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author | Michael Brown | 2008-03-18 01:48:23 +0100 |
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committer | Michael Brown | 2008-03-18 01:48:23 +0100 |
commit | 5a08b434c7ddecb9cab0f8aedd9db679ca35395c (patch) | |
tree | 661b193f21aeaf89aafaf8d92d28ae39444f85aa /src/include/gpxe/settings.h | |
parent | Merge branch 'pxerom-pmm' (diff) | |
download | ipxe-5a08b434c7ddecb9cab0f8aedd9db679ca35395c.tar.gz ipxe-5a08b434c7ddecb9cab0f8aedd9db679ca35395c.tar.xz ipxe-5a08b434c7ddecb9cab0f8aedd9db679ca35395c.zip |
[Settings] show_setting() functions return snprintf()-style length.
show_setting() and related functions now return an "actual length" in the
style of snprintf(). This is to allow consumers to allocate buffers large
enough to hold the formatted setting.
Diffstat (limited to 'src/include/gpxe/settings.h')
-rw-r--r-- | src/include/gpxe/settings.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/include/gpxe/settings.h b/src/include/gpxe/settings.h index f30bbfbc..1b9c059b 100644 --- a/src/include/gpxe/settings.h +++ b/src/include/gpxe/settings.h @@ -48,7 +48,7 @@ struct config_setting_type { * @v setting Configuration setting * @v buf Buffer to contain value * @v len Length of buffer - * @ret rc Return status code + * @ret len Length of formatted value, or negative error */ int ( * show ) ( struct config_context *context, struct config_setting *setting, @@ -108,7 +108,7 @@ struct config_setting { * @v setting Configuration setting * @v buf Buffer to contain value * @v len Length of buffer - * @ret rc Return status code + * @ret len Length of formatted value, or negative error */ static inline int show_setting ( struct config_context *context, struct config_setting *setting, |