Core: memeq8len

autotest/memeq8len/memeq8len.cpp

@@ -0,0 +1,49 @@
+#include <Core/Core.h>
+
+using namespace Upp;
+
+size_t memeq8len_e(const void *p, const void *q, size_t count)
+{
+	const byte *t = (byte *)p;
+	const byte *t0 = t;
+	const byte *s = (byte *)q;
+	const byte *et = t0 + count;
+	
+	while(t < et) {
+		if(*t != *s)
+			return t - t0;
+		t++;
+		s++;
+	}
+	
+	return count;
+}
+
+CONSOLE_APP_MAIN
+{
+	StdLogSetup(LOG_COUT|LOG_FILE);
+
+	byte a[497], b[497];
+	for(int i = 0; i < 497; i++)
+		a[i] = i;
+	
+	for(int i = 0; i < 497; i++) {
+		memcpy(a, b, 497);
+		b[i] = 13;
+
+		int len, len2;
+		for(int n = 0; n < 497; n++) {
+			len = memeq8len(a, b, n);
+			len2 = memeq8len_e(a, b, n);
+			ASSERT(len == len2);
+		}
+
+		for(int n = 0; n < 496; n++) {
+			len = memeq8len(a + 1, b + 1, n);
+			len2 = memeq8len_e(a + 1, b + 1, n);
+			ASSERT(len == len2);
+		}
+	}
+	
+	DLOG("============ OK");
+}

autotest/memeq8len/memeq8len.upp

@@ -0,0 +1,9 @@
+uses
+	Core;
+
+file
+	memeq8len.cpp;
+
+mainconfig
+	"" = "";
+