The kselftest harness uses these functions.
Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de --- tools/include/nolibc/string.h | 17 +++++++++++++++++ tools/testing/selftests/nolibc/nolibc-test.c | 5 +++++ 2 files changed, 22 insertions(+)
diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h index ba84ab700e3001a7d105e1c9e40c01bf45db9d8c..f0d335f0e467ec870066811289dfd11e46e60a92 100644 --- a/tools/include/nolibc/string.h +++ b/tools/include/nolibc/string.h @@ -289,6 +289,23 @@ char *strrchr(const char *s, int c) return (char *)ret; }
+static __attribute__((unused)) +int tolower(int c) +{ + if (c >= 'A' && c <= 'Z') + return c - 'A' + 'a'; + return c; +} + +static __attribute__((unused)) +int toupper(int c) +{ + if (c >= 'a' && c <= 'z') + return c - 'a' + 'A'; + return c; +} + + /* make sure to include all global symbols */ #include "nolibc.h"
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 3c0431e9917acf57e94dc3f7a8347762e6a5335a..7eb7f3fb067553cccefefdaa2ccfc81af281336b 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -40,6 +40,7 @@ #include <stdint.h> #include <unistd.h> #include <limits.h> +#include <ctype.h> #endif #endif
@@ -1264,6 +1265,10 @@ int run_stdlib(int min, int max) CASE_TEST(strerror_EINVAL); EXPECT_STREQ(is_nolibc, strerror(EINVAL), "errno=22"); break; CASE_TEST(strerror_int_max); EXPECT_STREQ(is_nolibc, strerror(INT_MAX), "errno=2147483647"); break; CASE_TEST(strerror_int_min); EXPECT_STREQ(is_nolibc, strerror(INT_MIN), "errno=-2147483648"); break; + CASE_TEST(tolower); EXPECT_EQ(1, tolower('A'), 'a'); break; + CASE_TEST(tolower_noop); EXPECT_EQ(1, tolower('a'), 'a'); break; + CASE_TEST(toupper); EXPECT_EQ(1, toupper('a'), 'A'); break; + CASE_TEST(toupper_noop); EXPECT_EQ(1, toupper('A'), 'A'); break;
case __LINE__: return ret; /* must be last */