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| author | Tom Tromey <tromey@adacore.com> | 2019-02-26 14:39:01 -0700 |
|---|---|---|
| committer | Tom Tromey <tromey@adacore.com> | 2019-03-05 08:48:39 -0700 |
| commit | 18cb7c9f3add62ff598f0551a767af8aaa04b07e (patch) | |
| tree | 81fa217c13e517539762f3d2d0bd8a19bc3edbc4 /gdb | |
| parent | 093f70ccd3d8366de1faae3335bbe2eebd2a75d4 (diff) | |
| download | gdb-18cb7c9f3add62ff598f0551a767af8aaa04b07e.zip gdb-18cb7c9f3add62ff598f0551a767af8aaa04b07e.tar.gz gdb-18cb7c9f3add62ff598f0551a767af8aaa04b07e.tar.bz2 | |
Introduce ATTRIBUTE_UNUSED_RESULT and use it
This introduces the new ATTRIBUTE_UNUSED_RESULT define, and applies it
to gdb_argv::release.
gdb/ChangeLog
2019-03-05 Tom Tromey <tromey@adacore.com>
* utils.h (class gdb_argv) <release>: Add
ATTRIBUTE_UNUSED_RESULT.
* common/common-defs.h (ATTRIBUTE_UNUSED_RESULT): Define.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/common/common-defs.h | 6 | ||||
| -rw-r--r-- | gdb/utils.h | 2 |
3 files changed, 13 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 65a74cd..fae7ec0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2019-03-05 Tom Tromey <tromey@adacore.com> + + * utils.h (class gdb_argv) <release>: Add + ATTRIBUTE_UNUSED_RESULT. + * common/common-defs.h (ATTRIBUTE_UNUSED_RESULT): Define. + 2019-03-02 Eli Zaretskii <eliz@gnu.org> * xml-syscall.c (xml_list_syscalls_by_group): Drop 'struct' from diff --git a/gdb/common/common-defs.h b/gdb/common/common-defs.h index 732693d..6b1f004 100644 --- a/gdb/common/common-defs.h +++ b/gdb/common/common-defs.h @@ -93,6 +93,12 @@ #undef ATTRIBUTE_PRINTF #define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF +#if GCC_VERSION >= 3004 +#define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__)) +#else +#define ATTRIBUTE_UNUSED_RESULT +#endif + #include "libiberty.h" #include "pathmax.h" #include "gdb/signals.h" diff --git a/gdb/utils.h b/gdb/utils.h index 896feb9..9dbd638 100644 --- a/gdb/utils.h +++ b/gdb/utils.h @@ -188,7 +188,7 @@ public: /* Return the underlying array, transferring ownership to the caller. */ - char **release () + ATTRIBUTE_UNUSED_RESULT char **release () { char **result = m_argv; m_argv = NULL; |