100 lines
3.7 KiB
Plaintext
100 lines
3.7 KiB
Plaintext
-------------------------------------------------------------------------------
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HACKING
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-------------------------------------------------------------------------------
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Coding style
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------------
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This project is programmed using the Linux kernel coding style, see
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http://lxr.linux.no/linux/Documentation/CodingStyle for details.
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Please use the same style for any code contributions, thanks!
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Contributions
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-------------
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- Patches should be sent to the development mailinglist at
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sigrok-devel@lists.sourceforge.net (please subscribe to the list first).
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https://lists.sourceforge.net/lists/listinfo/sigrok-devel
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- Alternatively, you can also clone the git repository and let us know
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from where to pull/review your changes. You can use gitorious.org,
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github.com, or any other public git hosting site.
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Random notes
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------------
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- Consistently use g_try_malloc() / g_try_malloc0(). Do not use standard
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malloc()/calloc() if it can be avoided (sometimes other libs such
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as libftdi can return malloc()'d memory, for example).
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- Always properly match allocations with the proper *free() functions. If
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glib's g_try_malloc()/g_try_malloc0() was used, use g_free() to free the
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memory. Otherwise use standard free(). Never use the wrong function!
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- Never use g_malloc() or g_malloc0(). These functions do not return NULL
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if not enough memory is available but rather lead to an exit() or segfault
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instead. This behaviour is not acceptable for libraries.
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Use g_try_malloc()/g_try_malloc0() instead and check the return value.
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- You should never print any messages (neither to stdout nor stderr nor
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elsewhere) "manually" via e.g. printf() or g_log() or similar functions.
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Only sr_err()/sr_warn()/sr_info()/sr_dbg()/sr_spew() should be used.
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- Use glib's gboolean / TRUE / FALSE for boolean types consistently.
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Do not use <stdbool.h> and its true / false, and do not invent private
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definitions for this either.
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- Consistently use the same naming convention for #include guards in headers:
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<PROJECTNAME>_<PATH_TO_FILE>_<FILE>
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This ensures that all #include guards are always unique and consistent.
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Examples: LIBSIGROK_LIBSIGROK_H, LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
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- Consistently use the same naming convention for API functions:
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<libprefix>_<groupname>_<action>().
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Examples:
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sr_log_loglevel_set(), sr_log_loglevel_get(), sr_log_handler_set(),
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sr_log_handler_set_default(), and so on.
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Or:
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sr_session_new(), sr_session_destroy(), sr_session_load(), and so on.
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Getter/setter function names should usually end with "_get" or "_set".
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Functions creating new "objects" should end with "_new".
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Functions destroying "objects" should end with "_destroy".
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Functions adding or removing items (e.g. from lists) should end with
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either "_add" or "_remove".
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Functions operating on all items from a list (not on only one of them),
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should end with "_all", e.g. "_remove_all", "_get_all", and so on.
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Use "_remove_all" in favor of "_clear" for consistency.
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Doxygen
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-------
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- In Doxygen comments, put an empty line between the block of @param lines
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and the final @return line. The @param lines themselves (if there is more
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than one) are not separated by empty lines.
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- Mark private functions (SR_PRIV) with /** @private */, so that Doxygen
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doesn't include them in the output. Functions that are "static" anyway
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don't need to be marked like this.
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- Mark private variables/#defines with /** @cond PRIVATE */ and
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/** @endcond */, so that Doxygen doesn't include them in the output.
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Variables that are "static" don't need to be marked like this.
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Release engineering
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-------------------
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See
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http://sigrok.org/wiki/Developers/Release_process
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for a list of items that need to be done when releasing a new tarball.
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