tinycc/tests/tests2/112_backtrace.c
2022-11-25 00:31:32 -06:00

176 lines
3.9 KiB
C

#include <stdio.h>
/* ------------------------------------------------------- */
#if defined test_backtrace_1
void f3()
{
printf("* f3()\n"), fflush(stdout);
*(void**)0 = 0;
}
void f2()
{
printf("* f2()\n"), fflush(stdout);
f3();
}
void f1()
{
printf("* f1()\n"), fflush(stdout);
f2();
}
int main(int argc, char **argv)
{
printf("* main\n"), fflush(stdout);
f1();
printf("* exit main\n"), fflush(stdout);
return 0;
}
/* ------------------------------------------------------- */
#elif defined test_bcheck_1
struct s { int a,b,c,d,e; };
struct s s[3];
struct s *ps = s;
void f1()
{
printf("* f1()\n"), fflush(stdout);
ps[3] = ps[2];
}
int main(int argc, char **argv)
{
printf("* main\n"), fflush(stdout);
f1();
printf("* exit main\n"), fflush(stdout);
return 0;
}
/* ------------------------------------------------------- */
#elif defined test_tcc_backtrace_2
/* test custom backtrace and 'exit()' redirection */
int tcc_backtrace(const char *fmt, ...);
void exit(int);
void f2()
{
printf("* f2()\n");
printf("* exit f2\n"), fflush(stdout);
exit(34);
}
void f1()
{
printf("* f1()\n"), fflush(stdout);
tcc_backtrace("Hello from %s!", "f1");
f2();
}
int main(int argc, char **argv)
{
printf("* main\n"), fflush(stdout);
f1();
printf("* exit main\n"), fflush(stdout);
return 0;
}
/* ------------------------------------------------------- */
#elif defined test_tcc_backtrace_3
/* this test should be run despite of the exit(34) above */
int main(int argc, char **argv)
{
printf("* main\n"), fflush(stdout);
return 1;
}
/* ------------------------------------------------------- */
#else
#include <stdlib.h>
#include <string.h>
char *strdup();
int main()
{
char pad1[10];
char a[10];
char pad2[10];
char b[10];
char pad3[10];
memset (pad1, 0, sizeof(pad1));
memset (pad2, 0, sizeof(pad2));
memset (pad3, 0, sizeof(pad3));
memset (a, 'a', 10);
a[3] = 0;
a[9] = 0;
memset (b, 'b', 10);
#if defined test_bcheck_100
memcpy(&a[1],&b[0],10);
#elif defined test_bcheck_101
memcpy(&a[0],&b[1],10);
#elif defined test_bcheck_102
memcpy(&a[0],&a[3],4);
#elif defined test_bcheck_103
memcpy(&a[3],&a[0],4);
#elif defined test_bcheck_104
memcmp(&b[1],&b[0],10);
#elif defined test_bcheck_105
memcmp(&b[0],&b[1],10);
#elif defined test_bcheck_106
memmove(&b[1],&b[0],10);
#elif defined test_bcheck_107
memmove(&b[0],&b[1],10);
#elif defined test_bcheck_108
memset(&b[1],'b',10);
#elif defined test_bcheck_109
strlen(&b[0]);
#elif defined test_bcheck_110
strcpy(&a[7], &a[0]);
#elif defined test_bcheck_111
strcpy(&a[0], &b[7]);
#elif defined test_bcheck_112
strcpy(&a[0], &a[1]);
#elif defined test_bcheck_113
strcpy(&a[2], &a[0]);
#elif defined test_bcheck_114
strncpy(&a[7], &a[0], 10);
#elif defined test_bcheck_115
strncpy(&a[0], &b[7], 10);
#elif defined test_bcheck_116
strncpy(&a[0], &a[1], 10);
#elif defined test_bcheck_117
strncpy(&a[2], &a[0], 10);
#elif defined test_bcheck_118
strcmp(&b[2], &b[0]);
#elif defined test_bcheck_119
strcmp(&b[0], &b[2]);
#elif defined test_bcheck_120
strncmp(&b[5], &b[0], 10);
#elif defined test_bcheck_121
strncmp(&b[0], &b[5], 10);
#elif defined test_bcheck_122
strcat(&a[7], &a[0]);
#elif defined test_bcheck_123
strcat(&a[0], &b[3]);
#elif defined test_bcheck_124
strcat(&a[0], &a[4]);
#elif defined test_bcheck_125
strcat(&a[3], &a[0]);
#elif defined test_bcheck_126
strncat(&a[7], &a[0], 3);
#elif defined test_bcheck_127
strncat(&a[0], &b[3], 8);
#elif defined test_bcheck_128
strncat(&a[0], &a[4], 3);
#elif defined test_bcheck_129
strncat(&a[3], &a[0], 10);
#elif defined test_bcheck_130
strchr(&b[0], 'a');
#elif defined test_bcheck_131
strrchr(&b[0], 'a');
#elif defined test_bcheck_132
free(strdup(&b[0]));
#endif
}
/* ------------------------------------------------------- */
#endif