TinyC upgrade (#6593)

This commit is contained in:
Dmitry Atamanov 2017-10-28 10:25:56 +03:00 • committed by Andreas Rumpf
commit d2c7d391c8

View file

@ -1,5 +1,6 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define NB_ITS 1000000
//#define NB_ITS 1
@ -49,12 +50,15 @@ int test4(void)
int i, sum = 0;
int *tab4;
fprintf(stderr, "%s start\n", __FUNCTION__);
tab4 = malloc(20 * sizeof(int));
for(i=0;i<20;i++) {
sum += tab4[i];
}
free(tab4);
fprintf(stderr, "%s end\n", __FUNCTION__);
return sum;
}
@ -64,12 +68,15 @@ int test5(void)
int i, sum = 0;
int *tab4;
fprintf(stderr, "%s start\n", __FUNCTION__);
tab4 = malloc(20 * sizeof(int));
for(i=0;i<21;i++) {
sum += tab4[i];
}
free(tab4);
fprintf(stderr, "%s end\n", __FUNCTION__);
return sum;
}
@ -169,8 +176,60 @@ int test13(void)
return strlen(tab);
}
int test14(void)
{
char *p = alloca(TAB_SIZE);
memset(p, 'a', TAB_SIZE);
p[TAB_SIZE-1] = 0;
return strlen(p);
}
/* error */
int test15(void)
{
char *p = alloca(TAB_SIZE-1);
memset(p, 'a', TAB_SIZE);
p[TAB_SIZE-1] = 0;
return strlen(p);
}
/* ok */
int test16()
{
char *demo = "This is only a test.";
char *p;
fprintf(stderr, "%s start\n", __FUNCTION__);
p = alloca(16);
strcpy(p,"12345678901234");
printf("alloca: p is %s\n", p);
/* Test alloca embedded in a larger expression */
printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
fprintf(stderr, "%s end\n", __FUNCTION__);
}
/* error */
int test17()
{
char *demo = "This is only a test.";
char *p;
fprintf(stderr, "%s start\n", __FUNCTION__);
p = alloca(16);
strcpy(p,"12345678901234");
printf("alloca: p is %s\n", p);
/* Test alloca embedded in a larger expression */
printf("alloca: %s\n", strcpy(alloca(strlen(demo)),demo) );
fprintf(stderr, "%s end\n", __FUNCTION__);
}
int (*table_test[])(void) = {
test1,
test1,
test2,
test3,
@ -184,23 +243,35 @@ int (*table_test[])(void) = {
test11,
test12,
test13,
test14,
test15,
test16,
test17,
};
int main(int argc, char **argv)
{
int index;
int (*ftest)(void);
int index_max = sizeof(table_test)/sizeof(table_test[0]);
if (argc < 2) {
printf("usage: boundtest n\n"
"test TCC bound checking system\n"
);
printf(
"test TCC bound checking system\n"
"usage: boundtest N\n"
" 1 <= N <= %d\n", index_max);
exit(1);
}
index = 0;
if (argc >= 2)
index = atoi(argv[1]);
index = atoi(argv[1]) - 1;
if ((index < 0) || (index >= index_max)) {
printf("N is outside of the valid range (%d)\n", index);
exit(2);
}
/* well, we also use bounds on this ! */
ftest = table_test[index];
ftest();