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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 1999-01-16 16:43:26 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 1999-01-16 16:43:26 +0000 |
| commit | db838bb85b280d924ff9967471871739c129ff73 (patch) | |
| tree | 4e24c495d7d31a07ed1376639f33476cba7c7068 /gcc | |
| parent | 9e3685d5f463193242bece7e381f467165adf66c (diff) | |
| download | gcc-db838bb85b280d924ff9967471871739c129ff73.zip gcc-db838bb85b280d924ff9967471871739c129ff73.tar.gz gcc-db838bb85b280d924ff9967471871739c129ff73.tar.bz2 | |
c-decl.c (duplicate_decls): If `warn_traditional'...
* c-decl.c (duplicate_decls): If `warn_traditional', warn when
a non-static function declaration follows a static one.
* invoke.texi (-Wtraditional): Document the extra check now done
by this flag.
From-SVN: r24703
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/c-decl.c | 10 | ||||
| -rw-r--r-- | gcc/invoke.texi | 6 |
3 files changed, 22 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a294f81..02e5d2c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (duplicate_decls): If `warn_traditional', warn when + a non-static function declaration follows a static one. + + * invoke.texi (-Wtraditional): Document the extra check now done + by this flag. + Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com) * pa.md (shadd): Create shadd insns, even if the result of the shift is diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 9066bea..7b3be83 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1,5 +1,5 @@ /* Process declarations and variables for C compiler. - Copyright (C) 1988, 92-97, 1998 Free Software Foundation, Inc. + Copyright (C) 1988, 92-98, 1999 Free Software Foundation, Inc. This file is part of GNU CC. @@ -1858,6 +1858,14 @@ duplicate_decls (newdecl, olddecl, different_binding_level) && !TREE_PUBLIC (newdecl)) warning_with_decl (newdecl, "static declaration for `%s' follows non-static"); + /* If warn_traditional, warn when a non-static function + declaration follows a static one. */ + if (warn_traditional + && TREE_CODE (olddecl) == FUNCTION_DECL + && !TREE_PUBLIC (olddecl) + && TREE_PUBLIC (newdecl)) + warning_with_decl (newdecl, "non-static declaration for `%s' follows static"); + /* Warn when const declaration follows a non-const declaration, but not for functions. */ if (TREE_CODE (olddecl) != FUNCTION_DECL diff --git a/gcc/invoke.texi b/gcc/invoke.texi index 52291d3..72a3e47 100644 --- a/gcc/invoke.texi +++ b/gcc/invoke.texi @@ -1,4 +1,4 @@ -@c Copyright (C) 1988,89,92,93,94,95,96,97,98,1999 Free Software Foundation, Inc. +@c Copyright (C) 1988, 89, 92-98, 1999 Free Software Foundation, Inc. @c This is part of the GCC manual. @c For copying conditions, see the file gcc.texi. @@ -1548,6 +1548,10 @@ the block. @item A @code{switch} statement has an operand of type @code{long}. + +@item +A non-@code{static} function declaration follows a @code{static} one. +This construct is not accepted by some traditional C compilers. @end itemize @item -Wundef |