/* safe_iop * License:: released in to the public domain * Author:: Will Drewry * Copyright 2007,2008 redpig@dataspill.org * Some portions copyright The Android Open Source Project * * Unless required by applicable law or agreed to in writing, software * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS * OF ANY KIND, either express or implied. * * See safe_iop.h for more info. */ #include #include #include #include #include /* Read off the type if the first value matches a type prefix * and consume characters if successful. */ static int _safe_op_read_type(safe_type_t *type, const char **c) { if (type == NULL) { return 0; } if (c == NULL || *c == NULL || **c == '\0') { return 0; } /* Extract a type for the operation if there is one */ if (strchr(SAFE_IOP_TYPE_PREFIXES, **c) != NULL) { switch(**c) { case 'u': if ((*(*c+1) && *(*c+1) == '3') && (*(*c+2) && *(*c+2) == '2')) { *type = SAFE_IOP_TYPE_U32; *c += 3; /* Advance past type */ } break; case 's': if ((*(*c+1) && *(*c+1) == '3') && (*(*c+2) && *(*c+2) == '2')) { *type = SAFE_IOP_TYPE_S32; *c += 3; /* Advance past type */ } break; default: /* Unknown type */ return 0; } } return 1; } #define _SAFE_IOP_TYPE_CASE(_type, _func) { \ _type a = va_arg(ap, _type), value = *((_type *) result); \ if (!baseline) { \ value = a; \ a = va_arg(ap, _type); \ baseline = 1; \ } \ if (! _func( (_type *) result, value, a)) \ return 0; \ } #define _SAFE_IOP_OP_CASE(u32func, s32func) \ switch (type) { \ case SAFE_IOP_TYPE_U32: \ _SAFE_IOP_TYPE_CASE(u_int32_t, u32func); \ break; \ case SAFE_IOP_TYPE_S32: \ _SAFE_IOP_TYPE_CASE(int32_t, s32func); \ break; \ default: \ return 0; \ } int safe_iopf(void *result, const char *const fmt, ...) { va_list ap; int baseline = 0; /* indicates if the base value is present */ const char *c = NULL; safe_type_t type = SAFE_IOP_TYPE_DEFAULT; /* Result should not be NULL */ if (!result) return 0; va_start(ap, fmt); if (fmt == NULL || fmt[0] == '\0') return 0; for(c=fmt;(*c);c++) { /* Read the type if specified */ if (!_safe_op_read_type(&type, &c)) { return 0; } /* Process the the operations */ switch(*c) { /* operation */ case '+': /* add */ _SAFE_IOP_OP_CASE(safe_uadd, safe_sadd); break; case '-': /* sub */ _SAFE_IOP_OP_CASE(safe_usub, safe_ssub); break; case '*': /* mul */ _SAFE_IOP_OP_CASE(safe_umul, safe_smul); break; case '/': /* div */ _SAFE_IOP_OP_CASE(safe_udiv, safe_sdiv); break; case '%': /* mod */ _SAFE_IOP_OP_CASE(safe_umod, safe_smod); break; default: /* unknown op */ return 0; } /* Reset the type */ type = SAFE_IOP_TYPE_DEFAULT; } /* Success! */ return 1; } #ifdef SAFE_IOP_TEST #include #include #include /* __LP64__ is given by GCC. Without more work, this is bound to GCC. */ #if __LP64__ == 1 || __SIZEOF_LONG__ > __SIZEOF_INT__ # define SAFE_INT64_MAX 0x7fffffffffffffffL # define SAFE_UINT64_MAX 0xffffffffffffffffUL # define SAFE_INT64_MIN (-SAFE_INT64_MAX - 1L) #elif __SIZEOF_LONG__ == __SIZEOF_INT__ # define SAFE_INT64_MAX 0x7fffffffffffffffLL # define SAFE_UINT64_MAX 0xffffffffffffffffULL # define SAFE_INT64_MIN (-SAFE_INT64_MAX - 1LL) #else # warning "64-bit support disabled" # define SAFE_IOP_NO_64 1 #endif /* Pull these from GNU's limit.h */ #ifndef LLONG_MAX # define LLONG_MAX 9223372036854775807LL #endif #ifndef LLONG_MIN # define LLONG_MIN (-LLONG_MAX - 1LL) #endif #ifndef ULLONG_MAX # define ULLONG_MAX 18446744073709551615ULL #endif /* Assumes SSIZE_MAX */ #ifndef SSIZE_MIN # if SSIZE_MAX == LONG_MAX # define SSIZE_MIN LONG_MIN # elif SSIZE_MAX == LONG_LONG_MAX # define SSIZE_MIN LONG_LONG_MIN # else # error "SSIZE_MIN is not defined and could not be guessed" # endif #endif #define EXPECT_FALSE(cmd) ({ \ printf("%s: EXPECT_FALSE(" #cmd ") => ", __func__); \ if ((cmd) != 0) { printf(" FAILED\n"); expect_fail++; r = 0; } \ else { printf(" PASSED\n"); expect_succ++; } \ expect++; \ }) #define EXPECT_TRUE(cmd) ({ \ printf("%s: EXPECT_TRUE(" #cmd ") => ", __func__); \ if ((cmd) != 1) { printf(" FAILED\n"); expect_fail++; r = 0; } \ else { printf(" PASSED\n"); expect_succ++; } \ expect++; \ }) static int expect = 0, expect_succ = 0, expect_fail = 0; /***** ADD *****/ int T_add_s8() { int r=1; int8_t a, b; a=SCHAR_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=SCHAR_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=-10; b=-11; EXPECT_TRUE(safe_add(NULL, a, b)); a=SCHAR_MIN; b=SCHAR_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=SCHAR_MIN+1; b=-1; EXPECT_TRUE(safe_add(NULL, a, b)); a=SCHAR_MAX/2; b=SCHAR_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_s16() { int r=1; int16_t a, b; a=SHRT_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=SHRT_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=SHRT_MIN; b=SHRT_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=SHRT_MAX/2; b=SHRT_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_s32() { int r=1; int32_t a, b; a=INT_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=INT_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=INT_MIN; b=INT_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=INT_MAX/2; b=INT_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_s64() { int r=1; int64_t a, b; a=SAFE_INT64_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=SAFE_INT64_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=SAFE_INT64_MIN; b=SAFE_INT64_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=SAFE_INT64_MAX/2; b=SAFE_INT64_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_long() { int r=1; long a, b; a=LONG_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=LONG_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=LONG_MIN; b=LONG_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=LONG_MAX/2; b=LONG_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_longlong() { int r=1; long long a, b; a=LLONG_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=LLONG_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=LLONG_MIN; b=LLONG_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=LLONG_MAX/2; b=LLONG_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_ssizet() { int r=1; ssize_t a, b; a=SSIZE_MIN; b=-1; EXPECT_FALSE(safe_add(NULL, a, b)); a=SSIZE_MAX; b=1; EXPECT_FALSE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=SSIZE_MIN; b=SSIZE_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); a=SSIZE_MAX/2; b=SSIZE_MAX/2; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_u8() { int r=1; uint8_t a, b; a=1; b=UCHAR_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=UCHAR_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=UCHAR_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=UCHAR_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=UCHAR_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_u16() { int r=1; uint16_t a, b; a=1; b=USHRT_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=USHRT_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=USHRT_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=USHRT_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=USHRT_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_u32() { int r=1; uint32_t a, b; a=1; b=UINT_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=UINT_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=UINT_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=UINT_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=UINT_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_u64() { int r=1; uint64_t a, b; a=1; b=SAFE_UINT64_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=SAFE_UINT64_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=SAFE_UINT64_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=SAFE_UINT64_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=SAFE_UINT64_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_ulong() { int r=1; unsigned long a, b; a=1; b=ULONG_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=ULONG_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=ULONG_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=ULONG_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=ULONG_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_ulonglong() { int r=1; unsigned long long a, b; a=1; b=ULLONG_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=ULLONG_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=ULLONG_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=ULLONG_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=ULLONG_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_sizet() { int r=1; size_t a, b; a=1; b=SIZE_MAX; EXPECT_FALSE(safe_add(NULL, a, b)); a=SIZE_MAX/2; b=a+2; EXPECT_FALSE(safe_add(NULL, a, b)); a=SIZE_MAX/2; b=a; EXPECT_TRUE(safe_add(NULL, a, b)); a=SIZE_MAX/2; b=a+1; EXPECT_TRUE(safe_add(NULL, a, b)); a=10; b=11; EXPECT_TRUE(safe_add(NULL, a, b)); a=0; b=SIZE_MAX; EXPECT_TRUE(safe_add(NULL, a, b)); return r; } int T_add_mixed() { int r=1; int8_t a = 1; uint8_t b = 2; uint16_t c = 3; EXPECT_FALSE(safe_add(NULL, a, b)); EXPECT_FALSE(safe_add(NULL, b, c)); EXPECT_FALSE(safe_add(NULL, a, c)); EXPECT_FALSE(safe_add3(NULL, a, b, c)); return r; } int T_add_increment() { int r=1; uint16_t a = 1, b = 2, c = 0, d[2]= {0}; uint16_t *cur = d; EXPECT_TRUE(safe_add(cur++, a++, b)); EXPECT_TRUE(cur == &d[1]); EXPECT_TRUE(d[0] == 3); EXPECT_TRUE(a == 2); a = 1; b = 2; c = 1; cur=d;d[0] = 0; EXPECT_TRUE(safe_add3(cur++, a++, b++, c)); EXPECT_TRUE(d[0] == 4); EXPECT_TRUE(cur == &d[1]); EXPECT_TRUE(a == 2); EXPECT_TRUE(b == 3); EXPECT_TRUE(c == 1); return r; } /***** SUB *****/ int T_sub_s8() { int r=1; int8_t a, b; a=SCHAR_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SCHAR_MIN; b=SCHAR_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SCHAR_MIN/2; b=SCHAR_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=SCHAR_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SCHAR_MAX; b=SCHAR_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_s16() { int r=1; int16_t a, b; a=SHRT_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SHRT_MIN; b=SHRT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SHRT_MIN/2; b=SHRT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=SHRT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SHRT_MAX; b=SHRT_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_s32() { int r=1; int32_t a, b; a=INT_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=INT_MIN; b=INT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=INT_MIN/2; b=INT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=INT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=INT_MAX; b=INT_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_s64() { int r=1; int64_t a, b; a=SAFE_INT64_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SAFE_INT64_MIN; b=SAFE_INT64_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SAFE_INT64_MIN/2; b=SAFE_INT64_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=SAFE_INT64_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SAFE_INT64_MAX; b=SAFE_INT64_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_long() { int r=1; long a, b; a=LONG_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=LONG_MIN; b=LONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=LONG_MIN/2; b=LONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=LONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=LONG_MAX; b=LONG_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_longlong() { int r=1; long long a, b; a=LLONG_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=LLONG_MIN; b=LLONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=LLONG_MIN/2; b=LLONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=LLONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=LLONG_MAX; b=LLONG_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_ssizet() { int r=1; ssize_t a, b; a=SSIZE_MIN; b=1; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SSIZE_MIN; b=SSIZE_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SSIZE_MIN/2; b=SSIZE_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=-2; b=SSIZE_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SSIZE_MAX; b=SSIZE_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=2; b=10; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_u8() { int r=1; uint8_t a, b; a=0; b=UCHAR_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=UCHAR_MAX-1; b=UCHAR_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=UCHAR_MAX; b=UCHAR_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_u16() { int r=1; uint16_t a, b; a=0; b=USHRT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=USHRT_MAX-1; b=USHRT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=USHRT_MAX; b=USHRT_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_u32() { int r=1; uint32_t a, b; a=UINT_MAX-1; b=UINT_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=UINT_MAX; b=UINT_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_u64() { int r=1; uint64_t a, b; a=SAFE_UINT64_MAX-1; b=SAFE_UINT64_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SAFE_UINT64_MAX; b=SAFE_UINT64_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_ulong() { int r=1; unsigned long a, b; a=ULONG_MAX-1; b=ULONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=ULONG_MAX; b=ULONG_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_ulonglong() { int r=1; unsigned long long a, b; a=ULLONG_MAX-1; b=ULLONG_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=ULLONG_MAX; b=ULLONG_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } int T_sub_sizet() { int r=1; size_t a, b; a=SIZE_MAX-1; b=SIZE_MAX; EXPECT_FALSE(safe_sub(NULL, a, b)); a=SIZE_MAX; b=SIZE_MAX; EXPECT_TRUE(safe_sub(NULL, a, b)); a=1; b=100; EXPECT_FALSE(safe_sub(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_sub(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_sub(NULL, a, b)); return r; } /***** MUL *****/ int T_mul_s8() { int r=1; int8_t a, b; a=SCHAR_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SCHAR_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SCHAR_MAX; b=SCHAR_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SCHAR_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SCHAR_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SCHAR_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SCHAR_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SCHAR_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SCHAR_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_s16() { int r=1; int16_t a, b; a=SHRT_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SHRT_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SHRT_MAX; b=SHRT_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SHRT_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SHRT_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SHRT_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SHRT_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SHRT_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SHRT_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_s32() { int r=1; int32_t a, b; a=INT_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=INT_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=INT_MAX; b=INT_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=INT_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=INT_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=INT_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=INT_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=INT_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=INT_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_s64() { int r=1; int64_t a, b; a=SAFE_INT64_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_INT64_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_INT64_MAX; b=SAFE_INT64_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_INT64_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_INT64_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SAFE_INT64_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SAFE_INT64_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SAFE_INT64_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SAFE_INT64_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_long() { int r=1; long a, b; a=LONG_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LONG_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LONG_MAX; b=LONG_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LONG_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LONG_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=LONG_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=LONG_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=LONG_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=LONG_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_longlong() { int r=1; long long a, b; a=LLONG_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LLONG_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LLONG_MAX; b=LLONG_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LLONG_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=LLONG_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=LLONG_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=LLONG_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=LLONG_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=LLONG_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_ssizet() { int r=1; ssize_t a, b; a=SSIZE_MIN; b=-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SSIZE_MIN; b=-2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SSIZE_MAX; b=SSIZE_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SSIZE_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SSIZE_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=100; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SSIZE_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SSIZE_MIN; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SSIZE_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SSIZE_MIN; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_u8() { int r=1; uint8_t a, b; a=UCHAR_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=UCHAR_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=UCHAR_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=UCHAR_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=UCHAR_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=UCHAR_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=UCHAR_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=UCHAR_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=UCHAR_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=UCHAR_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=UCHAR_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_u16() { int r=1; uint16_t a, b; a=USHRT_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=USHRT_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=USHRT_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=USHRT_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=USHRT_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=USHRT_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=USHRT_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=USHRT_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=USHRT_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=USHRT_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=USHRT_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_u32() { int r=1; uint32_t a, b; a=UINT_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=UINT_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=UINT_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=UINT_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=UINT_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=UINT_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=UINT_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=UINT_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=UINT_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=UINT_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=UINT_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_u64() { int r=1; uint64_t a, b; a=SAFE_UINT64_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=SAFE_UINT64_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_UINT64_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=SAFE_UINT64_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_UINT64_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=SAFE_UINT64_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SAFE_UINT64_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SAFE_UINT64_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=SAFE_UINT64_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SAFE_UINT64_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SAFE_UINT64_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_ulong() { int r=1; unsigned long a, b; a=ULONG_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=ULONG_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=ULONG_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=ULONG_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=ULONG_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=ULONG_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=ULONG_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=ULONG_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=ULONG_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=ULONG_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=ULONG_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_ulonglong() { int r=1; unsigned long long a, b; a=ULLONG_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=ULLONG_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=ULLONG_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=ULLONG_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=ULLONG_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=ULLONG_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=ULLONG_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=ULLONG_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=ULLONG_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=ULLONG_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=ULLONG_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } int T_mul_sizet() { int r=1; size_t a, b; a=SIZE_MAX-1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=SIZE_MAX-1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SIZE_MAX; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=SIZE_MAX; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SIZE_MAX/2+1; b=2; EXPECT_FALSE(safe_mul(NULL, a, b)); a=2; b=SIZE_MAX/2+1; EXPECT_FALSE(safe_mul(NULL, a, b)); a=SIZE_MAX/2; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); a=0; b=SIZE_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=1; b=SIZE_MAX; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SIZE_MAX; b=0; EXPECT_TRUE(safe_mul(NULL, a, b)); a=SIZE_MAX; b=1; EXPECT_TRUE(safe_mul(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mul(NULL, a, b)); return r; } /***** MOD *****/ int T_mod_s8() { int r=1; int8_t a, b; a=SCHAR_MIN; b=-1; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_s16() { int r=1; int16_t a, b; a=SHRT_MIN; b=-1; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_s32() { int r=1; int32_t a, b; a=INT_MIN; b=-1; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_s64() { int r=1; int64_t a, b; a=SAFE_INT64_MIN; b=-1; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_long() { int r=1; long a, b; a=LONG_MIN; b=-1; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_longlong() { int r=1; long long a, b; a=LLONG_MIN; b=-1LL; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100LL; b=0LL; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10LL; b=2LL; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_ssizet() { int r=1; ssize_t a, b; a=SSIZE_MIN; b=-1; EXPECT_FALSE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_u8() { int r=1; uint8_t a, b; a=0; b=UCHAR_MAX; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_u16() { int r=1; uint16_t a, b; a=0; b=USHRT_MAX; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_u32() { int r=1; uint32_t a, b; a=0; b=UINT_MAX; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_u64() { int r=1; uint64_t a, b; a=0; b=SAFE_INT64_MAX; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_ulong() { int r=1; unsigned long a, b; a=0; b=LONG_MAX; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_ulonglong() { int r=1; unsigned long long a, b; a=0ULL; b=~0ULL; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100ULL; b=0ULL; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10ULL; b=2ULL; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } int T_mod_sizet() { int r=1; size_t a, b; a=0; b=SIZE_MAX; EXPECT_TRUE(safe_mod(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_mod(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_mod(NULL, a, b)); return r; } /***** DIV *****/ int T_div_s8() { int r=1; int8_t a, b; a=SCHAR_MIN; b=-1; EXPECT_FALSE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_s16() { int r=1; int16_t a, b; a=SHRT_MIN; b=-1; EXPECT_FALSE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_s32() { int r=1; int32_t a, b; a=INT_MIN; b=-1; EXPECT_FALSE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_s64() { int r=1; int64_t a, b; a=SAFE_INT64_MIN; b=-1; EXPECT_FALSE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_long() { int r=1; long a, b; a=LONG_MIN; b=-1; EXPECT_FALSE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_longlong() { int r=1; long long a, b; a=LLONG_MIN; b=-1LL; EXPECT_FALSE(safe_div(NULL, a, b)); a=100LL; b=0LL; EXPECT_FALSE(safe_div(NULL, a, b)); a=10LL; b=2LL; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_ssizet() { int r=1; ssize_t a, b; a=SSIZE_MIN; b=-1; EXPECT_FALSE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_u8() { int r=1; uint8_t a, b; a=0; b=UCHAR_MAX; EXPECT_TRUE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_u16() { int r=1; uint16_t a, b; a=0; b=USHRT_MAX; EXPECT_TRUE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_u32() { int r=1; uint32_t a, b; a=0; b=UINT_MAX; EXPECT_TRUE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_u64() { int r=1; uint64_t a, b; a=0; b=SAFE_INT64_MAX; EXPECT_TRUE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_ulong() { int r=1; unsigned long a, b; a=0; b=LONG_MAX; EXPECT_TRUE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_ulonglong() { int r=1; unsigned long long a, b; a=0ULL; b=~0ULL; EXPECT_TRUE(safe_div(NULL, a, b)); a=100ULL; b=0ULL; EXPECT_FALSE(safe_div(NULL, a, b)); a=10ULL; b=2ULL; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_div_sizet() { int r=1; size_t a, b; a=0; b=SIZE_MAX; EXPECT_TRUE(safe_div(NULL, a, b)); a=100; b=0; EXPECT_FALSE(safe_div(NULL, a, b)); a=10; b=2; EXPECT_TRUE(safe_div(NULL, a, b)); return r; } int T_magic_constants() { int r=1; EXPECT_TRUE(__sio(m)(smin)(((int8_t)0)) == SCHAR_MIN); EXPECT_TRUE(__sio(m)(smax)(((int8_t)0)) == SCHAR_MAX); EXPECT_TRUE(__sio(m)(umax)(((uint8_t)0)) == UCHAR_MAX); EXPECT_TRUE(__sio(m)(smin)(((int16_t)0)) == SHRT_MIN); EXPECT_TRUE(__sio(m)(smax)(((int16_t)0)) == SHRT_MAX); EXPECT_TRUE(__sio(m)(umax)(((uint16_t)0)) == USHRT_MAX); EXPECT_TRUE(__sio(m)(smin)(((int32_t)0)) == INT_MIN); EXPECT_TRUE(__sio(m)(smax)(((int32_t)0)) == INT_MAX); EXPECT_TRUE(__sio(m)(umax)(((uint32_t)0)) == UINT_MAX); EXPECT_TRUE(__sio(m)(smin)(((int64_t)0)) == SAFE_INT64_MIN); EXPECT_TRUE(__sio(m)(smax)(((int64_t)0)) == SAFE_INT64_MAX); EXPECT_TRUE(__sio(m)(umax)(((uint64_t)0)) == SAFE_UINT64_MAX); EXPECT_TRUE(__sio(m)(smin)(((ssize_t)0)) == SSIZE_MIN); EXPECT_TRUE(__sio(m)(smax)(((ssize_t)0)) == SSIZE_MAX); EXPECT_TRUE(__sio(m)(umax)(((size_t)0)) == SIZE_MAX); EXPECT_TRUE(__sio(m)(smin)(((long)0)) == LONG_MIN); EXPECT_TRUE(__sio(m)(smax)(((long)0)) == LONG_MAX); EXPECT_TRUE(__sio(m)(umax)(((unsigned long)0)) == ULONG_MAX); EXPECT_TRUE(__sio(m)(smin)(((long long)0)) == LLONG_MIN); EXPECT_TRUE(__sio(m)(smax)(((long long)0)) == LLONG_MAX); EXPECT_TRUE(__sio(m)(umax)(((unsigned long long)0)) == ULLONG_MAX); return r; } int main(int argc, char **argv) { /* test inlines */ int tests = 0, succ = 0, fail = 0; tests++; if (T_div_s8()) succ++; else fail++; tests++; if (T_div_s16()) succ++; else fail++; tests++; if (T_div_s32()) succ++; else fail++; tests++; if (T_div_s64()) succ++; else fail++; tests++; if (T_div_long()) succ++; else fail++; tests++; if (T_div_longlong()) succ++; else fail++; tests++; if (T_div_ssizet()) succ++; else fail++; tests++; if (T_div_u8()) succ++; else fail++; tests++; if (T_div_u16()) succ++; else fail++; tests++; if (T_div_u32()) succ++; else fail++; tests++; if (T_div_u64()) succ++; else fail++; tests++; if (T_div_ulong()) succ++; else fail++; tests++; if (T_div_ulonglong()) succ++; else fail++; tests++; if (T_div_sizet()) succ++; else fail++; tests++; if (T_mod_s8()) succ++; else fail++; tests++; if (T_mod_s16()) succ++; else fail++; tests++; if (T_mod_s32()) succ++; else fail++; tests++; if (T_mod_s64()) succ++; else fail++; tests++; if (T_mod_long()) succ++; else fail++; tests++; if (T_mod_longlong()) succ++; else fail++; tests++; if (T_mod_ssizet()) succ++; else fail++; tests++; if (T_mod_u8()) succ++; else fail++; tests++; if (T_mod_u16()) succ++; else fail++; tests++; if (T_mod_u32()) succ++; else fail++; tests++; if (T_mod_u64()) succ++; else fail++; tests++; if (T_mod_ulong()) succ++; else fail++; tests++; if (T_mod_ulonglong()) succ++; else fail++; tests++; if (T_mod_sizet()) succ++; else fail++; tests++; if (T_mul_s8()) succ++; else fail++; tests++; if (T_mul_s16()) succ++; else fail++; tests++; if (T_mul_s32()) succ++; else fail++; tests++; if (T_mul_s64()) succ++; else fail++; tests++; if (T_mul_long()) succ++; else fail++; tests++; if (T_mul_longlong()) succ++; else fail++; tests++; if (T_mul_ssizet()) succ++; else fail++; tests++; if (T_mul_u8()) succ++; else fail++; tests++; if (T_mul_u16()) succ++; else fail++; tests++; if (T_mul_u32()) succ++; else fail++; tests++; if (T_mul_u64()) succ++; else fail++; tests++; if (T_mul_ulong()) succ++; else fail++; tests++; if (T_mul_ulonglong()) succ++; else fail++; tests++; if (T_mul_sizet()) succ++; else fail++; tests++; if (T_sub_s8()) succ++; else fail++; tests++; if (T_sub_s16()) succ++; else fail++; tests++; if (T_sub_s32()) succ++; else fail++; tests++; if (T_sub_s64()) succ++; else fail++; tests++; if (T_sub_long()) succ++; else fail++; tests++; if (T_sub_longlong()) succ++; else fail++; tests++; if (T_sub_ssizet()) succ++; else fail++; tests++; if (T_sub_u8()) succ++; else fail++; tests++; if (T_sub_u16()) succ++; else fail++; tests++; if (T_sub_u32()) succ++; else fail++; tests++; if (T_sub_u64()) succ++; else fail++; tests++; if (T_sub_ulong()) succ++; else fail++; tests++; if (T_sub_ulonglong()) succ++; else fail++; tests++; if (T_sub_sizet()) succ++; else fail++; tests++; if (T_add_s8()) succ++; else fail++; tests++; if (T_add_s16()) succ++; else fail++; tests++; if (T_add_s32()) succ++; else fail++; tests++; if (T_add_s64()) succ++; else fail++; tests++; if (T_add_long()) succ++; else fail++; tests++; if (T_add_longlong()) succ++; else fail++; tests++; if (T_add_ssizet()) succ++; else fail++; tests++; if (T_add_u8()) succ++; else fail++; tests++; if (T_add_u16()) succ++; else fail++; tests++; if (T_add_u32()) succ++; else fail++; tests++; if (T_add_u64()) succ++; else fail++; tests++; if (T_add_ulong()) succ++; else fail++; tests++; if (T_add_ulonglong()) succ++; else fail++; tests++; if (T_add_sizet()) succ++; else fail++; tests++; if (T_add_mixed()) succ++; else fail++; tests++; if (T_add_increment()) succ++; else fail++; tests++; if (T_magic_constants()) succ++; else fail++; printf("%d/%d expects succeeded (%d failures)\n", expect_succ, expect, expect_fail); printf("%d/%d tests succeeded (%d failures)\n", succ, tests, fail); /* TODO: Add tests for safe_iopf when upgraded */ return fail; } #endif