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2017-02-28CODING_STYLE: Mention preferred comment formPeter Maydell1-0/+7
Our defacto coding style strongly prefers /* */ style comments over the single-line // style, and checkpatch enforces this, but we don't actually document this. Mention it in CODING_STYLE. Suggested-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-10-08CODING_STYLE: Fix a typo ("have" vs. "has")Jonathan Neuschäfer1-1/+1
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-08-10CODING_STYLE, checkpatch: update line length rulesPaolo Bonzini1-1/+7
Line lengths above 80 characters do exist. They are rare, but they happen from time to time. An ignored rule is worse than an exception to the rule, so do the latter. Some on the list expressed their preference for a soft limit that is slightly lower than 80 characters, to account for extra characters in unified diffs (including three-way diffs) and for email quoting. However, there was no consensus on this so keep the 80-character soft limit and add a hard limit at 90. Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-09CODING_STYLE: update mixed declaration rulesPaolo Bonzini1-4/+9
Mixed declarations do come in handy at the top of #ifdef blocks. Reluctantly allow this particular usage and suggest an alternative. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-08-15CODING_STYLE: Section about conditional statementGonglei1-0/+14
Yoda conditions lack readability, and QEMU has a strict compiler configuration for checking a common mistake like "if (dev = NULL)". Make it a written rule. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-27CODING_STYLE: Section about mixed declarationsEduardo Habkost1-0/+7
We had an unwritten rule about declarations having to be at beginning of blocks. Make it a written rule. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2012-04-07Replace Qemu by QEMU in internal documentationStefan Weil1-1/+1
The official spelling is QEMU. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-10CODING_STYLE: Clarify style for enum and function type namesPeter Maydell1-1/+2
Clarify that enum type names and function type names should follow the CamelCase style used for structured type names. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-07-29CODING_STYLE: explicitly allow braceless 'else if'Avi Kivity1-0/+4
It's already allowed by the example; there are about 1800 instances in the tree; and disallowing it would lead to if (a) { ... } else { if (b) { ... } else { if (c) { ... } else { if (d) { ... } else { ... } } } } instead of if (a) { ... } else if (b) { ... } else if (c) { ... } else if (d) { ... } else { ... } which is more readable. Acked-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-01-20checkpatch: adjust to QEMUismsBlue Swirl1-0/+3
Change checkpatch.pl for QEMU use: - Root directory detection - Forbid tabs - Indent at 4 spaces - Allow typedefs - Enforce brace use even for single statement blocks - Don't suggest nonexistent cleanup tools Mention the script in CODING_STYLE. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-10HACKING: add C type rulesBlue Swirl1-3/+0
Add C type rules, adapted from libvirt HACKING. Also include a description of special QEMU scalar types. Move typedef rule from CODING_STYLE rule 3 to HACKING rule 6 where it belongs. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-03-19CODING_STYLE: Reserve qemu_ prefix for library wrappersAvi Kivity1-0/+3
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-01Revert "Get rid of _t suffix"Anthony Liguori1-4/+8
In the very least, a change like this requires discussion on the list. The naming convention is goofy and it causes a massive merge problem. Something like this _must_ be presented on the list first so people can provide input and cope with it. This reverts commit 99a0949b720a0936da2052cb9a46db04ffc6db29. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-01Get rid of _t suffixmalc1-8/+4
Some not so obvious bits, slirp and Xen were left alone for the time being. Signed-off-by: malc <av1474@comtv.ru>
2009-04-07Remove potentially offensive humor.edgar_igl1-1/+1
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7014 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-05Document QEMU coding style (v2) (Avi Kivity)aliguori1-0/+78
With the help of some Limoncino I noted several aspects of the QEMU coding style, particularly where it differs from the Linux coding style as many contributors work on both projects. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6976 c046a42c-6fe2-441c-8c8c-71466251a162
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