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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-26 17:41:15 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-27 15:17:00 -0300 |
| commit | 046625231a0397f1776eb353a4ec9ff142cd2f6b (patch) | |
| tree | 6ce7ab043539d2432b135bc61f39febb3a032039 /tools/perf/util/util.h | |
| parent | f5385650c02cd4373c4124c8a8fac3b5f9851e7f (diff) | |
| download | op-kernel-dev-046625231a0397f1776eb353a4ec9ff142cd2f6b.zip op-kernel-dev-046625231a0397f1776eb353a4ec9ff142cd2f6b.tar.gz | |
perf tools: Introduce zfree
For the frequent idiom of:
free(ptr);
ptr = NULL;
Make it expect a pointer to the pointer being freed, so that it becomes
clear at first sight that the variable being freed is being modified.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-pfw02ezuab37kha18wlut7ir@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/util.h')
| -rw-r--r-- | tools/perf/util/util.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 9a2c268..6995d66 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -186,6 +186,8 @@ static inline void *zalloc(size_t size) return calloc(1, size); } +#define zfree(ptr) ({ free(*ptr); *ptr = NULL; }) + static inline int has_extension(const char *filename, const char *ext) { size_t len = strlen(filename); |
