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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2010-03-16 18:05:21 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-17 11:32:29 +0100 |
| commit | a1d37d5285bcda07f9c0b80a2634ca20ab545297 (patch) | |
| tree | 5b6e5c861db7077d6fc954b3d37825751afd5a22 /tools/perf/util/util.h | |
| parent | e4713e93b125497e9ba44d93de1bd9d8e5ad8946 (diff) | |
| download | linux-3.10-a1d37d5285bcda07f9c0b80a2634ca20ab545297.tar.gz linux-3.10-a1d37d5285bcda07f9c0b80a2634ca20ab545297.tar.bz2 linux-3.10-a1d37d5285bcda07f9c0b80a2634ca20ab545297.zip | |
perf tools: Introduce xzalloc() for detecting out of memory conditions
Introducing xzalloc() which wrapping zalloc() for detecting out
of memory conditions.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100316220521.32050.85155.stgit@localhost6.localdomain6>
[ -v2: small cleanups in surrounding code ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/util.h')
| -rw-r--r-- | tools/perf/util/util.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 0f5b2a6f108..52701087ce0 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -295,6 +295,13 @@ extern void *xmemdupz(const void *data, size_t len); extern char *xstrndup(const char *str, size_t len); extern void *xrealloc(void *ptr, size_t size) __attribute__((weak)); +static inline void *xzalloc(size_t size) +{ + void *buf = xmalloc(size); + + return memset(buf, 0, size); +} + static inline void *zalloc(size_t size) { return calloc(1, size); @@ -309,6 +316,7 @@ static inline int has_extension(const char *filename, const char *ext) { size_t len = strlen(filename); size_t extlen = strlen(ext); + return len > extlen && !memcmp(filename + len - extlen, ext, extlen); } @@ -322,6 +330,7 @@ static inline int has_extension(const char *filename, const char *ext) #undef isalnum #undef tolower #undef toupper + extern unsigned char sane_ctype[256]; #define GIT_SPACE 0x01 #define GIT_DIGIT 0x02 |