newlib/examples/memtest.c

@@ -20,64 +20,41 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <dirent.h>
 
 int print_usage() {
-	printf("usage: size mb/kb/b [chunks]\n");
+	printf("usage: [size mb/kb/b]");
 	exit(0);
 }
 
 int main(int argc, char** argv)
 {
-	int multp = 0;
-	int size = 0;
-	int chunks = 1;
-
-	void **test;
-
-	if (argc <= 2 || argc > 4)
+	int m = 0;
+	uint32_t size = 0;
+	if(argc <= 2)
 		print_usage();
-
+	if(argc == 3) {
+		if(!strcmp(argv[2], "mb"))
+			m = 1024*1024;
+		else if(!strcmp(argv[2], "kb"))
+			m = 1024;
+		else if(!strcmp(argv[2], "b"))
+			m = 0;
+		else
+			print_usage();
+	}
+	if(argc > 3)
+		print_usage();
+	
 	size = atoi(argv[1]);
-	if (size <= 0)
+	if(size <= 0)
 		print_usage();
 
-	if (!strcasecmp(argv[2], "mb"))
-		multp = 1024*1024;
-	else if (!strcasecmp(argv[2], "kb"))
-		multp = 1024;
-	else if (!strcasecmp(argv[2], "b"))
-		multp = 1;
-	else
-		print_usage();
-	size *= multp;
-
-	if (argc == 4)
-		chunks = atoi(argv[3]);
-
-	test = malloc(chunks * sizeof(void *));
-	if (!test)
-		printf("malloc(%d) - FAILED!\n", chunks * sizeof(void *));
-
-	// allocate...
-	int i;
-	for (i = 0; i < chunks; i++) {
-		test[i] = malloc(size);
-		if (test[i])
-			printf("malloc(%d)\tCHUNK: %d START: %p END: %p\n", size, i, test[i], test[i] + size);
-		else {
-			printf("malloc(%d)\tFAILED! Abort allocation, start with freeing memory\n", size);
-			break;
-		}
-	}
-
-	// and release again
-	for (i = 0; i < chunks; i++) {
-		if (test[i]) {
-			free(test[i]);
-			printf("free(%p)\tCHUNK: %d\n", test[i], i);
-		}
-	}
-
-	free(test);
+	size *= m;
+	uint8_t* test = malloc(size);
+	printf("malloc(%d) - START: %p END: %p \n", size, test, test + size);
 	return 0;
 }