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-rw-r--r--boundtest.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/boundtest.c b/boundtest.c
new file mode 100644
index 0000000..2266ab7
--- /dev/null
+++ b/boundtest.c
@@ -0,0 +1,201 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#define NB_ITS 1000000
+//#define NB_ITS 1
+#define TAB_SIZE 100
+
+int tab[TAB_SIZE];
+int ret_sum;
+char tab3[256];
+
+int test1(void)
+{
+ int i, sum = 0;
+ for(i=0;i<TAB_SIZE;i++) {
+ sum += tab[i];
+ }
+ return sum;
+}
+
+/* error */
+int test2(void)
+{
+ int i, sum = 0;
+ for(i=0;i<TAB_SIZE + 1;i++) {
+ sum += tab[i];
+ }
+ return sum;
+}
+
+int test3(void)
+{
+ int sum;
+ int i, it;
+
+ sum = 0;
+ for(it=0;it<NB_ITS;it++) {
+ for(i=0;i<TAB_SIZE;i++) {
+ sum += tab[i];
+ }
+ }
+ return sum;
+}
+
+/* ok */
+int test4(void)
+{
+ int i, sum = 0;
+ int *tab4;
+
+ tab4 = malloc(20 * sizeof(int));
+ for(i=0;i<20;i++) {
+ sum += tab4[i];
+ }
+ free(tab4);
+
+ return sum;
+}
+
+/* error */
+int test5(void)
+{
+ int i, sum = 0;
+ int *tab4;
+
+ tab4 = malloc(20 * sizeof(int));
+ for(i=0;i<21;i++) {
+ sum += tab4[i];
+ }
+ free(tab4);
+
+ return sum;
+}
+
+/* error */
+int test6(void)
+{
+ int i, sum = 0;
+ int *tab4;
+
+ tab4 = malloc(20 * sizeof(int));
+ free(tab4);
+ for(i=0;i<21;i++) {
+ sum += tab4[i];
+ }
+
+ return sum;
+}
+
+/* error */
+int test7(void)
+{
+ int i, sum = 0;
+ int *p;
+
+ for(i=0;i<TAB_SIZE + 1;i++) {
+ p = &tab[i];
+ if (i == TAB_SIZE)
+ printf("i=%d %x\n", i, p);
+ sum += *p;
+ }
+ return sum;
+}
+
+/* ok */
+int test8(void)
+{
+ int i, sum = 0;
+ int tab[10];
+
+ for(i=0;i<10;i++) {
+ sum += tab[i];
+ }
+ return sum;
+}
+
+/* error */
+int test9(void)
+{
+ int i, sum = 0;
+ char tab[10];
+
+ for(i=0;i<11;i++) {
+ sum += tab[i];
+ }
+ return sum;
+}
+
+/* ok */
+int test10(void)
+{
+ char tab[10];
+ char tab1[10];
+
+ memset(tab, 0, 10);
+ memcpy(tab, tab1, 10);
+ memmove(tab, tab1, 10);
+ return 0;
+}
+
+/* error */
+int test11(void)
+{
+ char tab[10];
+
+ memset(tab, 0, 11);
+ return 0;
+}
+
+/* error */
+int test12(void)
+{
+ void *ptr;
+ ptr = malloc(10);
+ free(ptr);
+ free(ptr);
+ return 0;
+}
+
+int (*table_test[])(void) = {
+ test1,
+ test1,
+ test2,
+ test3,
+ test4,
+ test5,
+ test6,
+ test7,
+ test8,
+ test9,
+ test10,
+ test11,
+ test12,
+};
+
+int main(int argc, char **argv)
+{
+ int index;
+ int (*ftest)(void);
+
+ if (argc < 2) {
+ printf("usage: boundtest n\n"
+ "test TCC bound checking system\n"
+ );
+ exit(1);
+ }
+
+ index = 0;
+ if (argc >= 2)
+ index = atoi(argv[1]);
+ /* well, we also use bounds on this ! */
+ ftest = table_test[index];
+ ftest();
+
+ return 0;
+}
+
+/*
+ * without bound 0.77 s
+ * with bounds 4.73
+ */