if (src[i] != dst[i])
return -1;
- /* Size fail */
- err = memcpy_s (dst + 1, sizeof (dst) - 1, src, sizeof (src));
+ /*
+ * Size test: sizeof (src) > sizeof (dst)
+ * Skip this test when __builtin_constant_p (sizeof (src)) is true.
+ * This is because memcpy_s_inline skips all the errors checking when the
+ * the above buildin function returns true which may cause overrun problem
+ * for dst buffer if this test is executed.
+ */
+ if (__builtin_constant_p (sizeof (src)) == 0)
+ {
+ err = memcpy_s (dst + 1, sizeof (dst) - 1, src, sizeof (src));
- if (err == EOK)
- return -1;
+ if (err == EOK)
+ return -1;
+ }
/* overlap fail */
err = memcpy_s (dst, sizeof (dst), dst + 1, sizeof (dst) - 1);
/* Null pointers comparison */
s = 0;
indicator = clib_strcmp (s, s);
- if (indicator != 0)
- return -1;
- /* verify it against strcmp */
- indicator = strcmp (s, s);
if (indicator != 0)
return -1;
v_indicator = strncmp (s1, "Every moment is a fresh beginning", s1len);
if (v_indicator != 0)
return -1;
- if (v_indicator != indicator)
- return -1;
/* s1 > s2, 0 is expected since comparison is no more than n character */
indicator = clib_strncmp (s1, "Every moment is a fresh begin",
sizeof ("Every moment is a fresh begin") - 1);
if (v_indicator != 0)
return -1;
- if (v_indicator != indicator)
- return -1;
/* s1 < s2, < 0 is expected */
indicator = clib_strncmp (s1, "Every moment is fresh beginning",
v_indicator = strncmp (s1, "Every moment is a fresh beginning", s1len + 1);
if (v_indicator != 0)
return -1;
- if (v_indicator != indicator)
- return -1;
/* unterminated s1 */
s1[s1len] = 0x1;
+ CLIB_MEM_UNPOISON (s1, CLIB_STRING_MACRO_MAX);
indicator = clib_strncmp (s1, "Every moment is a fresh beginning",
sizeof ("every moment is a fresh beginning") - 1);
if (indicator != 0)
sizeof ("Every moment is a fresh beginning") - 1);
if (v_indicator != 0)
return -1;
- if (v_indicator != indicator)
- return -1;
/* OK, seems to work */
return 0;
return 0;
}
-static int
-test_clib_strcpy (vlib_main_t * vm, unformat_input_t * input)
-{
- char src[] = "The journey of a one thousand miles begins with one step.";
- char dst[100];
- int indicator;
- errno_t err;
-
- vlib_cli_output (vm, "Test clib_strcpy...");
-
- err = clib_strcpy (dst, src);
- if (err != EOK)
- return -1;
-
- /* This better not fail but check anyhow */
- if (strcmp_s (dst, clib_strnlen (dst, sizeof (dst)), src, &indicator) !=
- EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* verify it against strcpy */
- strcpy (dst, src);
-
- /* This better not fail but check anyhow */
- if (strcmp_s (dst, clib_strnlen (dst, sizeof (dst)), src, &indicator) !=
- EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* Negative tests */
-
- err = clib_strcpy (0, 0);
- if (err == EOK)
- return -1;
-
- /* overlap fail */
-#if __GNUC__ < 8
- /* GCC 8 flunks this one at compile time... */
- err = clib_strcpy (dst, dst);
- if (err == EOK)
- return -1;
-#endif
-
- /* overlap fail */
- err = clib_strcpy (dst, dst + 1);
- if (err == EOK)
- return -1;
-
- /* OK, seems to work */
- return 0;
-}
-
static int
test_strncpy_s (vlib_main_t * vm, unformat_input_t * input)
{
char src[] = "Those who dare to fail miserably can achieve greatly.";
char dst[100], old_dst[100];
- int indicator;
+ int indicator, i;
size_t s1size = sizeof (dst); // including null
errno_t err;
return -1;
/* n > string len of src */
+ err = clib_memset (dst, 1, sizeof (dst));
+ if (err != EOK)
+ return -1;
+
err = strncpy_s (dst, s1size, src, clib_strnlen (src, sizeof (src)) + 10);
if (err != EOK)
return -1;
if (indicator != 0)
return -1;
+ /* Make sure bytes after strlen(dst) is untouched */
+ for (i = 1 + clib_strnlen (dst, sizeof (dst)); i < sizeof (dst); i++)
+ if (dst[i] != 1)
+ return -1;
+
/* truncation, n >= dmax */
err = strncpy_s (dst, clib_strnlen (src, sizeof (src)), src,
clib_strnlen (src, sizeof (src)));
return -1;
/* Verify it against strncpy */
+#if __GNUC__ < 8
+ /* GCC 8 debian flunks this one at compile time */
strncpy (dst, src, strlen (src));
/* This better not fail but check anyhow */
return -1;
if (indicator != 0)
return -1;
+#endif
/* limited copy -- strlen src > n, copy up to n */
err = clib_strncpy (dst, "The price of greatness is responsibility.", 10);
if (indicator != 0)
return -1;
/* Verify it against strncpy */
+#if __GNUC__ < 8
+ /* GCC 8 debian flunks this one at compile time */
strncpy (dst, src, strlen (src));
if (strcmp_s (dst, clib_strnlen (dst, sizeof (dst)), src, &indicator) !=
EOK)
return -1;
if (indicator != 0)
return -1;
+#endif
/* zero length copy */
clib_strncpy (old_dst, dst, clib_strnlen (dst, sizeof (dst)));
return 0;
}
-static int
-test_clib_strcat (vlib_main_t * vm, unformat_input_t * input)
-{
- char src[100], dst[100], old_dst[100];
- size_t s1size = sizeof (dst); // including null
- errno_t err;
- int indicator;
-
- vlib_cli_output (vm, "Test clib_strcat...");
-
- strcpy_s (dst, sizeof (dst), "Tough time never last ");
- strcpy_s (src, sizeof (src), "but tough people do");
- err = clib_strcat (dst, src);
- if (err != EOK)
- return -1;
- if (strcmp_s (dst, s1size - 1,
- "Tough time never last but tough people do",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
- /* verify it against strcat */
- strcpy_s (dst, sizeof (dst), "Tough time never last ");
- strcpy_s (src, sizeof (src), "but tough people do");
- strcat (dst, src);
- if (strcmp_s (dst, s1size - 1,
- "Tough time never last but tough people do",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* empty string concatenation */
- clib_strncpy (old_dst, dst, clib_strnlen (dst, sizeof (dst)));
- err = clib_strcat (dst, "");
- if (err != EOK)
- return -1;
- /* verify dst is untouched */
- if (strcmp_s (dst, s1size - 1, old_dst, &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* negative stuff */
- err = clib_strcat (0, 0);
- if (err != EINVAL)
- return -1;
-
- /* overlap fail */
- err = clib_strcat (dst, dst + 1);
- if (err != EINVAL)
- return -1;
-
- /* overlap fail */
-#if __GNUC__ < 8
- /* GCC 8 flunks this one at compile time... */
- err = clib_strcat (dst, dst);
- if (err != EINVAL)
- return -1;
-#endif
-
- /* OK, seems to work */
- return 0;
-}
-
static int
test_strncat_s (vlib_main_t * vm, unformat_input_t * input)
{
if (indicator != 0)
return -1;
/* verify it against strncat */
+#if __GNUC__ < 8
+ /* GCC 8 debian flunks this one at compile time */
strcpy_s (dst, sizeof (dst), s1);
strncat (dst, s2, 13);
if (strcmp_s (dst, s1size - 1, "Two things are infinite: the universe ",
return -1;
if (indicator != 0)
return -1;
+#endif
/* negative stuff */
err = strncat_s (0, 0, 0, 1);
return 0;
}
-static int
-test_clib_strncat (vlib_main_t * vm, unformat_input_t * input)
-{
- char src[100], dst[100], old_dst[100];
- size_t s1size = sizeof (dst); // including null
- errno_t err;
- char s1[] = "Two things are infinite: ";
- char s2[] = "the universe and human stupidity; ";
- int indicator;
-
- vlib_cli_output (vm, "Test clib_strncat...");
-
- /* n == strlen src */
- strcpy_s (dst, sizeof (dst), s1);
- strcpy_s (src, sizeof (src), s2);
- err = clib_strncat (dst, src, clib_strnlen (src, sizeof (src)));
- if (err != EOK)
- return -1;
- if (strcmp_s (dst, s1size - 1,
- "Two things are infinite: the universe and human stupidity; ",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
- /* verify it against strncat */
- strcpy_s (dst, sizeof (dst), s1);
- strncat (dst, src, clib_strnlen (src, sizeof (src)));
- if (strcmp_s (dst, s1size - 1,
- "Two things are infinite: the universe and human stupidity; ",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* n > strlen src */
- strcpy_s (dst, sizeof (dst), s1);
- err = clib_strncat (dst, src, clib_strnlen (src, sizeof (src)) + 10);
- if (err != EOK)
- return -1;
- if (strcmp_s (dst, s1size - 1,
- "Two things are infinite: the universe and human stupidity; ",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
- /* verify it against strncat */
- strcpy_s (dst, sizeof (dst), s1);
- strncat (dst, src, clib_strnlen (src, sizeof (src)));
- if (strcmp_s (dst, s1size - 1,
- "Two things are infinite: the universe and human stupidity; ",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* zero length strncat */
- clib_strncpy (old_dst, dst, clib_strnlen (dst, sizeof (dst)));
- err = clib_strncat (dst, src, 0);
- if (err != EOK)
- return -1;
- /* verify dst is untouched */
- if (strcmp_s (dst, s1size - 1, old_dst, &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* empty string, wrong n concatenation */
- err = clib_strncat (dst, "", 10);
- if (err != EOK)
- return -1;
- /* verify dst is untouched */
- if (strcmp_s (dst, s1size - 1, old_dst, &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* limited concatenation, string > n, copy up to n */
- strcpy_s (dst, sizeof (dst), s1);
- err = clib_strncat (dst, s2, 13);
- if (err != EOK)
- return -1;
- if (strcmp_s (dst, s1size - 1, "Two things are infinite: the universe ",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
- /* verify it against strncat */
- strcpy_s (dst, sizeof (dst), s1);
- strncat (dst, s2, 13);
- if (strcmp_s (dst, s1size - 1, "Two things are infinite: the universe ",
- &indicator) != EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* negative stuff */
- err = clib_strncat (0, 0, 1);
- if (err != EINVAL)
- return -1;
-
- /* overlap fail */
- err = clib_strncat (dst, dst + 1, s1size - 1);
- if (err != EINVAL)
- return -1;
-
- /* overlap fail */
-#if __GNUC__ < 8
- /* GCC 8 flunks this one at compile time... */
- err = clib_strncat (dst, dst, clib_strnlen (dst, sizeof (dst)));
- if (err != EINVAL)
- return -1;
-#endif
-
- /* OK, seems to work */
- return 0;
-}
-
static int
test_strtok_s (vlib_main_t * vm, unformat_input_t * input)
{
return 0;
}
-static int
-test_clib_strstr (vlib_main_t * vm, unformat_input_t * input)
-{
- char *sub, *s;
- char s1[64];
- size_t s1len = sizeof (s1) - 1; // excluding null
- int indicator;
-
- vlib_cli_output (vm, "Test clib_strstr...");
-
- /* substring not present */
- strcpy_s (s1, s1len, "success is not final, failure is not fatal.");
- sub = clib_strstr (s1, "failures");
- if (sub != 0)
- return -1;
- /* verify it against strstr */
- sub = strstr (s1, "failures");
- if (sub != 0)
- return -1;
-
- /* substring present */
- sub = clib_strstr (s1, "failure");
- if (sub == 0)
- return -1;
- if (strcmp_s (sub, strlen (sub), "failure is not fatal.", &indicator) !=
- EOK)
- return -1;
- if (indicator != 0)
- return -1;
- /* verify it against strstr */
- sub = strstr (s1, "failure");
- if (sub == 0)
- return -1;
- if (strcmp_s (sub, strlen (sub), "failure is not fatal.", &indicator) !=
- EOK)
- return -1;
- if (indicator != 0)
- return -1;
-
- /* negative stuff */
-
- /* Null pointers test */
- s = 0;
- sub = clib_strstr (s, s);
- if (sub != 0)
- return -1;
- /*
- * Can't verify it against strstr for this test. Null pointers cause strstr
- * to crash. Go figure!
- */
-
- /* unterminated s1 and s2 */
- memset_s (s1, ARRAY_LEN (s1), 0xfe, ARRAY_LEN (s1));
- sub = clib_strstr (s1, s1);
- if (sub == 0)
- return -1;
- /*
- * Can't verify it against strstr for this test. Unterminated string causes
- * strstr to crash. Go figure!
- */
-
- /* OK, seems to work */
- return 0;
-}
-
-#define foreach_string_test \
- _ (0, MEMCPY_S, "memcpy_s", memcpy_s) \
- _ (1, CLIB_MEMCPY, "clib_memcpy", clib_memcpy) \
- _ (2, MEMSET_S , "memset_s", memset_s) \
- _ (3, CLIB_MEMSET , "clib_memset", clib_memset) \
- _ (4, MEMCMP_S, "memcmp_s", memcmp_s) \
- _ (5, CLIB_MEMCMP, "clib_memcmp", clib_memcmp) \
- _ (6, STRCMP_S, "strcmp_s", strcmp_s) \
- _ (7, CLIB_STRCMP, "clib_strcmp", clib_strcmp) \
- _ (8, STRNCMP_S, "strncmp_s", strncmp_s) \
- _ (9, CLIB_STRNCMP, "clib_strncmp", clib_strncmp) \
- _ (10, STRCPY_S, "strcpy_s", strcpy_s) \
- _ (11, CLIB_STRCPY, "clib_strcpy", clib_strcpy) \
- _ (12, STRNCPY_S, "strncpy_s", strncpy_s) \
- _ (13, CLIB_STRNCPY, "clib_strncpy", clib_strncpy) \
- _ (14, STRCAT_S, "strcat_s", strcat_s) \
- _ (15, CLIB_STRCAT, "clib_strcat", clib_strcat) \
- _ (16, STRNCAT_S, "strncat_s", strncat_s) \
- _ (17, CLIB_STRNCAT, "clib_strncat", clib_strncat) \
- _ (18, STRTOK_S, "strtok_s", strtok_s) \
- _ (19, CLIB_STRTOK, "clib_strtok", clib_strtok) \
- _ (20, STRNLEN_S, "strnlen_s", strnlen_s) \
- _ (21, CLIB_STRNLEN, "clib_strnlen", clib_strnlen) \
- _ (22, STRSTR_S, "strstr_s", strstr_s) \
- _ (23, CLIB_STRSTR, "clib_strstr", clib_strstr)
+#define foreach_string_test \
+ _ (0, MEMCPY_S, "memcpy_s", memcpy_s) \
+ _ (1, CLIB_MEMCPY, "clib_memcpy", clib_memcpy) \
+ _ (2, MEMSET_S, "memset_s", memset_s) \
+ _ (3, CLIB_MEMSET, "clib_memset", clib_memset) \
+ _ (4, MEMCMP_S, "memcmp_s", memcmp_s) \
+ _ (5, CLIB_MEMCMP, "clib_memcmp", clib_memcmp) \
+ _ (6, STRCMP_S, "strcmp_s", strcmp_s) \
+ _ (7, CLIB_STRCMP, "clib_strcmp", clib_strcmp) \
+ _ (8, STRNCMP_S, "strncmp_s", strncmp_s) \
+ _ (9, CLIB_STRNCMP, "clib_strncmp", clib_strncmp) \
+ _ (10, STRCPY_S, "strcpy_s", strcpy_s) \
+ _ (11, STRNCPY_S, "strncpy_s", strncpy_s) \
+ _ (12, CLIB_STRNCPY, "clib_strncpy", clib_strncpy) \
+ _ (13, STRCAT_S, "strcat_s", strcat_s) \
+ _ (14, STRNCAT_S, "strncat_s", strncat_s) \
+ _ (15, STRTOK_S, "strtok_s", strtok_s) \
+ _ (16, CLIB_STRTOK, "clib_strtok", clib_strtok) \
+ _ (17, STRNLEN_S, "strnlen_s", strnlen_s) \
+ _ (18, CLIB_STRNLEN, "clib_strnlen", clib_strnlen) \
+ _ (19, STRSTR_S, "strstr_s", strstr_s)
typedef enum
{
#define _(v,f,s,p) STRING_TEST_##f = v,
foreach_string_test
#undef _
+#define STRING_TEST_FIRST STRING_TEST_MEMCPY_S
+#define STRING_TEST_LAST STRING_TEST_STRSTR_S
} string_test_t;
static uword
if (specific_test == ~0)
{
- for (specific_test = STRING_TEST_MEMCPY_S;
- specific_test <= STRING_TEST_CLIB_STRSTR; specific_test++)
+ for (specific_test = STRING_TEST_FIRST;
+ specific_test <= STRING_TEST_LAST; specific_test++)
{
ok = (string_func[specific_test]).test (vm, input);
res += ok;
}
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (string_test_command, static) =
-{
+VLIB_CLI_COMMAND (string_test_command, static) = {
.path = "test string",
- .short_help = "test string [memcpy_s | clib_memcpy | memset_s | "
- "clib_memset | memcmp_s | clib_memcmp | strcmp_s | clib_strcmp | "
- "strncmp_s | clib_strncmp | strcpy_s | clib_strcpy | strncpy_s | "
- "clib_strncpy | strcat_s | clib_strcat | strncat_s | clib_strncat | "
- "strtok_s | clib_strtok | strnlen_s | clib_strnlen | strstr_s | "
- "clib_strstr]",
+ .short_help =
+ "test string [memcpy_s | clib_memcpy | memset_s | "
+ "clib_memset | memcmp_s | clib_memcmp | strcmp_s | clib_strcmp | "
+ "strncmp_s | clib_strncmp | strcpy_s | strncpy_s | "
+ "clib_strncpy | strcat_s | strncat_s | "
+ "strtok_s | clib_strtok | strnlen_s | clib_strnlen | strstr_s ]",
.function = string_test_command_fn,
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff