By James O. Coplien
Assuming a backgound in C++ fundamentals, this booklet is helping programmers to strengthen their programming services via giving a suppose for the types and idioms of the language. The method is geared up round the abstractions that C++ helps: abstracts facts varieties, combining forms in inheritance. The ebook additionally explores idioms that thte middle of the C++ language doesn't help at once, corresponding to digital constructors, prototype items, and complex rubbish assortment recommendations.
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The SVID also states: This scheme works well with make; it allows make to be used to lint only the source files that have been modified since the last time the set of source files was checked with lint. Here is another method for use on nonSVID systems; this method only lints the changed modules, and does not check their intermodule references. c lint: $(SRC) lint $(LINTFLAGS) u $? lintall will also recheck for inconsistencies between modules, so it's wise to use this make entry periodically.
The only assumption is that the passes of lint are named lint1 and lint2 and that they're stored in the lint directory (see $L in the shell script). lint's second pass, lint2, will read this file to get a description of all the modules and use this information to check the intermodule references, that is, inconsistencies in definition or declaration between one module and another. Taking a cue from the C compiler, SVID versions of lint use o to specify the output file, the output being a lint library.
Then, just define the function type to be void and remove the expression from the return statement. " If "always ignored", it's pretty safe to remove the return expression. Look for functions that return (say) 1 if some error is detected, but if all goes well finish execution without returning any value. See also the earlier notes on lint comment / NOTREACHED /. • long assignment may lose accuracy The "may lose accuracy" message occurs when when assigning a long value to a variable that is, or might be, shorter.
Advanced C++: programming styles and idioms by James O. Coplien