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Added a note in the "Tips and Pointer" section on the correct way to test for

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string equivalence with strcmp().
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Mark Whitley 2000-07-25 20:30:00 +00:00
parent fad9c1198a
commit 52681b48dc
1 changed files with 17 additions and 0 deletions
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docs/style-guide.txt
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@ -175,6 +175,23 @@ The following are simple coding guidelines that should be followed:
(Side Note: we might want to use a single file instead of two, food for
thought).
- There's a right way and a wrong way to test for sting equivalence with
strcmp:
The wrong way:
if (!strcmp(string, "foo")) {
...
The right way:
if (strcmp(string, "foo") == 0){
...
The use of the "equals" (==) operator in the latter example makes it much
more obvious that you are testing for equivalence. The former example with
the "not" (!) operator makes it look like you are testing for an error.
- Do not use old-style function declarations that declare variable types
between the parameter list and opening bracket. Example: