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| author | Colin Walters <walters@verbum.org> | 2013-07-05 11:48:09 -0400 |
|---|---|---|
| committer | Colin Walters <walters@verbum.org> | 2013-07-05 11:48:09 -0400 |
| commit | e270f5379bd794391e9a8f1be7f9aa17f0d7dd97 (patch) | |
| tree | 916024aa14d54362d8a90256332dcf28b1d7281c /libgsystem.h | |
| parent | 8e11654015d91b62049315aa7f9a459d0ec2c82e (diff) | |
| download | libgsystem-e270f5379bd794391e9a8f1be7f9aa17f0d7dd97.tar.gz | |
Add gs_transfer_out_value() macro
A simple macro to help with out parameters.
Diffstat (limited to 'libgsystem.h')
| -rw-r--r-- | libgsystem.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libgsystem.h b/libgsystem.h index c7aea6c..60884b6 100644 --- a/libgsystem.h +++ b/libgsystem.h @@ -25,6 +25,14 @@ G_BEGIN_DECLS +#define gs_transfer_out_value(outp, srcp) G_STMT_START { \ + if (outp) \ + { \ + *(outp) = *(srcp); \ + *(srcp) = NULL; \ + } \ + } G_STMT_END; + #include <gsystem-console.h> #include <gsystem-file-utils.h> #include <gsystem-shutil.h> |