initial commit

oscar64/autotest/stdlibtest.c

@@ -0,0 +1,131 @@
+// stdlibtest
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <limits.h>
+
+void numcheck(int n)
+{
+	char	buffer[10];
+	itoa(n, buffer, 10);
+	int	m = atoi(buffer);
+	
+	printf("%d : %s -> %d\n", n, buffer, m);
+	
+	if (m != n)
+		exit(-1);	
+}
+
+void numchecks(void)
+{
+	numcheck(0);
+	numcheck(-1);
+	numcheck(1);
+	numcheck(12345);
+	numcheck(-12345);
+	numcheck(INT_MIN);
+	numcheck(INT_MAX);
+}
+
+void heapcheck(void)
+{
+	void	*	memp[100];
+	int			mems[100];
+	int			n, k, s, i;
+	
+	for(n=0; n<100; n++)
+	{
+		s = rand() % 100 + 3;
+		mems[n] = s;
+		memp[n] = malloc(s);
+		memset(memp[n], n, s);
+	}
+	
+	for(k=0; k<1000; k++)
+	{
+		n = rand() % 100;
+		int	s = mems[n];
+		char	*	p = memp[n];
+		for(i=0; i<s; i++)
+		{
+			if (p[i] != n)
+				exit(-2);
+		}
+		free(memp[n]);
+		
+		s = rand() % 100 + 3;
+		mems[n] = s;
+		memp[n] = malloc(s);
+		if (!memp[n])
+			exit(-3);
+		memset(memp[n], n, s);
+	}
+}
+
+void callocckeck(void) {
+	static const int ALLOC_COUNT = 4;
+	static const int MAX_SIZE = 8;
+
+    int i, j;
+    int sizes[ALLOC_COUNT];
+    char str[ALLOC_COUNT][2 * MAX_SIZE];
+    void *ptr[ALLOC_COUNT];
+
+    for (i = 0; i < ALLOC_COUNT; i++)
+    {
+        sizes[i] = (rand() % MAX_SIZE + 1) * 2;
+
+		for (j=0; j < sizes[i]-1; j++) {
+			str[i][j] = 'a' + rand() % 26;
+		}
+
+		str[i][sizes[i]-1] = '\0'; 
+	}
+
+    for (i = 0; i < ALLOC_COUNT; i++)
+    {
+        ptr[i] = calloc(sizes[i] / 2, 2);
+
+        if (ptr[i] == NULL)
+        {
+			exit(-4);
+		}
+
+        strcpy(ptr[i], str[i]);
+    }
+
+    for (i = 0; i < ALLOC_COUNT; i++)
+    {
+        if (strcmp(ptr[i], str[i]) != 0)
+        {
+			exit(-5);
+        }
+    }
+
+    for (i = 0; i < ALLOC_COUNT; i++)
+    {
+        free(ptr[i]);
+    }
+}
+
+void divcheck(void) {
+	div_t d = div(10, 3);
+	if (d.quot != 3 || d.rem != 1)
+		exit(-6);
+
+	ldiv_t ld = ldiv(10, 3);
+	if (ld.quot != 3 || ld.rem != 1)
+		exit(-7);
+}
+
+int main(void)
+{
+	numchecks();
+	heapcheck();
+	callocckeck();
+	divcheck();
+	
+	return 0;
+}