#include int print_hash_value = 1; static void platform_main_begin(void) { } static unsigned crc32_tab[256]; static unsigned crc32_context = 0xFFFFFFFFUL; static void crc32_gentab (void) { unsigned crc; unsigned poly = 0xEDB88320UL; int i, j; for (i = 0; i < 256; i++) { crc = i; for (j = 8; j > 0; j--) { if (crc & 1) { crc = (crc >> 1) ^ poly; } else { crc >>= 1; } } crc32_tab[i] = crc; } } static void crc32_byte (unsigned char b) { crc32_context = ((crc32_context >> 8) & 0x00FFFFFF) ^ crc32_tab[(crc32_context ^ b) & 0xFF]; } extern int strcmp ( char *, char *); static void crc32_8bytes (unsigned val) { crc32_byte ((val>>0) & 0xff); crc32_byte ((val>>8) & 0xff); crc32_byte ((val>>16) & 0xff); crc32_byte ((val>>24) & 0xff); } static void transparent_crc (unsigned val, char* vname, int flag) { crc32_8bytes(val); if (flag) { printf("...checksum after hashing %s : %X\n", vname, crc32_context ^ 0xFFFFFFFFU); } } static void platform_main_end (int x, int flag) { if (!flag) printf ("checksum = %x\n", x); } static long __undefined; void csmith_compute_hash(void); void step_hash(int stmt_id); static int g_2 = 0L; static int g_5[6][7] = {{0x19AC196AL, 7L, 0xA12B57E8L, 7L, 0x19AC196AL, 7L, 0xA12B57E8L}, {0x19AC196AL, 7L, 0xA12B57E8L, 7L, 0x19AC196AL, 7L, 0xA12B57E8L}, {0x19AC196AL, 7L, 0xA12B57E8L, 7L, 0x19AC196AL, 7L, 0xA12B57E8L}, {0x19AC196AL, 7L, 0xA12B57E8L, 7L, 0x19AC196AL, 7L, 0xA12B57E8L}, {0x19AC196AL, 7L, 0xA12B57E8L, 7L, 0x19AC196AL, 7L, 0xA12B57E8L}, {0x19AC196AL, 7L, 0xA12B57E8L, 7L, 0x19AC196AL, 7L, 0xA12B57E8L}}; static int g_11 = 0xF0B101AAL; static unsigned short func_1(void); static unsigned short func_1(void) { signed char l_12 = 0x33L; step_hash(9); for (g_2 = 16; (g_2 <= (-11)); g_2--) { step_hash(8); for (g_5[0][1] = 0; (g_5[0][1] == 18); g_5[0][1] += 4) { int *l_10 = &g_11; step_hash(7); (*l_10) = ((signed char)g_5[0][1] << (signed char)7); } } step_hash(10); return l_12; } void csmith_compute_hash(void) { int i, j; transparent_crc(g_2, "g_2", print_hash_value); for (i = 0; i < 6; i++) { for (j = 0; j < 7; j++) { transparent_crc(g_5[i][j], "g_5[i][j]", print_hash_value); if (print_hash_value) printf("index = [%d][%d]\n", i, j); } } transparent_crc(g_11, "g_11", print_hash_value); } void step_hash(int stmt_id) { int i = 0; csmith_compute_hash(); printf("before stmt(%d): checksum = %X\n", stmt_id, crc32_context ^ 0xFFFFFFFFUL); crc32_context = 0xFFFFFFFFUL; for (i = 0; i < 256; i++) { crc32_tab[i] = 0; } crc32_gentab(); } int main (void) { int i, j; int print_hash_value = 0; platform_main_begin(); crc32_gentab(); func_1(); csmith_compute_hash(); platform_main_end(crc32_context ^ 0xFFFFFFFFUL, print_hash_value); return 0; }