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* HACKING: added explanation for const_cast.

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Roland Illig 2004-09-19 15:45:54 +00:00
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@ -1,3 +1,7 @@
2004-09-19 Roland Illig <roland.illig@gmx.de>
* HACKING: added explanation for const_cast.
2004-09-17 Dmitry Alexeyev <dmi_a@qnx.org.ru>
* syntax/makefile.syntax.diff: adds define and ended keyrowrds

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HACKING
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@ -280,12 +280,22 @@ user callback in some widgets.
PROGRAMMING TIPS
================
(This list should be sorted alphabetically.)
const: For every function taking a string argument, decide whether you
(as a user of the function) would expect that the string is modi-
fied by the function. If not, declare the string argument as
"const char *". If your implementation needs to modify the string,
use g_strdup to create a local copy.
const_cast: We use many libraries that do not know about "const char *" and
thus declare their functions to require "char *". In cases where we
know the function does not modify the string, we can use the macro
const_cast(char *, string_var) instead of a simple (char *) string_var
to make the intent clear. In cases where we are not sure what the
function does with the string, we should use g_strdup to pass
dynamically allocated strings.
g_strlcpy: Whenever you use this function, be sure to add "glibcompat.h"
to the included headers. This is because in glib-1.2 there is
no such function.