1;
s2 += 1;
len -= 1;
}
return len ? *s1 - *s2 : 0;
}
/*
* these are constants so that the failures are readable if you get
* it wrong.
*/
#define s0 "sbat,"
#define s0sz 6
#define s0len 5
#define s1 "sbat,1,2021030218"
#define s1sz 18
#define s1len 17
#define s2 "sbat,1,20210302"
#define s2sz 16
#define s2len 15
#define s3 "sbat,1,20210303"
#define s3sz 16
#define s3len 15
#define s4 "sbat\314\234\014,"
#define s4sz 9
#define s4len 8
/*
* same as s4 but with a UTF8 encoding error; one bit is cleared.
*/
#define s5 "sbat\314\034\014,"
#define s5sz 9
#define s5len 8
#define test_strncmp_helper(fn, test_cmp_magnitude, invert_sign_errors, \
invert_encoding_errors) \
({ \
printf("testing %s\n", #fn); \
int status_ = 0, rc_; \
\
rc_ = assert_zero_as_expr(fn(s0, s0, s0len), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_zero_as_expr(fn(s0, s0, s0sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
rc_ = assert_zero_as_expr(fn(s0, s1, s0len), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s0, s1, s0sz), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s0, s1, s0sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s0, s1, s0sz), \
s0[s0len] - s1[s0len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
rc_ = assert_positive_as_expr(fn(s1, s0, s0sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s1, s0, s0sz), \
s1[s0len] - s0[s0len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
\
rc_ = assert_positive_as_expr(fn(s1, s2, s1sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s1, s2, s2sz), \
s1[s2len] - s2[s2len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
rc_ = assert_positive_as_expr(fn(s1, s2, s1len), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr( \
fn(s1, s2, s2len), \
s1[s2len - 1] - s2[s2len - 1], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s1, s1sz), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s1, s1sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s2, s1, s1sz), \
s2[s2len] - s1[s2len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
\
rc_ = assert_zero_as_expr(fn(s1, s2, s2len), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_positive_as_expr(fn(s1, s2, s2sz), -1, "\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr(fn(s1, s2, s2sz), \
s1[s2len] - s2[s2len], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
\
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s3, s2sz), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s3, s2sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
if (test_cmp_magnitude) { \
rc_ = assert_equal_as_expr( \
fn(s2, s3, s2sz), \
s2[s2len - 1] - s3[s2len - 1], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_equal_as_expr( \
fn(s2, s3, s2len), \
s2[s2len - 1] - s3[s2len - 1], -1, \
"expected %d got %d\n"); \
status_ = MIN(status_, rc_); \
} \
if (invert_sign_errors) \
rc_ = assert_positive_as_expr(fn(s2, s3, s2len), -1, \
"\n"); \
else \
rc_ = assert_negative_as_expr(fn(s2, s3, s2len), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_zero_as_expr(fn(s2, s3, s2len - 1), -1, "\n"); \
status_ = MIN(status_, rc_); \
rc_ = assert_false_as_expr(fn(s1, s2, s2len), -1, "\n"); \
status_ = MIN(status_, rc_); \
\
if (invert_encoding_errors) \
rc_ = assert_negative_as_expr(fn(s4, s5, s4sz), -1, \
"\n"); \
else \
rc_ = assert_positive_as_expr(fn(s4, s5, s4sz), -1, \
"\n"); \
status_ = MIN(status_, rc_); \
\
if (status_ < 0) \
printf("%s failed\n", #fn); \
status_; \
})
static int
test_strncmp(void)
{
int status = 0;
int rc;
/*
* shim's strncmp
*/
rc = test_strncmp_helper(shim_strncmp, true, false, false);
status = MIN(rc, status);
/*
* libc's strncmp
*/
/*
* Deliberately not testing the difference between these two
* comparisons for the symbol named "strncmp":
* strncmp("b", "a", 1)
* strncmp("c", "a", 1)
* glibc, shim_strncmp(), and even the gnuefi ones will give you 1
* and 2, respectively, as will glibc's, but valgrind swaps in its
* own implementation, in case you're doing something that's both
* clever and dumb with the result, and it'll return 1 for both of
* them.
*/
rc = test_strncmp_helper(strncmp, false, false, false);
status = MIN(rc, status);
/*
* gnu-efi's broken strncmpa
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wtype-limits"
#pragma GCC diagnostic ignored "-Wsign-compare"
rc = test_strncmp_helper(gnuefi_strncmp, true, true, false);
status = MIN(rc, status);
#pragma GCC diagnostic pop
/*
* This is still broken, and fails the test case as written on arm.
* We no longer use this, so we do not strictly need to run it.
*/
#if !defined(__arm__) && !defined(__aarch64__)
/*
* gnu-efi's broken strncmpa with the return type fixed
*/
rc = test_strncmp_helper(gnuefi_signed_strncmp, true, false, true);
status = MIN(rc, status);
#endif
/*
* gnu-efi's strncmpa with the return type fixed and unsigned
* comparisons internally
*/
rc = test_strncmp_helper(gnuefi_good_strncmp, true, false, false);
status = MIN(rc, status);
return status;
}
#undef s0
#undef s0sz
#undef s0len
#undef s1
#undef s1sz
#undef s1len
#undef s2
#undef s2sz
#undef s2len
#undef s3
#undef s3sz
#undef s3len
#undef s4
#undef s4sz
#undef s4len
#undef s5
#undef s5sz
#undef s5len
/*
* Put -Wshadow back how it was
*/
#pragma GCC diagnostic pop
static int
test_strchr(void)
{
char s0[] = "abcbdbeb\0fbgb";
assert_equal_return(strchr(s0, 'a'), s0, -1, "got %p expected %p\n");
assert_equal_return(strchr(s0, 'b'), &s0[1], -1, "got %p expected %p\n");
assert_equal_return(strchr(&s0[1], 'b'), &s0[1], -1, "got %p expected %p\n");
assert_equal_return(strchr(&s0[2], 'b'), &s0[3], -1, "got %p expected %p\n");
assert_equal_return(strchr(&s0[4], 'b'), &s0[5], -1, "got %p expected %p\n");
assert_equal_return(strchr(&s0[6], 'b'), &s0[7], -1, "got %p expected %p\n");
assert_equal_return(strchr(&s0[8], 'b'), NULL, -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(s0, 'a'), s0, -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(s0, 'b'), &s0[1], -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(&s0[1], 'b'), &s0[1], -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(&s0[2], 'b'), &s0[3], -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(&s0[4], 'b'), &s0[5], -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(&s0[6], 'b'), &s0[7], -1, "got %p expected %p\n");
assert_equal_return(shim_strchr(&s0[8], 'b'), NULL, -1, "got %p expected %p\n");
return 0;
}
static int
test_stpcpy(void)
{
char s0[] = "0123456789abcdef";
char s1[] = "xxxxxxxxxxxxxxxx";
char *s;
s0[0xa] = 0;
assert_equal_return(stpcpy(s1, s0), &s1[0xa], -1, "got %p expected %p\n");
assert_zero_return(memcmp(s0, s1, 11), -1, "\n");
assert_zero_return(memcmp(&s1[11], "xxxxx", sizeof("xxxxx")), -1, "\n");
memset(s1, 'x', sizeof(s1));
s1[16] = 0;
assert_equal_return(shim_stpcpy(s1, s0), &s1[0xa], -1, "got %p expected %p\n");
assert_zero_return(memcmp(s0, s1, 11), -1, "\n");
assert_zero_return(memcmp(&s1[11], "xxxxx", sizeof("xxxxx")), -1, "\n");
return 0;
}
static int
test_strdup(void)
{
char s0[] = "0123456789abcdef";
char *s = NULL;
s = strdup(s0);
assert_equal_goto(strcmp(s0, s), 0, err, "\n");
free(s);
s = shim_strdup(s0);
assert_equal_goto(strcmp(s0, s), 0, err, "\n");
free(s);
return 0;
err:
if (s)
free(s);
return -1;
}
static int
test_strndup(void)
{
char s0[] = "0123456789abcdef";
char *s = NULL;
s = strndup(s0, 18);
assert_equal_goto(strcmp(s0, s), 0, err, "\n");
free(s);
s = strndup(s0, 15);
assert_positive_goto(strcmp(s0, s), err, "\n");
free(s);
s = shim_strndup(s0, 18);
assert_equal_goto(strcmp(s0, s), 0, err, "\n");
free(s);
s = strndup(s0, 15);
assert_positive_goto(shim_strcmp(s0, s), err, "\n");
free(s);
return 0;
err:
if (s)
free(s);
return -1;
}
static int
test_strchrnul_helper(__typeof__(strchrnul) fn)
{
const char s0[] = "abcd\0fghi";
assert_equal_return(fn(s0, 'a'), &s0[0], -1, "got %p expected %p\n");
assert_equal_return(fn(s0, 'd'), &s0[3], -1, "got %p expected %p\n");
assert_equal_return(fn(s0, '\000'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(fn(s0, 'i'), &s0[4], -1, "got %p expected %p\n");
return 0;
}
static int
test_strchrnul(void)
{
const char s0[] = "abcd\0fghi";
assert_equal_return(test_strchrnul_helper(shim_strchrnul),
test_strchrnul_helper(strchrnul),
-1, "got %d expected %d\n");
assert_equal_return(strnchrnul(s0, 0, 'b'), &s0[0], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, -1, 'b'), &s0[1], 1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 2, 'b'), &s0[1], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 4, 'f'), &s0[3], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 5, 'f'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 8, 'f'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(&s0[4], 1, 'f'), &s0[4], -1, "got %p expected %p\n");
return 0;
}
static int
test_strrchr(void) {
char s0[] = "abcbebfb";
assert_equal_return(shim_strrchr(s0, '\n'), NULL, -1, "got %p expected %p\n");
assert_equal_return(strrchr(s0, '\n'), NULL, -1, "got %p expected %p\n");
assert_equal_return(shim_strrchr(s0, 'b'), &s0[7], -1, "got %p expected %p\n");
assert_equal_return(strrchr(s0, 'b'), &s0[7], -1, "got %p expected %p\n");
assert_equal_return(shim_strrchr(s0, 'c'), &s0[2], -1, "got %p expected %p\n");
assert_equal_return(strrchr(s0, 'c'), &s0[2], -1, "got %p expected %p\n");
return 0;
}
static int
test_strcpy(void)
{
char s0[] = "0123456789abcdef\0000";
char s1[sizeof(s0)];
memset(s1, 0, sizeof(s1));
assert_equal_return(strcpy(s1, s0), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s0), strlen(s1), -1, "got %d expected %d\n");
memset(s1, 0, sizeof(s1));
assert_equal_return(shim_strcpy(s1, s0), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s0), strlen(s1), -1, "got %d expected %d\n");
memset(s1, 0, sizeof(s1));
assert_equal_return(shim_strcpy(s1, s0), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s0), strlen(s1), -1, "got %d expected %d\n");
return 0;
}
static int
test_strncpy(void)
{
char s[] = "0123456789abcdef\0000";
char s0[4096];
char s1[4096];
memset(s0, 0, sizeof(s0));
memcpy(s0, s, sizeof(s));
#if __GNUC_PREREQ(8, 1)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wstringop-truncation"
#endif
memset(s1, 0, 4096);
assert_equal_return(strncpy(s1, s0, 0), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s1), 0, -1, "got %d expected %d\n");
memset(s1, 0, 4096);
assert_equal_return(shim_strncpy(s1, s0, 0), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s1), 0, -1, "got %d expected %d\n");
memset(s1, 0, 4096);
assert_equal_return(strncpy(s1, s0, 1), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s1), 1, -1, "got %d expected %d\n");
assert_equal_return(s1[0], s0[0], -1, "got %#02hhx, expected %#02hhx\n");
assert_equal_return(s0[1], '1', -1, "got %#02hhx, expected %#02hhx\n");
assert_equal_return(s1[1], '\0', -1, "got %#02hhx, expected %#02hhx\n");
memset(s1, 0, 4096);
assert_equal_return(shim_strncpy(s1, s0, 1), s1, -1, "got %p expected %p\n");
assert_equal_return(strlen(s1), 1, -1, "got %d expected %d\n");
assert_equal_return(s1[0], s0[0], -1, "got %#02hhx, expected %#02hhx\n");
assert_equal_return(s0[1], '1', -1, "got %#02hhx, expected %#02hhx\n");
assert_equal_return(s1[1], '\0', -1, "got %#02hhx, expected %#02hhx\n");
memset(s1, 0, 4096);
assert_equal_return(strncpy(s1, s0, 15), s1, -1, "got %p expected %p\n");
assert_equal_return(s0[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[15], 'f', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[17], '0', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[18], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[15], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[17], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[18], '\000', -1, "got %#02hhx expected %02hhx\n");
memset(s1, 0, 4096);
assert_equal_return(shim_strncpy(s1, s0, 15), s1, -1, "got %p expected %p\n");
assert_equal_return(s0[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[15], 'f', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[17], '0', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[18], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[15], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[17], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[18], '\000', -1, "got %#02hhx expected %02hhx\n");
memset(s1, 0, 4096);
assert_equal_return(strncpy(s1, s0, 16), s1, -1, "got %p expected %p\n");
assert_equal_return(s0[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[15], 'f', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[17], '0', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[18], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[15], 'f', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[17], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s1[18], '\000', -1, "got %#02hhx expected %02hhx\n");
memset(s1, 0, 4096);
assert_equal_return(shim_strncpy(s1, s0, 16), s1, -1, "got %p expected %p\n");
assert_equal_return(s0[14], 'e', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[15], 'f', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[16], '\000', -1, "got %#02hhx expected %02hhx\n");
assert_equal_return(s0[17], '0', -1, "got %#02hhx expected %02hhx\n");