1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
============
Coding Style
============
- Use explicit ``!= NULL``, ``!= 0``, etc. This makes code easier to read
and remove warnings on some platform. Don't forget SPACES before and
after the comparison operator.
Examples:
BAD:
``if (a)``
BAD:
``if (a!=NULL)``
GOOD:
``if (a != NULL)``
GOOD:
``if (a != 0)``
- Put figure brackets ``{}`` even if you have only one operator
in ``if``, ``for``, etc. This also makes code easier to read and
saves a lot of time when you need to quickly change something.
Examples:
BAD:
.. line-block::
if (a != NULL)
message(G_LOG_LEVEL_MESSAGE, "Ko");
GOOD:
.. line-block::
if (a != NULL) {
message(G_LOG_LEVEL_MESSAGE, "Ok");
}
- Put SPACES before the opening round bracket and after the closing round
bracket with ``if``, ``for``, ``switch``, ``while``, etc. One more time,
it improves the readability of the code.
Examples:
BAD:
.. line-block::
if(a != NULL){
message(G_LOG_LEVEL_MESSAGE, "Ko");
}
GOOD:
.. line-block::
if (a != NULL) {
message(G_LOG_LEVEL_MESSAGE, "Ok");
}
- Limit line length to at most 100 characters.
- Check for memory leaks.
I recommend valgrind (http://valgrind.kde.org) utility with options:
--leak-check=yes
--show-reachable=yes
--num-callers=32
--suppressions=tests/valgrind/openssl.supp
GNU Emacs
=========
::
(defun lasso-c-mode ()
"C mode with adjusted defaults for use with Lasso."
(interactive)
(c-mode)
(c-set-style "K&R")
(setq tab-width 8)
(setq indent-tabs-mode t)
(setq c-basic-offset 8))
This will define the M-x lasso-c-mode command. It can be switched on
automatically in a given directory::
(setq auto-mode-alist (cons '("/usr/src/lasso.*/.*\\.[ch]$" . lasso-c-mode)
auto-mode-alist))
|