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-rw-r--r--include/qemu-common.h2
-rw-r--r--tests/test-cutils.c323
-rw-r--r--util/cutils.c23
3 files changed, 348 insertions, 0 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 29cf0a0765..2e684fee77 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -209,6 +209,8 @@ int qemu_strtoul(const char *nptr, const char **endptr, int base,
unsigned long *result);
int qemu_strtoll(const char *nptr, const char **endptr, int base,
int64_t *result);
+int qemu_strtoull(const char *nptr, const char **endptr, int base,
+ uint64_t *result);
int parse_uint(const char *s, unsigned long long *value, char **endptr,
int base);
diff --git a/tests/test-cutils.c b/tests/test-cutils.c
index 8b2afebdb0..a7a15a5efe 100644
--- a/tests/test-cutils.c
+++ b/tests/test-cutils.c
@@ -1090,6 +1090,293 @@ static void test_qemu_strtoll_full_max(void)
g_assert_cmpint(res, ==, LLONG_MAX);
}
+static void test_qemu_strtoull_correct(void)
+{
+ const char *str = "12345 foo";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 12345);
+ g_assert(endptr == str + 5);
+}
+
+static void test_qemu_strtoull_null(void)
+{
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(NULL, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == NULL);
+}
+
+static void test_qemu_strtoull_empty(void)
+{
+ const char *str = "";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0);
+ g_assert(endptr == str);
+}
+
+static void test_qemu_strtoull_whitespace(void)
+{
+ const char *str = " \t ";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0);
+ g_assert(endptr == str);
+}
+
+static void test_qemu_strtoull_invalid(void)
+{
+ const char *str = " xxxx \t abc";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert(endptr == str);
+}
+
+static void test_qemu_strtoull_trailing(void)
+{
+ const char *str = "123xxx";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 123);
+ g_assert(endptr == str + 3);
+}
+
+static void test_qemu_strtoull_octal(void)
+{
+ const char *str = "0123";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 8, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0123);
+ g_assert(endptr == str + strlen(str));
+
+ endptr = &f;
+ res = 999;
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0123);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_decimal(void)
+{
+ const char *str = "0123";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 10, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 123);
+ g_assert(endptr == str + strlen(str));
+
+ str = "123";
+ endptr = &f;
+ res = 999;
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 123);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_hex(void)
+{
+ const char *str = "0123";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 16, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0x123);
+ g_assert(endptr == str + strlen(str));
+
+ str = "0x123";
+ endptr = &f;
+ res = 999;
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0x123);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_max(void)
+{
+ const char *str = g_strdup_printf("%llu", ULLONG_MAX);
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, ULLONG_MAX);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_overflow(void)
+{
+ const char *str = "99999999999999999999999999999999999999999999";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpint(res, ==, ULLONG_MAX);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_underflow(void)
+{
+ const char *str = "-99999999999999999999999999999999999999999999";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpint(res, ==, -1);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_negative(void)
+{
+ const char *str = " \t -321";
+ char f = 'X';
+ const char *endptr = &f;
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, &endptr, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, -321);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_qemu_strtoull_full_correct(void)
+{
+ const char *str = "18446744073709551614";
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, NULL, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 18446744073709551614LLU);
+}
+
+static void test_qemu_strtoull_full_null(void)
+{
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(NULL, NULL, 0, &res);
+
+ g_assert_cmpint(err, ==, -EINVAL);
+}
+
+static void test_qemu_strtoull_full_empty(void)
+{
+ const char *str = "";
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, NULL, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0);
+}
+
+static void test_qemu_strtoull_full_negative(void)
+{
+ const char *str = " \t -321";
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, NULL, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 18446744073709551295LLU);
+}
+
+static void test_qemu_strtoull_full_trailing(void)
+{
+ const char *str = "18446744073709551614xxxxxx";
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, NULL, 0, &res);
+
+ g_assert_cmpint(err, ==, -EINVAL);
+}
+
+static void test_qemu_strtoull_full_max(void)
+{
+ const char *str = g_strdup_printf("%lld", ULLONG_MAX);
+ uint64_t res = 999;
+ int err;
+
+ err = qemu_strtoull(str, NULL, 0, &res);
+
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, ULLONG_MAX);
+}
+
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@@ -1204,5 +1491,41 @@ int main(int argc, char **argv)
g_test_add_func("/cutils/qemu_strtoll_full/max",
test_qemu_strtoll_full_max);
+ /* qemu_strtoull() tests */
+ g_test_add_func("/cutils/qemu_strtoull/correct",
+ test_qemu_strtoull_correct);
+ g_test_add_func("/cutils/qemu_strtoull/null",
+ test_qemu_strtoull_null);
+ g_test_add_func("/cutils/qemu_strtoull/empty", test_qemu_strtoull_empty);
+ g_test_add_func("/cutils/qemu_strtoull/whitespace",
+ test_qemu_strtoull_whitespace);
+ g_test_add_func("/cutils/qemu_strtoull/invalid",
+ test_qemu_strtoull_invalid);
+ g_test_add_func("/cutils/qemu_strtoull/trailing",
+ test_qemu_strtoull_trailing);
+ g_test_add_func("/cutils/qemu_strtoull/octal", test_qemu_strtoull_octal);
+ g_test_add_func("/cutils/qemu_strtoull/decimal",
+ test_qemu_strtoull_decimal);
+ g_test_add_func("/cutils/qemu_strtoull/hex", test_qemu_strtoull_hex);
+ g_test_add_func("/cutils/qemu_strtoull/max", test_qemu_strtoull_max);
+ g_test_add_func("/cutils/qemu_strtoull/overflow",
+ test_qemu_strtoull_overflow);
+ g_test_add_func("/cutils/qemu_strtoull/underflow",
+ test_qemu_strtoull_underflow);
+ g_test_add_func("/cutils/qemu_strtoull/negative",
+ test_qemu_strtoull_negative);
+ g_test_add_func("/cutils/qemu_strtoull_full/correct",
+ test_qemu_strtoull_full_correct);
+ g_test_add_func("/cutils/qemu_strtoull_full/null",
+ test_qemu_strtoull_full_null);
+ g_test_add_func("/cutils/qemu_strtoull_full/empty",
+ test_qemu_strtoull_full_empty);
+ g_test_add_func("/cutils/qemu_strtoull_full/negative",
+ test_qemu_strtoull_full_negative);
+ g_test_add_func("/cutils/qemu_strtoull_full/trailing",
+ test_qemu_strtoull_full_trailing);
+ g_test_add_func("/cutils/qemu_strtoull_full/max",
+ test_qemu_strtoull_full_max);
+
return g_test_run();
}
diff --git a/util/cutils.c b/util/cutils.c
index 7084d6f1ce..67c50e5ae7 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -472,6 +472,29 @@ int qemu_strtoll(const char *nptr, const char **endptr, int base,
}
/**
+ * Converts ASCII string to an unsigned long long integer.
+ *
+ * See qemu_strtol() documentation for more info.
+ */
+int qemu_strtoull(const char *nptr, const char **endptr, int base,
+ uint64_t *result)
+{
+ char *p;
+ int err = 0;
+ if (!nptr) {
+ if (endptr) {
+ *endptr = nptr;
+ }
+ err = -EINVAL;
+ } else {
+ errno = 0;
+ *result = strtoull(nptr, &p, base);
+ err = check_strtox_error(endptr, p, errno);
+ }
+ return err;
+}
+
+/**
* parse_uint:
*
* @s: String to parse
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-16 04:21:11 +0000