Common-Sense C: Advice and Warnings for C and C Programmers by Paul Conte

By Paul Conte


Show description

Read or Download Common-Sense C: Advice and Warnings for C and C Programmers PDF

Best c & c++ books

Mastering Asp.Net with Visual C#

ASP. web is Microsoft's new know-how for constructing complicated, interactive internet purposes. This finished consultant takes C# programmers via all of the steps of constructing internet purposes that leverage the entire strength of the . web applied sciences. It comprises in-depth insurance of server-side programming with ASP.

Practical C++ Programming, Second Edition

C++ is a strong, hugely versatile, and adaptable programming language that permits software program engineers to prepare and method details quick and successfully. yet this high-level language is comparatively tough to grasp, whether you realize the c language. The second variation of useful C++ Programming is an entire advent to the C++ language for programmers who're studying C++.

C++ Toolkit for Engineers and Scientists

This booklet describes the layout, building, and use of a numerical research software program toolkit. it really is written in C+ +, model 2. zero, and makes crucial use of that language's Object-Oriented Programming (OOP) good points. Its improvement setting is the Borland overseas, Inc. , Borland C++ compiler, model five.

Additional resources for Common-Sense C: Advice and Warnings for C and C Programmers

Sample text

Meanwhile, your code can be readable and reliable. Give Me a Break As W. A. " C's switch statement could be the all-time award winner in the "stupid efficiency" category. The error in the following code fragment may be obvious outside the context of a larger program; but in real programs, such errors are easy to make and hard to find. switch (color) { case 1: printf("red\n"); case 2: printf("blue\n"); } Given this code, when color is 1, both "red" and "blue" are printed. The proper code is switch (color) { case 1: printf("red\n"); break; case 2: printf("blue\n"); } Of course, when you add another color, you'd better add another break after the second case.

I've found three "classes" of visibility adequate to define most variables and functions: * Local: visible only within a single function or nested block. * Share: visible in all functions in a file, but not outside the file. * Export: visible in all functions in a program (all files). Export visibility implies share visibility. The file that "exports" an object allocates its storage. You pick an appropriate one of these visibility classes when you define a variable. If a variable is local, you generally are done with your declarations for that object.

Fortunately, there's a very simple rule for business (and most other) programmers to follow: Never use the C switch statement. This stricture is not at all burdensome. As I indicated, most instances of C's switch should have a break after every case. 1. This solution has a compact, table-oriented layout and avoids the hazards of raw C. 1 - Coding an ELSEIF in C with Macros IF color EQ 1 THEN printf("red\n"); ELSEIF color EQ 2 THEN printf("blue\n"); ELSE printf("Invalid color\n"); ENDIF One Last Comment Most programmers know that "comments lie," which is why high-level languages should let you directly express what your program does rather than force you to comment unclear code.

Download PDF sample

Rated 4.86 of 5 – based on 26 votes
Category: C C