diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/extend.texi | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index a9f659d..a224770 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -2047,7 +2047,8 @@ warnings are requested (using @option{-Wformat}), so there is no need to modify the header file @file{stdio.h}. In C99 mode, the functions @code{snprintf}, @code{vsnprintf}, @code{vscanf}, @code{vfscanf} and @code{vsscanf} are also checked. Except in strictly conforming C -standard modes, the X/Open function @code{strfmon} is also checked. +standard modes, the X/Open function @code{strfmon} is also checked as +are @code{printf_unlocked} and @code{fprintf_unlocked}. @xref{C Dialect Options,,Options Controlling C Dialect}. @item format_arg (@var{string-index}) @@ -4259,7 +4260,9 @@ v4si f (v4si a, v4si b, v4si c) @findex fabsl @findex ffs @findex fprintf +@findex fprintf_unlocked @findex fputs +@findex fputs_unlocked @findex imaxabs @findex index @findex labs @@ -4268,6 +4271,7 @@ v4si f (v4si a, v4si b, v4si c) @findex memcpy @findex memset @findex printf +@findex printf_unlocked @findex rindex @findex sin @findex sinf @@ -4315,8 +4319,9 @@ in. @code{_exit} is not recognized in strict ISO C mode (@option{-ansi}, strict C89 mode (@option{-ansi} or @option{-std=c89}). Outside strict ISO C mode, the functions @code{alloca}, @code{bcmp}, -@code{bzero}, @code{index}, @code{rindex} and @code{ffs} may be handled -as built-in functions. All these functions have corresponding versions +@code{bzero}, @code{index}, @code{rindex}, @code{ffs}, @code{fputs_unlocked}, +@code{printf_unlocked} and @code{fprintf_unlocked} may be handled as +built-in functions. All these functions have corresponding versions prefixed with @code{__builtin_}, which may be used even in strict C89 mode. |