Relax our checks for memchr on C11 and above2.2

Since C11:

> This function behaves as if it reads the bytes sequentially and stops as soon
as a matching bytes is found: if the array pointed to by ptr is smaller than
count, but the match is found within the array, the behavior is well-defined.

Reported-by: q66

2 files changed, 4 insertions, 0 deletions

diff --git a/tests/test_memchr_dynamic_read.c b/tests/test_memchr_dynamic_read.c
index 2f8d214..8b25a15 100644
--- a/tests/test_memchr_dynamic_read.c
+++ b/tests/test_memchr_dynamic_read.c
@@ -3,6 +3,7 @@
 #include <string.h>
 
 int main(int argc, char** argv) {
+#if __STDC_VERSION__ < 201112L
   const char* buffer = "12345";
   memchr(buffer, (int)'4', strlen(buffer) - 1);
   puts(buffer);
@@ -12,5 +13,6 @@ int main(int argc, char** argv) {
   CHK_FAIL_END
 
   puts(buffer);
+#endif
   return ret;
 }
diff --git a/tests/test_memchr_static_read.c b/tests/test_memchr_static_read.c
index ccf46af..edd266d 100644
--- a/tests/test_memchr_static_read.c
+++ b/tests/test_memchr_static_read.c
@@ -3,6 +3,7 @@
 #include <string.h>
 
 int main(int argc, char** argv) {
+#if __STDC_VERSION__ < 201112L
   const char* buffer = "12345";
   const char* padding = "ABCDEFGHIJKLMN";
   memchr(buffer, (int)'4', strlen(buffer) - 1);
@@ -13,5 +14,6 @@ int main(int argc, char** argv) {
   CHK_FAIL_END
 
   puts(buffer);
+#endif
   return ret;
 }