return PTR_ERR(kirin_pcie->apb_sys_clk); kirin_pcie->pcie_aclk = devm_clk_get(dev, "pcie_aclk"); - if (IS_ERR(kirin_pcie->pcie_aclk)) - return PTR_ERR(kirin_pcie->pcie_aclk); - - return 0; + return PTR_ERR_OR_ZERO(kirin_pcie->pcie_aclk); }...
p =func1();if(IS_ERR(p)) {//IS_ERR()其实是在判断指针longerr =PTR_ERR(p);//再将指针转换成long errprintk(KERN_INFO"errno is %ld\n", err); }return0;// Non-zero return means that the module couldn't be loaded.}staticvoid__exithello_cleanup(void){printk(KERN_INFO"Cleaning up ...
return PTR_ERR_OR_ZERO(hwmon_dev); } static int __maybe_unused tmp103_suspend(struct device *dev) static int tmp103_suspend(struct device *dev) { struct regmap *regmap = dev_get_drvdata(dev); return regmap_update_bits(regmap, TMP103_CONF_REG, TMP103_CONF_SD_MASK, 0); } static...
union err_t err; memcpy(&err, &val, sizeof(val)); printf("int: %d\n", err.i); printf("long: %ld\n", err.l); printf("unsigned int: %u, 0x%08X\n", err.ui, err.ui); printf("unsigned long: %lu, 0x%08lX\n", err.ul, err.ul); printf("void *: %p\n", err.p); }...
Returns zero for errors. For more information, see IME Escapes. Returns Int32 If the method succeeds, it returns S_OK. If it fails, it returns an error code. Remarks The Escape method wraps a call to IME Escapes, which returns a 64-bit value (LRESULT) on 64-...
p0 = std::unique_ptr(new int { 1 }); std::unique_ptr p1 = std::unique_ptrptr 要比 std::shared_ptr 更实用,因为 std::unique_ptr 对对象的所有权是明确的,销毁时机也是明确的,可以很好地避免使用 new... = 0> explicit unique_ptr(pointer _Ptr) noexcept : _Mypair(_Zero_then_variadic_...
Note that /// this case is zero-valued so that values of this enum can be used as a diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td index 4825979a974d2..f9b447e85707d 100644 --- a/clang/include/clang/Basic/Attr.td +++ b/clang/include/clang...
errRepMap[v->ID()] = one; errRepMap[tau->ID()] = one*e1+one*e2;// vector valued fxn (1,1)FunctionPtr errTau = tauVecLT->evaluate(errRepMap,false); FunctionPtr errV = vVecLT->evaluate(errRepMap,false);try{boolxTauZero = errTau->x()->isZero();boolyTauZero = errTau->...
p0 = std::unique_ptr(new int { 1 }); std::unique_ptr p1 = std::unique_ptr = 0> explicit unique_ptr(pointer _Ptr) noexcept : _Mypair(_Zero_then_variadic_args_t{}, _Ptr)...最后,有关构造和赋值比较重要的是被删除的两个方法: unique_ptr(const unique_ptr&) = delete; unique_ptr...
UT_WARNINGMSG(("PNG: Truncating to ZERO length.\n")); png_error(png_ptr,"Premature end of buffer");return; }else{ UT_WARNINGMSG(("PNG: Truncating to %lu.\n", length)); } }memcpy(data, pBytes + p->iCurPos, length); p->iCurPos += length; ...