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Diffstat (limited to 'gcc/doc/extend.texi')
| -rw-r--r-- | gcc/doc/extend.texi | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index f013057..c81092d 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -22397,10 +22397,14 @@ bit-fields. See the Solaris man page for @code{cmn_err} for more information. @node Darwin Format Checks @subsection Darwin Format Checks -Darwin targets support the @code{CFString} (or @code{__CFString__}) in the format -attribute context. Declarations made with such attribution are parsed for correct syntax -and format argument types. However, parsing of the format string itself is currently undefined -and is not carried out by this version of the compiler. +In addition to the full set of format archetypes (attribute format style +arguments such as @code{printf}, @code{scanf}, @code{strftime}, and +@code{strfmon}), Darwin targets also support the @code{CFString} (or +@code{__CFString__}) archetype in the @code{format} attribute. +Declarations with this archetype are parsed for correct syntax +and argument types. However, parsing of the format string itself and +validating arguments against it in calls to such functions is currently +not performed. Additionally, @code{CFStringRefs} (defined by the @code{CoreFoundation} headers) may also be used as format arguments. Note that the relevant headers are only likely to be |