Red Bear OS relibc baseline

From release 0.1.0 pre-patched archive. This includes all Red Bear modifications previously maintained as patches in local/patches/relibc/.
2026-06-27 09:19:26 +03:00
commit 1b3e94a20d
2014 changed files with 155365 additions and 0 deletions
@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "test_helpers.h"
+
+int main(void) {
+    puts("# mem #");
+    char arr[100];
+    memset(arr, 0, 100); // Compiler builtin, should work
+    arr[50] = 1;
+    if ((size_t)memchr((void *)arr, 1, 100) - (size_t)arr != 50) {
+        puts("Incorrect memchr");
+        exit(EXIT_FAILURE);
+    }
+    puts("Correct memchr");
+    if ((size_t)memrchr((void *)arr, 1, 100) - (size_t)arr != 50) {
+        puts("Incorrect memrchr");
+        exit(EXIT_FAILURE);
+    }
+    puts("Correct memrchr");
+    char arr2[51];
+    memset(arr2, 0, 51); // Compiler builtin, should work
+    memccpy((void *)arr2, (void *)arr, 1, 51);
+    if (arr[50] != 1) {
+        puts("Incorrect memccpy");
+        exit(EXIT_FAILURE);
+    }
+    puts("Correct memccpy");
+    int res;
+    if ((res = memcmp("hello world", "hello world", 11))) {
+        printf("Incorrect memcmp (1), expected 0 found %d\n", res);
+        exit(EXIT_FAILURE);
+    }
+    if ((res = memcmp("hello world", "hello worlt", 11)) >= 0) {
+        printf("Incorrect memcmp (2), expected -, found %d\n", res);
+        exit(EXIT_FAILURE);
+    }
+    if ((res = memcmp("hello world", "hallo world", 5)) <= 0) {
+        printf("Incorrect memcmp (3), expected +, found %d\n", res);
+        exit(EXIT_FAILURE);
+    }
+    if ((res = memcmp("hello world", "henlo world", 5)) >= 0) {
+        printf("Incorrect memcmp (4), expected -, found %d\n", res);
+        exit(EXIT_FAILURE);
+    }
+    puts("Correct memcmp");
+}