X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=HACKING;h=36c6756faaccd9228019d84a17f5aee8eeec9f0b;hb=1f90599fa522afb9cfb9f603e2a27f89a6cb222f;hp=94064f8765a037073b7a309eebda21f4f5aa9a66;hpb=198182cc092b56a005e8990057bffb99794ec797;p=sigrok-cli.git diff --git a/HACKING b/HACKING index 94064f8..36c6756 100644 --- a/HACKING +++ b/HACKING @@ -15,31 +15,41 @@ Please use the same style for any code contributions, thanks! Contributions ------------- - - Patches should be sent to the development mailinglist at + - In order to contribute you should ideally clone the git repository and + let us know (preferably via IRC, or via the mailing list) from where to + pull/review your changes. You can use github.com, or any other public git + hosting site. + + - Alternatively, patches can be sent to the development mailinglist at sigrok-devel@lists.sourceforge.net (please subscribe to the list first). https://lists.sourceforge.net/lists/listinfo/sigrok-devel - - Alternatively, you can also clone the git repository and let us know - from where to pull/review your changes. You can use gitorious.org, - github.com, or any other public git hosting site. - Random notes ------------ - - Consistently use g_try_malloc() / g_try_malloc0(). Do not use standard + - Don't do variable declarations in compound statements, only at the + beginning of a function. + + - Generally avoid assigning values to variables at declaration time, + especially so for complex and/or run-time dependent values. + + - Consistently use g_*malloc() / g_*malloc0(). Do not use standard malloc()/calloc() if it can be avoided (sometimes other libs such as libftdi can return malloc()'d memory, for example). - Always properly match allocations with the proper *free() functions. If - glib's g_try_malloc()/g_try_malloc0() was used, use g_free() to free the + glib's g_*malloc()/g_*malloc0() was used, use g_free() to free the memory. Otherwise use standard free(). Never use the wrong function! - - Never use g_malloc() or g_malloc0(). These functions do not return NULL - if not enough memory is available but rather lead to an exit() or segfault - instead. This behaviour is not acceptable. - Use g_try_malloc()/g_try_malloc0() instead and check the return value. + - We assume that "small" memory allocations (< 1MB) will always succeed. + Thus, it's fine to use g_malloc() or g_malloc0() for allocations of + simple/small structs and such (instead of using g_try_malloc()), and + there's no need to check the return value. + + Do use g_try_malloc() or g_try_malloc0() for large (>= 1MB) allocations + and check the return value. - You should never print any messages (neither to stdout nor stderr nor elsewhere) "manually" via e.g. printf() or g_log() or similar functions.